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Re: [XFS on bad superblock] BUG: unable to handle kernel NULL pointer de

To: Dave Chinner <dchinner@xxxxxxxxxx>
Subject: Re: [XFS on bad superblock] BUG: unable to handle kernel NULL pointer dereference at 00000003
From: Fengguang Wu <fengguang.wu@xxxxxxxxx>
Date: Thu, 10 Oct 2013 14:23:13 +0800
Cc: Ben Myers <bpm@xxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <20131010005900.GE2025@xxxxxxxxxxxxxxxxx>
References: <20131009073910.GA387@localhost> <20131010005900.GE2025@xxxxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
Dave,

Here are the first oops chunks that show up in the 3.12-rc4 kernel
with only XFS build in. Attached is the kconfig and one full dmesg.

Hope there are more clues in them. I'll further test whether the
problems disappear if further disabling XFS..

     89 Oops: 0000 [#1]                                                         
                                                                83 Kernel panic 
- not syncing: Fatal exception in interrupt
     80 BUG: unable to handle kernel NULL pointer dereference at 00000004
     10 kernel BUG at fs/xfs/xfs_message.c:108!
     10 BUG: unable to handle kernel paging request at fffffff0
      7 BUG: unable to handle kernel paging request at ffffff04
      6 BUG: sleeping function called from invalid context at kernel/rwsem.c:20
      1 BUG: unable to handle kernel paging request at 00680074
      1 BUG: unable to handle kernel paging request at 004d0020
      1 BUG: kernel early hang without any printk output


dmesg-quantal-ant-7:20131010125821:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

BUG: kernel early hang without any printk output
Command line: hung_task_panic=1 rcutree.rcu_cpu_stall_timeout=100 
log_buf_len=8M ignore_loglevel debug sched_debug apic=debug dynamic_printk 
sysrq_always_enabled panic=10  prompt_ramdisk=0 console=ttyS0,115200 
console=tty0 vga=normal  root=/dev/ram0 rw 
link=/kernel-tests/run-queue/kvm/i386-randconfig-c4-0920-XFS/linus:master/.vmlinuz-d0e639c9e06d44e713170031fe05fb60ebe680af-20131010125518-599-ant
 branch=linus/master 
BOOT_IMAGE=/kernel/i386-randconfig-c4-0920-XFS/d0e639c9e06d44e713170031fe05fb60ebe680af/vmlinuz-3.12.0-rc4
 noapic nolapic nohz=off
Early hang kernel: vmlinuz-3.12.0-rc4 3.12.0-rc4 #2
Elapsed time: 35

dmesg-yocto-ant-10:20131010125836:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[   40.902518] end_request: I/O error, dev fd0, sector 0
[   41.345600] block nbd15: Attempted send on closed socket
[   41.346932] end_request: I/O error, dev nbd15, sector 0
[   41.362394] BUG: unable to handle kernel paging request at ffffff04
[   41.363790] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[   41.364392] *pdpt = 0000000001a44001 *pde = 0000000001a49067 *pte = 
0000000000000000 
[   41.364392] Oops: 0000 [#1] 
[   41.364392] CPU: 0 PID: 644 Comm: mount.sh Not tainted 3.12.0-rc4 #2
[   41.364392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.364392] task: ccd12360 ti: cec0a000 task.ti: ccf76000
[   41.364392] EIP: 0060:[<c1034419>] EFLAGS: 00000002 CPU: 0
[   41.364392] EIP is at pool_mayday_timeout+0x5f/0x9c
[   41.364392] EAX: ffffff00 EBX: c1931d50 ECX: ffffff00 EDX: ffffff04
[   41.364392] ESI: c10343ba EDI: cc43cad8 EBP: cec0bf94 ESP: cec0bf80
[   41.364392]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[   41.364392] CR0: 8005003b CR2: ffffff04 CR3: 0cf47000 CR4: 000006b0
[   41.364392] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[   41.364392] DR6: 00000000 DR7: 00000000
[   41.364392] Stack:
[   41.364392]  c1931d60 c14e558f 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[   41.364392]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[   41.364392]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[   41.364392] Call Trace:
[   41.364392]  [<c14e558f>] ? dgap_poll_handler+0x111/0x119
[   41.364392]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[   41.364392]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[   41.364392]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[   41.364392]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[   41.364392]  [<c1028f61>] __do_softirq+0x87/0x12b
[   41.364392]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[   41.364392]  <IRQ> 
[   41.364392]  [<c10290c4>] ? irq_exit+0x3a/0x48
[   41.364392]  [<c1002918>] ? do_IRQ+0x64/0x77
[   41.364392]  [<c164fcac>] ? common_interrupt+0x2c/0x31
[   41.364392]  [<c101d142>] ? arch_local_irq_enable+0x5/0xb
[   41.364392]  [<c101d2f0>] ? __do_page_fault+0x86/0x36a
[   41.364392]  [<c10ada3a>] ? __fd_install+0x2a/0x2f
[   41.364392]  [<c10ada59>] ? fd_install+0x1a/0x1d
[   41.364392]  [<c10a191b>] ? SyS_pipe2+0x6e/0x77
[   41.364392]  [<c101d673>] ? vmalloc_sync_all+0x9f/0x9f
[   41.364392]  [<c101d67b>] ? do_page_fault+0x8/0xa
[   41.364392]  [<c164f540>] ? error_code+0x58/0x60
[   41.364392]  [<c101d673>] ? vmalloc_sync_all+0x9f/0x9f
[   41.364392] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[   41.364392] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[   41.364392] CR2: 00000000ffffff04
[   41.364392] ---[ end trace b26aca70d2f43c35 ]---
[   41.364392] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-ant-14:20131010130839:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[   24.292219] end_request: I/O error, dev nbd3, sector 0
[   24.297812] block nbd4: Attempted send on closed socket
[   24.298331] end_request: I/O error, dev nbd4, sector 0
[   24.300201] BUG: unable to handle kernel NULL pointer dereference at 00000004
[   24.300583] IP: [<c103486e>] process_one_work+0x1a/0x1cc
[   24.300583] *pdpt = 000000000cf3f001 *pde = 0000000000000000 
[   24.300583] Oops: 0000 [#1] 
[   24.300583] CPU: 0 PID: 5 Comm: kworker/0:0H Not tainted 3.12.0-rc4 #2
[   24.300583] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.300583] task: cec44d80 ti: cec54000 task.ti: cec54000
[   24.300583] EIP: 0060:[<c103486e>] EFLAGS: 00000046 CPU: 0
[   24.300583] EIP is at process_one_work+0x1a/0x1cc
[   24.300583] EAX: 00000000 EBX: cec1b900 ECX: 00000000 EDX: 00000000
[   24.300583] ESI: cc13a658 EDI: c1931d50 EBP: cec55f54 ESP: cec55f3c
[   24.300583]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[   24.300583] CR0: 8005003b CR2: 0000005c CR3: 0cf00000 CR4: 000006b0
[   24.300583] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[   24.300583] DR6: 00000000 DR7: 00000000
[   24.300583] Stack:
[   24.300583]  00000000 00000000 00000000 cec1b900 c1931d50 cec1b918 cec55f70 
c1034d42
[   24.300583]  cec44d80 c1931d60 cec47eac cec1b900 c1034c20 cec55fac c103893f 
cec55f94
[   24.300583]  00000000 00000000 cec1b900 00000000 cec55f8c cec55f8c 00000000 
cec55f98
[   24.300583] Call Trace:
[   24.300583]  [<c1034d42>] worker_thread+0x122/0x1bd
[   24.300583]  [<c1034c20>] ? rescuer_thread+0x1df/0x1df
[   24.300583]  [<c103893f>] kthread+0x6d/0x72
[   24.300583]  [<c164f737>] ret_from_kernel_thread+0x1b/0x28
[   24.300583]  [<c10388d2>] ? init_completion+0x1d/0x1d
[   24.300583] Code: 83 f8 10 74 04 f3 90 b2 f5 89 d0 59 5b 5e 5f 5d c3 55 89 
e5 57 56 53 83 ec 0c 89 c3 89 d6 89 d0 e8 f3 eb ff ff 89 45 ec 8b 7b 24 <8b> 40 
04 8b 80 80 00 00 00 c1 e8 05 83 e0 01 88 45 e8 f6 43 2c
[   24.300583] EIP: [<c103486e>] process_one_work+0x1a/0x1cc SS:ESP 
0068:cec55f3c
[   24.300583] CR2: 0000000000000004
[   24.300583] ---[ end trace 392c35b62e9571cb ]---
[   24.300583] BUG: sleeping function called from invalid context at 
kernel/rwsem.c:20

dmesg-yocto-ant-15:20131010130603:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    4.527465] vhci_hcd: vhci_hub_status:208: changed 0
[   21.872550] block nbd12: Attempted send on closed socket
[   21.874269] end_request: I/O error, dev nbd12, sector 0
[   21.894054] BUG: unable to handle kernel NULL pointer dereference at 00000004
[   21.895306] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[   21.895938] *pdpt = 000000000c07c001 *pde = 0000000000000000 
[   21.895938] Oops: 0000 [#1] 
[   21.895938] CPU: 0 PID: 629 Comm: mount Not tainted 3.12.0-rc4 #2
[   21.895938] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.895938] task: cce490e0 ti: cec0a000 task.ti: ccf98000
[   21.895938] EIP: 0060:[<c1034419>] EFLAGS: 00000046 CPU: 0
[   21.895938] EIP is at pool_mayday_timeout+0x5f/0x9c
[   21.895938] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[   21.895938] ESI: c10343ba EDI: ccea37d8 EBP: cec0bf94 ESP: cec0bf80
[   21.895938]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[   21.895938] CR0: 8005003b CR2: 00000004 CR3: 0c1c4000 CR4: 000006b0
[   21.895938] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[   21.895938] DR6: 00000000 DR7: 00000000
[   21.895938] Stack:
[   21.895938]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[   21.895938]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[   21.895938]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[   21.895938] Call Trace:
[   21.895938]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[   21.895938]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[   21.895938]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[   21.895938]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[   21.895938]  [<c1028f61>] __do_softirq+0x87/0x12b
[   21.895938]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[   21.895938]  <IRQ> 
[   21.895938]  [<c10290c4>] ? irq_exit+0x3a/0x48
[   21.895938]  [<c1002918>] ? do_IRQ+0x64/0x77
[   21.895938]  [<c164fcac>] ? common_interrupt+0x2c/0x31
[   21.895938]  [<c11c310c>] ? strnlen+0xe/0x19
[   21.895938]  [<c11c0972>] ? string.isra.4+0x26/0x89
[   21.895938]  [<c11c1a04>] ? vsnprintf+0x14d/0x26b
[   21.895938]  [<c11c1db4>] ? snprintf+0x15/0x17
[   21.895938]  [<c1259214>] ? dev_vprintk_emit+0x48/0x145
[   21.895938]  [<c11b3d4d>] ? sg_scsi_ioctl+0x240/0x27c
[   21.895938]  [<c11b81e8>] ? cfq_get_queue.isra.97+0x160/0x1b1
[   21.895938]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[   21.895938]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[   21.895938]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[   21.895938]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[   21.895938]  [<c1259375>] ? __dev_printk+0x4d/0x58
[   21.895938]  [<c125944e>] ? dev_err+0x28/0x2a
[   21.895938]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[   21.895938]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[   21.895938]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[   21.895938]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[   21.895938]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[   21.895938]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[   21.895938]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[   21.895938]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[   21.895938]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[   21.895938]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[   21.895938]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[   21.895938]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[   21.895938]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[   21.895938]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[   21.895938]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[   21.895938]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[   21.895938]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[   21.895938]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[   21.895938]  [<c109db92>] ? mount_fs+0x55/0x123
[   21.895938]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[   21.895938]  [<c10b0434>] ? do_mount+0x647/0x768
[   21.895938]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[   21.895938]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[   21.895938]  [<c164f19c>] ? syscall_call+0x7/0xb
[   21.895938] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[   21.895938] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[   21.895938] CR2: 0000000000000004
[   21.895938] ---[ end trace 7045d50564704970 ]---
[   21.895938] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-ant-1:20131010130616:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[   23.589367] end_request: I/O error, dev nbd5, sector 0
[   23.597546] block nbd10: Attempted send on closed socket
[   23.598131] end_request: I/O error, dev nbd10, sector 0
[   23.604530] BUG: unable to handle kernel NULL pointer dereference at 00000004
[   23.605381] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[   23.607054] *pdpt = 000000000c612001 *pde = 0000000000000000 
[   23.607054] Oops: 0000 [#1] 
[   23.607054] CPU: 0 PID: 631 Comm: mount Not tainted 3.12.0-rc4 #2
[   23.607054] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.607054] task: ccd94d80 ti: cec0a000 task.ti: ccd8a000
[   23.607054] EIP: 0060:[<c1034419>] EFLAGS: 00000046 CPU: 0
[   23.607054] EIP is at pool_mayday_timeout+0x5f/0x9c
[   23.607054] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[   23.607054] ESI: cd7c603c EDI: cfff6954 EBP: cec0bf94 ESP: cec0bf80
[   23.607054]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[   23.607054] CR0: 8005003b CR2: 00000004 CR3: 0c4c9000 CR4: 000006b0
[   23.607054] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[   23.607054] DR6: 00000000 DR7: 00000000
[   23.607054] Stack:
[   23.607054]  c1931d60 cd7c603c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[   23.607054]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[   23.607054]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[   23.607054] Call Trace:
[   23.607054]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[   23.607054]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[   23.607054]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[   23.607054]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[   23.607054]  [<c1028f61>] __do_softirq+0x87/0x12b
[   23.607054]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[   23.607054]  <IRQ> 
[   23.607054]  [<c10290c4>] ? irq_exit+0x3a/0x48
[   23.607054]  [<c1002918>] ? do_IRQ+0x64/0x77
[   23.607054]  [<c164fcac>] ? common_interrupt+0x2c/0x31
[   23.607054]  [<c106d08a>] ? find_get_page+0x25/0x4f
[   23.607054]  [<c106d102>] ? filemap_fault+0x4e/0x2e4
[   23.607054]  [<c107fc9c>] ? __do_fault+0x87/0x301
[   23.607054]  [<c10825a5>] ? handle_mm_fault+0x2ee/0x881
[   23.607054]  [<c1094284>] ? kmem_cache_free+0x85/0x8e
[   23.607054]  [<c101d4e9>] ? __do_page_fault+0x27f/0x36a
[   23.607054]  [<c10af0d4>] ? mntput+0x1e/0x20
[   23.607054]  [<c10a1ecf>] ? final_putname+0x2d/0x30
[   23.607054]  [<c109464b>] ? kfree+0x19/0xbc
[   23.607054]  [<c10b05eb>] ? SyS_mount+0x96/0xa0
[   23.607054]  [<c10b05eb>] ? SyS_mount+0x96/0xa0
[   23.607054]  [<c101d673>] ? vmalloc_sync_all+0x9f/0x9f
[   23.607054]  [<c101d67b>] ? do_page_fault+0x8/0xa
[   23.607054]  [<c164f540>] ? error_code+0x58/0x60
[   23.607054]  [<c101d673>] ? vmalloc_sync_all+0x9f/0x9f
[   23.607054] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[   23.607054] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[   23.607054] CR2: 0000000000000004
[   23.607054] ---[ end trace 759b6b6e11245cce ]---
[   23.607054] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-ant-1:20131010130842:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[   21.881280] end_request: I/O error, dev nbd10, sector 0
[   21.890623] block nbd0: Attempted send on closed socket
[   21.891236] end_request: I/O error, dev nbd0, sector 0
[   21.899546] BUG: unable to handle kernel NULL pointer dereference at 00000004
[   21.900416] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[   21.902036] *pdpt = 000000000c1ca001 *pde = 0000000000000000 
[   21.902036] Oops: 0000 [#1] 
[   21.902036] CPU: 0 PID: 640 Comm: mount Not tainted 3.12.0-rc4 #2
[   21.902036] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.902036] task: cce94360 ti: cec0a000 task.ti: cc07a000
[   21.902036] EIP: 0060:[<c1034419>] EFLAGS: 00000002 CPU: 0
[   21.902036] EIP is at pool_mayday_timeout+0x5f/0x9c
[   21.902036] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000004
[   21.902036] ESI: c10343ba EDI: ccf1c7d8 EBP: cec0bf94 ESP: cec0bf80
[   21.902036]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[   21.902036] CR0: 8005003b CR2: 00000004 CR3: 0c10d000 CR4: 000006b0
[   21.902036] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[   21.902036] DR6: 00000000 DR7: 00000000
[   21.902036] Stack:
[   21.902036]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[   21.902036]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[   21.902036]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[   21.902036] Call Trace:
[   21.902036]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[   21.902036]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[   21.902036]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[   21.902036]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[   21.902036]  [<c1028f61>] __do_softirq+0x87/0x12b
[   21.902036]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[   21.902036]  <IRQ> 
[   21.902036]  [<c10290c4>] ? irq_exit+0x3a/0x48
[   21.902036]  [<c1002918>] ? do_IRQ+0x64/0x77
[   21.902036]  [<c164fcac>] ? common_interrupt+0x2c/0x31
[   21.902036]  [<c101d142>] ? arch_local_irq_enable+0x5/0xb
[   21.902036]  [<c101d2f0>] ? __do_page_fault+0x86/0x36a
[   21.902036]  [<c1094284>] ? kmem_cache_free+0x85/0x8e
[   21.902036]  [<c109fd96>] ? free_bprm+0x49/0x4c
[   21.902036]  [<c1094284>] ? kmem_cache_free+0x85/0x8e
[   21.902036]  [<c10a1ecf>] ? final_putname+0x2d/0x30
[   21.902036]  [<c103f543>] ? __might_sleep+0x33/0xcc
[   21.902036]  [<c164de67>] ? down_write+0x17/0x2e
[   21.902036]  [<c10861c5>] ? SyS_brk+0x10b/0x115
[   21.902036]  [<c101d673>] ? vmalloc_sync_all+0x9f/0x9f
[   21.902036]  [<c101d67b>] ? do_page_fault+0x8/0xa
[   21.902036]  [<c164f540>] ? error_code+0x58/0x60
[   21.902036]  [<c101d673>] ? vmalloc_sync_all+0x9f/0x9f
[   21.902036] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[   21.902036] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[   21.902036] CR2: 0000000000000004
[   21.902036] ---[ end trace 4cbe8a2533ee0191 ]---
[   21.902036] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-ant-1:20131010131218:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[   23.115990] end_request: I/O error, dev nbd8, sector 0
[   23.137990] block nbd2: Attempted send on closed socket
[   23.138851] end_request: I/O error, dev nbd2, sector 0
[   23.158052] BUG: unable to handle kernel NULL pointer dereference at 00000004
[   23.159302] IP: [<c103486e>] process_one_work+0x1a/0x1cc
[   23.159302] *pdpt = 000000000c47a001 *pde = 0000000000000000 
[   23.159302] Oops: 0000 [#1] 
[   23.159302] CPU: 0 PID: 5 Comm: kworker/0:0H Not tainted 3.12.0-rc4 #2
[   23.159302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.159302] task: cec44d80 ti: cec54000 task.ti: cec54000
[   23.159302] EIP: 0060:[<c103486e>] EFLAGS: 00000002 CPU: 0
[   23.159302] EIP is at process_one_work+0x1a/0x1cc
[   23.159302] EAX: 00000000 EBX: cec1b900 ECX: 00000000 EDX: 00000004
[   23.159302] ESI: cc66a718 EDI: c1931d50 EBP: cec55f54 ESP: cec55f3c
[   23.159302]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[   23.159302] CR0: 8005003b CR2: 0000005c CR3: 0cf13000 CR4: 000006b0
[   23.159302] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[   23.159302] DR6: 00000000 DR7: 00000000
[   23.159302] Stack:
[   23.159302]  00000000 00000000 00000009 cec1b900 c1931d50 cec1b918 cec55f70 
c1034d42
[   23.159302]  cec44d80 c1931d60 cec47eac cec1b900 c1034c20 cec55fac c103893f 
cec55f94
[   23.159302]  00000000 00000000 cec1b900 00000000 cec55f8c cec55f8c 00000000 
cec55f98
[   23.159302] Call Trace:
[   23.159302]  [<c1034d42>] worker_thread+0x122/0x1bd
[   23.159302]  [<c1034c20>] ? rescuer_thread+0x1df/0x1df
[   23.159302]  [<c103893f>] kthread+0x6d/0x72
[   23.159302]  [<c164f737>] ret_from_kernel_thread+0x1b/0x28
[   23.159302]  [<c10388d2>] ? init_completion+0x1d/0x1d
[   23.159302] Code: 83 f8 10 74 04 f3 90 b2 f5 89 d0 59 5b 5e 5f 5d c3 55 89 
e5 57 56 53 83 ec 0c 89 c3 89 d6 89 d0 e8 f3 eb ff ff 89 45 ec 8b 7b 24 <8b> 40 
04 8b 80 80 00 00 00 c1 e8 05 83 e0 01 88 45 e8 f6 43 2c
[   23.159302] EIP: [<c103486e>] process_one_work+0x1a/0x1cc SS:ESP 
0068:cec55f3c
[   23.159302] CR2: 0000000000000004
[   23.159302] ---[ end trace a85c894793970dd6 ]---
[   23.159302] BUG: sleeping function called from invalid context at 
kernel/rwsem.c:20

dmesg-yocto-ant-2:20131010130725:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[   25.050705] end_request: I/O error, dev nbd2, sector 0
[   25.067925] block nbd1: Attempted send on closed socket
[   25.068705] end_request: I/O error, dev nbd1, sector 0
[   25.070816] BUG: unable to handle kernel NULL pointer dereference at 00000004
[   25.071900] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[   25.073057] *pdpt = 000000000c4ec001 *pde = 0000000000000000 
[   25.073057] Oops: 0000 [#1] 
[   25.073057] CPU: 0 PID: 627 Comm: mount Not tainted 3.12.0-rc4 #2
[   25.073057] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.073057] task: cc68a360 ti: cec0a000 task.ti: ccf9c000
[   25.073057] EIP: 0060:[<c1034419>] EFLAGS: 00000046 CPU: 0
[   25.073057] EIP is at pool_mayday_timeout+0x5f/0x9c
[   25.073057] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[   25.073057] ESI: c10343ba EDI: cc419dd8 EBP: cec0bf94 ESP: cec0bf80
[   25.073057]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[   25.073057] CR0: 8005003b CR2: 00000004 CR3: 0cffb000 CR4: 000006b0
[   25.073057] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[   25.073057] DR6: 00000000 DR7: 00000000
[   25.073057] Stack:
[   25.073057]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[   25.073057]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[   25.073057]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[   25.073057] Call Trace:
[   25.073057]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[   25.073057]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[   25.073057]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[   25.073057]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[   25.073057]  [<c1028f61>] __do_softirq+0x87/0x12b
[   25.073057]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[   25.073057]  <IRQ> 
[   25.073057]  [<c10290c4>] ? irq_exit+0x3a/0x48
[   25.073057]  [<c1002918>] ? do_IRQ+0x64/0x77
[   25.073057]  [<c164fcac>] ? common_interrupt+0x2c/0x31
[   25.073057]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[   25.073057]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[   25.073057]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[   25.073057]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[   25.073057]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[   25.073057]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[   25.073057]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[   25.073057]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[   25.073057]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[   25.073057]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[   25.073057]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[   25.073057]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[   25.073057]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[   25.073057]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[   25.073057]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[   25.073057]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[   25.073057]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[   25.073057]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[   25.073057]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[   25.073057]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[   25.073057]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[   25.073057]  [<c109db92>] ? mount_fs+0x55/0x123
[   25.073057]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[   25.073057]  [<c10b0434>] ? do_mount+0x647/0x768
[   25.073057]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[   25.073057]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[   25.073057]  [<c164f19c>] ? syscall_call+0x7/0xb
[   25.073057] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[   25.073057] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[   25.073057] CR2: 0000000000000004
[   25.073057] ---[ end trace 4146be653d5cf666 ]---
[   25.073057] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-ant-2:20131010131218:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    4.958067] NX-protecting the kernel data: 5820k
[   22.233009] block nbd14: Attempted send on closed socket
[   22.234223] end_request: I/O error, dev nbd14, sector 0
[   22.256192] BUG: unable to handle kernel NULL pointer dereference at 00000004
[   22.257916] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[   22.257916] *pdpt = 000000000cdce001 *pde = 0000000000000000 
[   22.257916] Oops: 0000 [#1] 
[   22.257916] CPU: 0 PID: 633 Comm: basename Not tainted 3.12.0-rc4 #2
[   22.257916] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.257916] task: ccd146c0 ti: cec0a000 task.ti: cc448000
[   22.257916] EIP: 0060:[<c1034419>] EFLAGS: 00000002 CPU: 0
[   22.257916] EIP is at pool_mayday_timeout+0x5f/0x9c
[   22.257916] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000004
[   22.257916] ESI: c10343ba EDI: ccf33e98 EBP: cec0bf94 ESP: cec0bf80
[   22.257916]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[   22.257916] CR0: 8005003b CR2: 00000004 CR3: 0ce3f000 CR4: 000006b0
[   22.257916] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[   22.257916] DR6: 00000000 DR7: 00000000
[   22.257916] Stack:
[   22.257916]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[   22.257916]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[   22.257916]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[   22.257916] Call Trace:
[   22.257916]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[   22.257916]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[   22.257916]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[   22.257916]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[   22.257916]  [<c1028f61>] __do_softirq+0x87/0x12b
[   22.257916]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[   22.257916]  <IRQ> 
[   22.257916]  [<c10290c4>] ? irq_exit+0x3a/0x48
[   22.257916]  [<c1002918>] ? do_IRQ+0x64/0x77
[   22.257916]  [<c164fcac>] ? common_interrupt+0x2c/0x31
[   22.257916]  [<c108514d>] ? __split_vma.isra.29+0x34/0x106
[   22.257916]  [<c1085a7f>] ? do_munmap+0x98/0x1fd
[   22.257916]  [<c103f543>] ? __might_sleep+0x33/0xcc
[   22.257916]  [<c1085c13>] ? vm_munmap+0x2f/0x40
[   22.257916]  [<c10ce2de>] ? load_elf_binary+0x80b/0xb84
[   22.257916]  [<c10a0068>] ? search_binary_handler+0x65/0xbe
[   22.257916]  [<c10a0421>] ? do_execve+0x360/0x4c5
[   22.257916]  [<c10a0735>] ? SyS_execve+0x2c/0x3c
[   22.257916]  [<c164f19c>] ? syscall_call+0x7/0xb
[   22.257916] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[   22.257916] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[   22.257916] CR2: 0000000000000004
[   22.257916] ---[ end trace c61f5a712471b80f ]---
[   22.257916] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-ant-5:20131010130238:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[   30.531230] end_request: I/O error, dev fd0, sector 0
[   30.688348] block nbd11: Attempted send on closed socket
[   30.690061] end_request: I/O error, dev nbd11, sector 0
[   30.707736] BUG: unable to handle kernel paging request at ffffff04
[   30.709095] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[   30.709723] *pdpt = 0000000001a44001 *pde = 0000000001a49067 *pte = 
0000000000000000 
[   30.709723] Oops: 0000 [#1] 
[   30.709723] CPU: 0 PID: 619 Comm: mount Not tainted 3.12.0-rc4 #2
[   30.709723] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.709723] task: cc669b00 ti: cec0a000 task.ti: cc488000
[   30.709723] EIP: 0060:[<c1034419>] EFLAGS: 00000002 CPU: 0
[   30.709723] EIP is at pool_mayday_timeout+0x5f/0x9c
[   30.709723] EAX: ffffff00 EBX: c1931d50 ECX: ffffff00 EDX: ffffff04
[   30.709723] ESI: c10343ba EDI: cc538118 EBP: cec0bf94 ESP: cec0bf80
[   30.709723]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[   30.709723] CR0: 8005003b CR2: ffffff04 CR3: 0cd53000 CR4: 000006b0
[   30.709723] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[   30.709723] DR6: 00000000 DR7: 00000000
[   30.709723] Stack:
[   30.709723]  c1931d60 c14e558f 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[   30.709723]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[   30.709723]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[   30.709723] Call Trace:
[   30.709723]  [<c14e558f>] ? dgap_poll_handler+0x111/0x119
[   30.709723]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[   30.709723]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[   30.709723]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[   30.709723]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[   30.709723]  [<c1028f61>] __do_softirq+0x87/0x12b
[   30.709723]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[   30.709723]  <IRQ> 
[   30.709723]  [<c10290c4>] ? irq_exit+0x3a/0x48
[   30.709723]  [<c1002918>] ? do_IRQ+0x64/0x77
[   30.709723]  [<c164fcac>] ? common_interrupt+0x2c/0x31
[   30.709723]  [<c11057a3>] ? xfs_free_buftarg+0x11/0x34
[   30.709723]  [<c1114baf>] ? xfs_close_devices+0x50/0x54
[   30.709723]  [<c11155a2>] ? xfs_fs_fill_super+0x265/0x29f
[   30.709723]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[   30.709723]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[   30.709723]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[   30.709723]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[   30.709723]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[   30.709723]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[   30.709723]  [<c109db92>] ? mount_fs+0x55/0x123
[   30.709723]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[   30.709723]  [<c10b0434>] ? do_mount+0x647/0x768
[   30.709723]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[   30.709723]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[   30.709723]  [<c164f19c>] ? syscall_call+0x7/0xb
[   30.709723] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[   30.709723] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[   30.709723] CR2: 00000000ffffff04
[   30.709723] ---[ end trace 5c51ed628828e020 ]---
[   30.709723] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-ant-6:20131010130046:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    4.750844] NX-protecting the kernel data: 5820k
[   24.803079] block nbd0: Attempted send on closed socket
[   24.804747] end_request: I/O error, dev nbd0, sector 0
[   24.825813] BUG: unable to handle kernel paging request at ffffff04
[   24.826973] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[   24.827846] *pdpt = 0000000001a44001 *pde = 0000000001a49067 *pte = 
0000000000000000 
[   24.827846] Oops: 0000 [#1] 
[   24.827846] CPU: 0 PID: 628 Comm: mount Not tainted 3.12.0-rc4 #2
[   24.827846] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.827846] task: cc14f0e0 ti: cec0a000 task.ti: cc150000
[   24.827846] EIP: 0060:[<c1034419>] EFLAGS: 00000002 CPU: 0
[   24.827846] EIP is at pool_mayday_timeout+0x5f/0x9c
[   24.827846] EAX: ffffff00 EBX: c1931d50 ECX: ffffff00 EDX: ffffff04
[   24.827846] ESI: c10343ba EDI: ccd4ea18 EBP: cec0bf94 ESP: cec0bf80
[   24.827846]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[   24.827846] CR0: 8005003b CR2: ffffff04 CR3: 0ce00000 CR4: 000006b0
[   24.827846] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[   24.827846] DR6: 00000000 DR7: 00000000
[   24.827846] Stack:
[   24.827846]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[   24.827846]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[   24.827846]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[   24.827846] Call Trace:
[   24.827846]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[   24.827846]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[   24.827846]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[   24.827846]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[   24.827846]  [<c1028f61>] __do_softirq+0x87/0x12b
[   24.827846]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[   24.827846]  <IRQ> 
[   24.827846]  [<c10290c4>] ? irq_exit+0x3a/0x48
[   24.827846]  [<c1002918>] ? do_IRQ+0x64/0x77
[   24.827846]  [<c164fcac>] ? common_interrupt+0x2c/0x31
[   24.827846]  [<c11c19e7>] ? vsnprintf+0x130/0x26b
[   24.827846]  [<c1038ac8>] ? kthread_create_on_node+0x78/0x97
[   24.827846]  [<c1034a41>] ? process_scheduled_works+0x21/0x21
[   24.827846]  [<c1036025>] ? __alloc_workqueue_key+0x1fb/0x2c4
[   24.827846]  [<c1034a41>] ? process_scheduled_works+0x21/0x21
[   24.827846]  [<c1114d95>] ? xfs_init_mount_workqueues+0x1e/0x135
[   24.827846]  [<c1115487>] ? xfs_fs_fill_super+0x14a/0x29f
[   24.827846]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[   24.827846]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[   24.827846]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[   24.827846]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[   24.827846]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[   24.827846]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[   24.827846]  [<c109db92>] ? mount_fs+0x55/0x123
[   24.827846]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[   24.827846]  [<c10b0434>] ? do_mount+0x647/0x768
[   24.827846]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[   24.827846]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[   24.827846]  [<c164f19c>] ? syscall_call+0x7/0xb
[   24.827846] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[   24.827846] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[   24.827846] CR2: 00000000ffffff04
[   24.827846] ---[ end trace ae40cea9c19b8b7d ]---
[   24.827846] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-ant-6:20131010130735:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[   23.717706] end_request: I/O error, dev nbd4, sector 0
[   23.719745] block nbd15: Attempted send on closed socket
[   23.720258] end_request: I/O error, dev nbd15, sector 0
[   23.722451] BUG: unable to handle kernel NULL pointer dereference at 00000004
[   23.723582] IP: [<c103486e>] process_one_work+0x1a/0x1cc
[   23.724693] *pdpt = 000000000c6b6001 *pde = 0000000000000000 
[   23.724693] Oops: 0000 [#1] 
[   23.724693] CPU: 0 PID: 5 Comm: kworker/0:0H Not tainted 3.12.0-rc4 #2
[   23.724693] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.724693] task: cec44d80 ti: cec54000 task.ti: cec54000
[   23.724693] EIP: 0060:[<c103486e>] EFLAGS: 00000046 CPU: 0
[   23.724693] EIP is at process_one_work+0x1a/0x1cc
[   23.724693] EAX: 00000000 EBX: cec1b900 ECX: 00000000 EDX: 00000000
[   23.724693] ESI: cc4f4f58 EDI: c1931d50 EBP: cec55f54 ESP: cec55f3c
[   23.724693]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[   23.724693] CR0: 8005003b CR2: 0000005c CR3: 0c457000 CR4: 000006b0
[   23.724693] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[   23.724693] DR6: 00000000 DR7: 00000000
[   23.724693] Stack:
[   23.724693]  00000000 00000000 00000000 cec1b900 c1931d50 cec1b918 cec55f70 
c1034d42
[   23.724693]  cec44d80 c1931d60 cec47eac cec1b900 c1034c20 cec55fac c103893f 
cec55f94
[   23.724693]  00000000 00000000 cec1b900 00000000 cec55f8c cec55f8c 00000000 
cec55f98
[   23.724693] Call Trace:
[   23.724693]  [<c1034d42>] worker_thread+0x122/0x1bd
[   23.724693]  [<c1034c20>] ? rescuer_thread+0x1df/0x1df
[   23.724693]  [<c103893f>] kthread+0x6d/0x72
[   23.724693]  [<c164f737>] ret_from_kernel_thread+0x1b/0x28
[   23.724693]  [<c10388d2>] ? init_completion+0x1d/0x1d
[   23.724693] Code: 83 f8 10 74 04 f3 90 b2 f5 89 d0 59 5b 5e 5f 5d c3 55 89 
e5 57 56 53 83 ec 0c 89 c3 89 d6 89 d0 e8 f3 eb ff ff 89 45 ec 8b 7b 24 <8b> 40 
04 8b 80 80 00 00 00 c1 e8 05 83 e0 01 88 45 e8 f6 43 2c
[   23.724693] EIP: [<c103486e>] process_one_work+0x1a/0x1cc SS:ESP 
0068:cec55f3c
[   23.724693] CR2: 0000000000000004
[   23.724693] ---[ end trace 435977a4ba6cac3b ]---
[   23.724693] BUG: sleeping function called from invalid context at 
kernel/rwsem.c:20

dmesg-yocto-ant-7:20131010130828:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    5.723139] NX-protecting the kernel data: 5820k
[   27.514570] block nbd7: Attempted send on closed socket
[   27.515695] end_request: I/O error, dev nbd7, sector 0
[   27.534222] BUG: unable to handle kernel paging request at ffffff04
[   27.535174] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[   27.536313] *pdpt = 0000000001a44001 *pde = 0000000001a49067 *pte = 
0000000000000000 
[   27.536313] Oops: 0000 [#1] 
[   27.536313] CPU: 0 PID: 312 Comm: udevadm Not tainted 3.12.0-rc4 #2
[   27.536313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.536313] task: c06550e0 ti: cec0a000 task.ti: c03b0000
[   27.536313] EIP: 0060:[<c1034419>] EFLAGS: 00000002 CPU: 0
[   27.536313] EIP is at pool_mayday_timeout+0x5f/0x9c
[   27.536313] EAX: ffffff00 EBX: c1931d50 ECX: ffffff00 EDX: ffffff04
[   27.536313] ESI: c10343ba EDI: c0fe1dd8 EBP: cec0bf94 ESP: cec0bf80
[   27.536313]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[   27.536313] CR0: 8005003b CR2: ffffff04 CR3: 00642000 CR4: 000006b0
[   27.536313] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[   27.536313] DR6: 00000000 DR7: 00000000
[   27.536313] Stack:
[   27.536313]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[   27.536313]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[   27.536313]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[   27.536313] Call Trace:
[   27.536313]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[   27.536313]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[   27.536313]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[   27.536313]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[   27.536313]  [<c1028f61>] __do_softirq+0x87/0x12b
[   27.536313]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[   27.536313]  <IRQ> 
[   27.536313]  [<c10290c4>] ? irq_exit+0x3a/0x48
[   27.536313]  [<c1002918>] ? do_IRQ+0x64/0x77
[   27.536313]  [<c164fcac>] ? common_interrupt+0x2c/0x31
[   27.536313] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[   27.536313] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[   27.536313] CR2: 00000000ffffff04
[   27.536313] ---[ end trace 0d931ab386deed2a ]---
[   27.536313] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-ant-7:20131010131012:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[   18.790923] end_request: I/O error, dev nbd13, sector 0
[   18.805227] block nbd2: Attempted send on closed socket
[   18.805889] end_request: I/O error, dev nbd2, sector 0
[   18.807736] BUG: unable to handle kernel paging request at ffffff04
[   18.808512] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[   18.809977] *pdpt = 0000000001a44001 *pde = 0000000001a49067 *pte = 
0000000000000000 
[   18.809977] Oops: 0000 [#1] 
[   18.809977] CPU: 0 PID: 627 Comm: mount Not tainted 3.12.0-rc4 #2
[   18.809977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.809977] task: ccd2a360 ti: cec0a000 task.ti: cc4a8000
[   18.809977] EIP: 0060:[<c1034419>] EFLAGS: 00000002 CPU: 0
[   18.809977] EIP is at pool_mayday_timeout+0x5f/0x9c
[   18.809977] EAX: ffffff00 EBX: c1931d50 ECX: ffffff00 EDX: ffffff04
[   18.809977] ESI: c10343ba EDI: cccdc598 EBP: cec0bf94 ESP: cec0bf80
[   18.809977]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[   18.809977] CR0: 8005003b CR2: ffffff04 CR3: 0c45d000 CR4: 000006b0
[   18.809977] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[   18.809977] DR6: 00000000 DR7: 00000000
[   18.809977] Stack:
[   18.809977]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[   18.809977]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[   18.809977]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[   18.809977] Call Trace:
[   18.809977]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[   18.809977]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[   18.809977]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[   18.809977]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[   18.809977]  [<c1028f61>] __do_softirq+0x87/0x12b
[   18.809977]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[   18.809977]  <IRQ> 
[   18.809977]  [<c10290c4>] ? irq_exit+0x3a/0x48
[   18.809977]  [<c1002918>] ? do_IRQ+0x64/0x77
[   18.809977]  [<c164fcac>] ? common_interrupt+0x2c/0x31
[   18.809977]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[   18.809977]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[   18.809977]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[   18.809977]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[   18.809977]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[   18.809977]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[   18.809977]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[   18.809977]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[   18.809977]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[   18.809977]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[   18.809977]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[   18.809977]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[   18.809977]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[   18.809977]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[   18.809977]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[   18.809977]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[   18.809977]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[   18.809977]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[   18.809977]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[   18.809977]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[   18.809977]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[   18.809977]  [<c109db92>] ? mount_fs+0x55/0x123
[   18.809977]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[   18.809977]  [<c10b0434>] ? do_mount+0x647/0x768
[   18.809977]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[   18.809977]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[   18.809977]  [<c164f19c>] ? syscall_call+0x7/0xb
[   18.809977] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[   18.809977] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[   18.809977] CR2: 00000000ffffff04
[   18.809977] ---[ end trace 704d032b8e4a57b5 ]---
[   18.809977] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-ant-7:20131010131211:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[   22.547561] end_request: I/O error, dev fd0, sector 0
[   22.735810] block nbd13: Attempted send on closed socket
[   22.736994] end_request: I/O error, dev nbd13, sector 0
[   22.750812] BUG: unable to handle kernel paging request at ffffff04
[   22.751643] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[   22.753283] *pdpt = 0000000001a44001 *pde = 0000000001a49067 *pte = 
0000000000000000 
[   22.753283] Oops: 0000 [#1] 
[   22.753283] CPU: 0 PID: 645 Comm: mount.sh Not tainted 3.12.0-rc4 #2
[   22.753283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.753283] task: cc43e6c0 ti: cec0a000 task.ti: cc5ac000
[   22.753283] EIP: 0060:[<c1034419>] EFLAGS: 00000002 CPU: 0
[   22.753283] EIP is at pool_mayday_timeout+0x5f/0x9c
[   22.753283] EAX: ffffff00 EBX: c1931d50 ECX: ffffff00 EDX: ffffff04
[   22.753283] ESI: c10343ba EDI: ccde2418 EBP: cec0bf94 ESP: cec0bf80
[   22.753283]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[   22.753283] CR0: 8005003b CR2: ffffff04 CR3: 0c5a2000 CR4: 000006b0
[   22.753283] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[   22.753283] DR6: 00000000 DR7: 00000000
[   22.753283] Stack:
[   22.753283]  c1931d60 c14e558f 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[   22.753283]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[   22.753283]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[   22.753283] Call Trace:
[   22.753283]  [<c14e558f>] ? dgap_poll_handler+0x111/0x119
[   22.753283]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[   22.753283]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[   22.753283]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[   22.753283]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[   22.753283]  [<c1028f61>] __do_softirq+0x87/0x12b
[   22.753283]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[   22.753283]  <IRQ> 
[   22.753283]  [<c10290c4>] ? irq_exit+0x3a/0x48
[   22.753283]  [<c1002918>] ? do_IRQ+0x64/0x77
[   22.753283]  [<c164fcac>] ? common_interrupt+0x2c/0x31
[   22.753283] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[   22.753283] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[   22.753283] CR2: 00000000ffffff04
[   22.753283] ---[ end trace 9a46d8a5110a4213 ]---
[   22.753283] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-10:20131010125740:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.499527] usbip-host 1-1:1.0: 1-1 is not in match_busid table... skip!
[    1.500996] XFS: Assertion failed: read && bp->b_ops, file: 
fs/xfs/xfs_buf.c, line: 1005
[    1.502677] ------------[ cut here ]------------
[    1.503480] kernel BUG at fs/xfs/xfs_message.c:108!
[    1.504313] invalid opcode: 0000 [#1] 
[    1.504313] CPU: 0 PID: 26 Comm: xfslogd Not tainted 3.12.0-rc4 #2
[    1.504313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.504313] Workqueue: xfslogd xfs_buf_iodone_work
[    1.504313] task: cd7770e0 ti: cd7d2000 task.ti: cd7d2000
[    1.504313] EIP: 0060:[<c1111d0d>] EFLAGS: 00010292 CPU: 0
[    1.504313] EIP is at assfail+0x12/0x14
[    1.504313] EAX: 00000065 EBX: cd7bd200 ECX: 00000000 EDX: c1932fa8
[    1.504313] ESI: cbc00458 EDI: cbc00400 EBP: cd7d3ef8 ESP: cd7d3ee4
[    1.504313]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[    1.504313] CR0: 8005003b CR2: bfd42f10 CR3: 0bcf7000 CR4: 000006b0
[    1.504313] Stack:
[    1.504313]  00000000 c1865d0a c1864ee7 c1864ca8 000003ed cd7d3f0c c1104d62 
cd7bd240
[    1.504313]  cbc00458 c1931d50 cd7d3f2c c103496f 00000000 cfff5800 00000000 
cd7bd240
[    1.504313]  cd7bd258 c1931d5c cd7d3f3c c1034a3b c1931d50 cd7bd240 cd7d3f70 
c1034b93
[    1.504313] Call Trace:
[    1.504313]  [<c1104d62>] xfs_buf_iodone_work+0x6e/0x7b
[    1.504313]  [<c103496f>] process_one_work+0x11b/0x1cc
[    1.504313]  [<c1034a3b>] process_scheduled_works+0x1b/0x21
[    1.504313]  [<c1034b93>] rescuer_thread+0x152/0x1df
[    1.504313]  [<c1034a41>] ? process_scheduled_works+0x21/0x21
[    1.504313]  [<c103893f>] kthread+0x6d/0x72
[    1.504313]  [<c164f737>] ret_from_kernel_thread+0x1b/0x28
[    1.504313]  [<c10388d2>] ? init_completion+0x1d/0x1d
[    1.504313] Code: e8 ee fe ff ff ba 64 00 00 00 b8 dc 5c 86 c1 e8 7b 4a f1 
ff 83 c4 14 c9 c3 55 89 e5 51 52 50 68 0a 5d 86 c1 6a 00 e8 20 fe ff ff <0f> 0b 
55 89 e5 6a 01 52 50 6a 01 6a 10 b9 01 00 00 00 ba f2 b2
[    1.504313] EIP: [<c1111d0d>] assfail+0x12/0x14 SS:ESP 0068:cd7d3ee4
[    1.537536] ---[ end trace 363e0d9325dd13a4 ]---
[    1.538427] BUG: unable to handle kernel paging request at fffffff0

dmesg-yocto-athens-10:20131010130337:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.493891] end_request: I/O error, dev nbd7, sector 0
[    1.494753] XFS: Assertion failed: read && bp->b_ops, file: 
fs/xfs/xfs_buf.c, line: 1005
[    1.496399] ------------[ cut here ]------------
[    1.497188] kernel BUG at fs/xfs/xfs_message.c:108!
[    1.497219] invalid opcode: 0000 [#1] 
[    1.497219] CPU: 0 PID: 26 Comm: xfslogd Not tainted 3.12.0-rc4 #2
[    1.497219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.497219] Workqueue: xfslogd xfs_buf_iodone_work
[    1.497219] task: cd7770e0 ti: cd7d2000 task.ti: cd7d2000
[    1.497219] EIP: 0060:[<c1111d0d>] EFLAGS: 00010292 CPU: 0
[    1.497219] EIP is at assfail+0x12/0x14
[    1.497219] EAX: 00000065 EBX: cd7bd200 ECX: 00000000 EDX: c1932fa8
[    1.497219] ESI: c0606f58 EDI: c0606f00 EBP: cd7d3ef8 ESP: cd7d3ee4
[    1.497219]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[    1.497219] CR0: 8005003b CR2: 08122e28 CR3: 0cc17000 CR4: 000006b0
[    1.497219] Stack:
[    1.497219]  00000000 c1865d0a c1864ee7 c1864ca8 000003ed cd7d3f0c c1104d62 
cd7bd240
[    1.497219]  c0606f58 c1931d50 cd7d3f2c c103496f 00000000 cfff5800 00000000 
cd7bd240
[    1.497219]  cd7bd258 c1931d5c cd7d3f3c c1034a3b c1931d50 cd7bd240 cd7d3f70 
c1034b93
[    1.497219] Call Trace:
[    1.497219]  [<c1104d62>] xfs_buf_iodone_work+0x6e/0x7b
[    1.497219]  [<c103496f>] process_one_work+0x11b/0x1cc
[    1.497219]  [<c1034a3b>] process_scheduled_works+0x1b/0x21
[    1.497219]  [<c1034b93>] rescuer_thread+0x152/0x1df
[    1.497219]  [<c1034a41>] ? process_scheduled_works+0x21/0x21
[    1.497219]  [<c103893f>] kthread+0x6d/0x72
[    1.497219]  [<c164f737>] ret_from_kernel_thread+0x1b/0x28
[    1.497219]  [<c10388d2>] ? init_completion+0x1d/0x1d
[    1.497219] Code: e8 ee fe ff ff ba 64 00 00 00 b8 dc 5c 86 c1 e8 7b 4a f1 
ff 83 c4 14 c9 c3 55 89 e5 51 52 50 68 0a 5d 86 c1 6a 00 e8 20 fe ff ff <0f> 0b 
55 89 e5 6a 01 52 50 6a 01 6a 10 b9 01 00 00 00 ba f2 b2
[    1.497219] EIP: [<c1111d0d>] assfail+0x12/0x14 SS:ESP 0068:cd7d3ee4
[    1.530243] ---[ end trace 7da9a64b9c9d2712 ]---
[    1.531053] BUG: unable to handle kernel paging request at fffffff0

dmesg-yocto-athens-10:20131010131308:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.477694] block nbd7: Attempted send on closed socket
[    1.478566] end_request: I/O error, dev nbd7, sector 0
[    1.479591] block nbd15: Attempted send on closed socket
[    1.480486] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.481706] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.482663] *pdpt = 000000000bc17001 *pde = 0000000000000000 
[    1.483711] Oops: 0000 [#1] 
[    1.483815] CPU: 0 PID: 671 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.483815] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.483815] task: ccef5440 ti: cec0a000 task.ti: cbc8e000
[    1.483815] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.483815] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.483815] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.483815] ESI: c10343ba EDI: cced4f58 EBP: cec0bf94 ESP: cec0bf80
[    1.483815]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.483815] CR0: 8005003b CR2: 00000004 CR3: 0bce1000 CR4: 000006b0
[    1.483815] Stack:
[    1.483815]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.483815]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.483815]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.483815] Call Trace:
[    1.483815]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.483815]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.483815]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.483815]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.483815]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.483815]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.483815]  <IRQ> 
[    1.483815]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.483815]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.483815]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.483815]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.483815]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.483815]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.483815]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.483815]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.483815]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.483815]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.483815]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.483815]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.483815]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.483815]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.483815]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.483815]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.483815]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.483815]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.483815]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.483815]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.483815]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.483815]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.483815]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.483815]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.483815]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.483815]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.483815]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.483815]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.483815]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.483815]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.483815]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.483815]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.483815]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.483815]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.483815]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.483815]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.483815] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.483815] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.483815] CR2: 0000000000000004
[    1.483815] ---[ end trace 887a7fcd505f40fe ]---
[    1.483815] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-11:20131010130753:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.445137] usb 1-1: Manufacturer: Linux 3.12.0-rc4 with dummy_udc
[    1.446305] block nbd14: Attempted send on closed socket
[    1.447170] end_request: I/O error, dev nbd14, sector 0
[    1.448027] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.449225] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.450174] *pdpt = 000000000c4c0001 *pde = 0000000000000000 
[    1.451209] Oops: 0000 [#1] 
[    1.451355] CPU: 0 PID: 650 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.451355] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.451355] task: cb80ca20 ti: cec0a000 task.ti: ccf50000
[    1.451355] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.451355] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.451355] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.451355] ESI: c10343ba EDI: ccfe0558 EBP: cec0bf94 ESP: cec0bf80
[    1.451355]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.451355] CR0: 8005003b CR2: 00000004 CR3: 0c70a000 CR4: 000006b0
[    1.451355] Stack:
[    1.451355]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.451355]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.451355]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.451355] Call Trace:
[    1.451355]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.451355]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.451355]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.451355]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.451355]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.451355]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.451355]  <IRQ> 
[    1.451355]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.451355]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.451355]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.451355]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.451355]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.451355]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.451355]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.451355]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.451355]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.451355]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.451355]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.451355]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.451355]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.451355]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.451355]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.451355]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.451355]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.451355]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.451355]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.451355]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.451355]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.451355]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.451355]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.451355]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.451355]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.451355]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.451355]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.451355]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.451355]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.451355]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.451355] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.451355] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.451355] CR2: 0000000000000004
[    1.451355] ---[ end trace 5d2de5fee2129a16 ]---
[    1.451355] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-12:20131010130716:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.462621] block nbd1: Attempted send on closed socket
[    1.463486] end_request: I/O error, dev nbd1, sector 0
[    1.464519] block nbd11: Attempted send on closed socket
[    1.465401] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.466614] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.467562] *pdpt = 000000000b8d5001 *pde = 0000000000000000 
[    1.468606] Oops: 0000 [#1] 
[    1.468728] CPU: 0 PID: 656 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.468728] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.468728] task: cc720d80 ti: cec0a000 task.ti: ccf82000
[    1.468728] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.468728] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.468728] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.468728] ESI: c10343ba EDI: ccdfd858 EBP: cec0bf94 ESP: cec0bf80
[    1.468728]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.468728] CR0: 8005003b CR2: 00000004 CR3: 0cf3e000 CR4: 000006b0
[    1.468728] Stack:
[    1.468728]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.468728]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.468728]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.468728] Call Trace:
[    1.468728]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.468728]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.468728]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.468728]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.468728]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.468728]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.468728]  <IRQ> 
[    1.468728]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.468728]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.468728]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.468728]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.468728]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.468728]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.468728]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.468728]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.468728]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.468728]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.468728]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.468728]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.468728]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.468728]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.468728]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.468728]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.468728]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.468728]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.468728]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.468728]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.468728]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.468728]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.468728]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.468728]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.468728]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.468728]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.468728]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.468728]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.468728]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.468728]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.468728]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.468728]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.468728]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.468728]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.468728]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.468728]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.468728] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.468728] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.468728] CR2: 0000000000000004
[    1.468728] ---[ end trace 7e832383de71a7f9 ]---
[    1.468728] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-13:20131010130752:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.480218] end_request: I/O error, dev nbd4, sector 0
[    1.481076] XFS: Assertion failed: read && bp->b_ops, file: 
fs/xfs/xfs_buf.c, line: 1005
[    1.482699] ------------[ cut here ]------------
[    1.483480] kernel BUG at fs/xfs/xfs_message.c:108!
[    1.483546] invalid opcode: 0000 [#1] 
[    1.483546] CPU: 0 PID: 26 Comm: xfslogd Not tainted 3.12.0-rc4 #2
[    1.483546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.483546] Workqueue: xfslogd xfs_buf_iodone_work
[    1.483546] task: cd7770e0 ti: cd7d2000 task.ti: cd7d2000
[    1.483546] EIP: 0060:[<c1111d0d>] EFLAGS: 00010292 CPU: 0
[    1.483546] EIP is at assfail+0x12/0x14
[    1.483546] EAX: 00000065 EBX: cd7bd200 ECX: 00000000 EDX: c1932fa8
[    1.483546] ESI: cd357c58 EDI: cd357c00 EBP: cd7d3ef8 ESP: cd7d3ee4
[    1.483546]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[    1.483546] CR0: 8005003b CR2: 08122e28 CR3: 0c88e000 CR4: 000006b0
[    1.483546] Stack:
[    1.483546]  00000000 c1865d0a c1864ee7 c1864ca8 000003ed cd7d3f0c c1104d62 
cd7bd240
[    1.483546]  cd357c58 c1931d50 cd7d3f2c c103496f 00000000 cfff5800 00000000 
cd7bd240
[    1.483546]  cd7bd258 c1931d5c cd7d3f3c c1034a3b c1931d50 cd7bd240 cd7d3f70 
c1034b93
[    1.483546] Call Trace:
[    1.483546]  [<c1104d62>] xfs_buf_iodone_work+0x6e/0x7b
[    1.483546]  [<c103496f>] process_one_work+0x11b/0x1cc
[    1.483546]  [<c1034a3b>] process_scheduled_works+0x1b/0x21
[    1.483546]  [<c1034b93>] rescuer_thread+0x152/0x1df
[    1.483546]  [<c1034a41>] ? process_scheduled_works+0x21/0x21
[    1.483546]  [<c103893f>] kthread+0x6d/0x72
[    1.483546]  [<c164f737>] ret_from_kernel_thread+0x1b/0x28
[    1.483546]  [<c10388d2>] ? init_completion+0x1d/0x1d
[    1.483546] Code: e8 ee fe ff ff ba 64 00 00 00 b8 dc 5c 86 c1 e8 7b 4a f1 
ff 83 c4 14 c9 c3 55 89 e5 51 52 50 68 0a 5d 86 c1 6a 00 e8 20 fe ff ff <0f> 0b 
55 89 e5 6a 01 52 50 6a 01 6a 10 b9 01 00 00 00 ba f2 b2
[    1.483546] EIP: [<c1111d0d>] assfail+0x12/0x14 SS:ESP 0068:cd7d3ee4
[    1.516614] ---[ end trace 82ed7c214eef8f49 ]---
[    1.517625] BUG: unable to handle kernel paging request at fffffff0

dmesg-yocto-athens-15:20131010125732:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.570395] usbip-host 1-1:1.0: Enter
[    1.571055] usbip-host 1-1:1.0: 1-1 is not in match_busid table... skip!
[    1.572795] block nbd4: Attempted send on closed socket
[    1.573679] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.574888] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.575819] *pdpt = 000000000bc8b001 *pde = 0000000000000000 
[    1.576837] Oops: 0000 [#1] 
[    1.577006] CPU: 0 PID: 659 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.577006] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.577006] task: ccef2d80 ti: cec0a000 task.ti: ccf8a000
[    1.577006] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.577006] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.577006] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.577006] ESI: c10343ba EDI: cc416c58 EBP: cec0bf94 ESP: cec0bf80
[    1.577006]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.577006] CR0: 8005003b CR2: 00000004 CR3: 0cf72000 CR4: 000006b0
[    1.577006] Stack:
[    1.577006]  c1931d60 cec7323c 00000100 c10343ba cd07c938 cec0bfa4 c102cd96 
c1a52700
[    1.577006]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.577006]  cd07c938 cd07c938 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.577006] Call Trace:
[    1.577006]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.577006]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.577006]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.577006]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.577006]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.577006]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.577006]  <IRQ> 
[    1.577006]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.577006]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.577006]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.577006]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.577006]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.577006]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.577006]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.577006]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.577006]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.577006]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.577006]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.577006]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.577006]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.577006]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.577006]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.577006]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.577006]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.577006]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.577006]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.577006]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.577006]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.577006]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.577006]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.577006]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.577006]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.577006]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.577006]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.577006]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.577006]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.577006]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.577006]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.577006]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.577006]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.577006]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.577006]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.577006]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.577006] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.577006] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.577006] CR2: 0000000000000004
[    1.577006] ---[ end trace 1e3091c65cdcdc90 ]---
[    1.577006] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-16:20131010125944:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.498362] end_request: I/O error, dev nbd4, sector 0
[    1.499243] XFS: Assertion failed: read && bp->b_ops, file: 
fs/xfs/xfs_buf.c, line: 1005
[    1.500937] ------------[ cut here ]------------
[    1.501730] kernel BUG at fs/xfs/xfs_message.c:108!
[    1.502562] invalid opcode: 0000 [#1] 
[    1.502562] CPU: 0 PID: 26 Comm: xfslogd Not tainted 3.12.0-rc4 #2
[    1.502562] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.502562] Workqueue: xfslogd xfs_buf_iodone_work
[    1.502562] task: cd7770e0 ti: cd7d2000 task.ti: cd7d2000
[    1.502562] EIP: 0060:[<c1111d0d>] EFLAGS: 00010292 CPU: 0
[    1.502562] EIP is at assfail+0x12/0x14
[    1.502562] EAX: 00000065 EBX: cd7bd200 ECX: 00000000 EDX: c1932fa8
[    1.502562] ESI: ccf0be58 EDI: ccf0be00 EBP: cd7d3ef8 ESP: cd7d3ee4
[    1.502562]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[    1.502562] CR0: 8005003b CR2: 08122e28 CR3: 0c5ef000 CR4: 000006b0
[    1.502562] Stack:
[    1.502562]  00000000 c1865d0a c1864ee7 c1864ca8 000003ed cd7d3f0c c1104d62 
cd7bd240
[    1.502562]  ccf0be58 c1931d50 cd7d3f2c c103496f 00000000 cfff5800 00000000 
cd7bd240
[    1.502562]  cd7bd258 c1931d5c cd7d3f3c c1034a3b c1931d50 cd7bd240 cd7d3f70 
c1034b93
[    1.502562] Call Trace:
[    1.502562]  [<c1104d62>] xfs_buf_iodone_work+0x6e/0x7b
[    1.502562]  [<c103496f>] process_one_work+0x11b/0x1cc
[    1.502562]  [<c1034a3b>] process_scheduled_works+0x1b/0x21
[    1.502562]  [<c1034b93>] rescuer_thread+0x152/0x1df
[    1.502562]  [<c1034a41>] ? process_scheduled_works+0x21/0x21
[    1.502562]  [<c103893f>] kthread+0x6d/0x72
[    1.502562]  [<c164f737>] ret_from_kernel_thread+0x1b/0x28
[    1.502562]  [<c10388d2>] ? init_completion+0x1d/0x1d
[    1.502562] Code: e8 ee fe ff ff ba 64 00 00 00 b8 dc 5c 86 c1 e8 7b 4a f1 
ff 83 c4 14 c9 c3 55 89 e5 51 52 50 68 0a 5d 86 c1 6a 00 e8 20 fe ff ff <0f> 0b 
55 89 e5 6a 01 52 50 6a 01 6a 10 b9 01 00 00 00 ba f2 b2
[    1.502562] EIP: [<c1111d0d>] assfail+0x12/0x14 SS:ESP 0068:cd7d3ee4
[    1.535295] ---[ end trace 58499499bf6f46e7 ]---
[    1.536157] BUG: unable to handle kernel paging request at fffffff0

dmesg-yocto-athens-16:20131010130247:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.484718] end_request: I/O error, dev nbd15, sector 0
[    1.485776] block nbd10: Attempted send on closed socket
[    1.486654] end_request: I/O error, dev nbd10, sector 0
[    1.487523] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.488742] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.489698] *pdpt = 000000000cdf1001 *pde = 0000000000000000 
[    1.490743] Oops: 0000 [#1] 
[    1.490852] CPU: 0 PID: 665 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.490852] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.490852] task: cbc85440 ti: cec0a000 task.ti: cbd1c000
[    1.490852] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.490852] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.490852] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.490852] ESI: c10343ba EDI: cc4ff458 EBP: cec0bf94 ESP: cec0bf80
[    1.490852]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.490852] CR0: 8005003b CR2: 00000004 CR3: 0cefc000 CR4: 000006b0
[    1.490852] Stack:
[    1.490852]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.490852]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.490852]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.490852] Call Trace:
[    1.490852]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.490852]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.490852]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.490852]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.490852]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.490852]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.490852]  <IRQ> 
[    1.490852]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.490852]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.490852]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.490852]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.490852]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.490852]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.490852]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.490852]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.490852]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.490852]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.490852]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.490852]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.490852]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.490852]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.490852]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.490852]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.490852]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.490852]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.490852]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.490852]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.490852]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.490852]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.490852]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.490852]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.490852]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.490852]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.490852]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.490852]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.490852]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.490852]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.490852] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.490852] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.490852] CR2: 0000000000000004
[    1.490852] ---[ end trace 6fb5cd0d667b5a80 ]---
[    1.490852] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-17:20131010130001:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.477573] end_request: I/O error, dev nbd15, sector 0
[    1.478659] block nbd3: Attempted send on closed socket
[    1.479530] end_request: I/O error, dev nbd3, sector 0
[    1.480410] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.481626] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.482586] *pdpt = 000000000cd3d001 *pde = 0000000000000000 
[    1.483637] Oops: 0000 [#1] 
[    1.483737] CPU: 0 PID: 661 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.483737] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.483737] task: c0fa90e0 ti: cec0a000 task.ti: ccc88000
[    1.483737] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.483737] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.483737] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.483737] ESI: c10343ba EDI: cccdbf58 EBP: cec0bf94 ESP: cec0bf80
[    1.483737]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.483737] CR0: 8005003b CR2: 00000004 CR3: 0ccfa000 CR4: 000006b0
[    1.483737] Stack:
[    1.483737]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.483737]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.483737]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.483737] Call Trace:
[    1.483737]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.483737]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.483737]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.483737]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.483737]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.483737]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.483737]  <IRQ> 
[    1.483737]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.483737]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.483737]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.483737]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.483737]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.483737]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.483737]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.483737]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.483737]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.483737]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.483737]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.483737]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.483737]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.483737]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.483737]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.483737]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.483737]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.483737]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.483737]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.483737]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.483737]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.483737]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.483737]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.483737]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.483737]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.483737]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.483737]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.483737]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.483737]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.483737]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.483737] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.483737] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.483737] CR2: 0000000000000004
[    1.483737] ---[ end trace 5f16275d860dd3d2 ]---
[    1.483737] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-17:20131010130342:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.455502] end_request: I/O error, dev nbd15, sector 0
[    1.456523] XFS: Assertion failed: read && bp->b_ops, file: 
fs/xfs/xfs_buf.c, line: 1005
[    1.458130] ------------[ cut here ]------------
[    1.458897] kernel BUG at fs/xfs/xfs_message.c:108!
[    1.459816] invalid opcode: 0000 [#1] 
[    1.459816] CPU: 0 PID: 26 Comm: xfslogd Not tainted 3.12.0-rc4 #2
[    1.459816] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.459816] Workqueue: xfslogd xfs_buf_iodone_work
[    1.459816] task: cd7770e0 ti: cd7d2000 task.ti: cd7d2000
[    1.459816] EIP: 0060:[<c1111d0d>] EFLAGS: 00010292 CPU: 0
[    1.459816] EIP is at assfail+0x12/0x14
[    1.459816] EAX: 00000065 EBX: cd7bd200 ECX: 00000000 EDX: c1932fa8
[    1.459816] ESI: ccc61e58 EDI: ccc61e00 EBP: cd7d3ef8 ESP: cd7d3ee4
[    1.459816]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[    1.459816] CR0: 8005003b CR2: 08122e28 CR3: 0cc67000 CR4: 000006b0
[    1.459816] Stack:
[    1.459816]  00000000 c1865d0a c1864ee7 c1864ca8 000003ed cd7d3f0c c1104d62 
cd7bd240
[    1.459816]  ccc61e58 c1931d50 cd7d3f2c c103496f 00000000 cfff5800 00000000 
cd7bd240
[    1.459816]  cd7bd258 c1931d5c cd7d3f3c c1034a3b c1931d50 cd7bd240 cd7d3f70 
c1034b93
[    1.459816] Call Trace:
[    1.459816]  [<c1104d62>] xfs_buf_iodone_work+0x6e/0x7b
[    1.459816]  [<c103496f>] process_one_work+0x11b/0x1cc
[    1.459816]  [<c1034a3b>] process_scheduled_works+0x1b/0x21
[    1.459816]  [<c1034b93>] rescuer_thread+0x152/0x1df
[    1.459816]  [<c1034a41>] ? process_scheduled_works+0x21/0x21
[    1.459816]  [<c103893f>] kthread+0x6d/0x72
[    1.459816]  [<c164f737>] ret_from_kernel_thread+0x1b/0x28
[    1.459816]  [<c10388d2>] ? init_completion+0x1d/0x1d
[    1.459816] Code: e8 ee fe ff ff ba 64 00 00 00 b8 dc 5c 86 c1 e8 7b 4a f1 
ff 83 c4 14 c9 c3 55 89 e5 51 52 50 68 0a 5d 86 c1 6a 00 e8 20 fe ff ff <0f> 0b 
55 89 e5 6a 01 52 50 6a 01 6a 10 b9 01 00 00 00 ba f2 b2
[    1.459816] EIP: [<c1111d0d>] assfail+0x12/0x14 SS:ESP 0068:cd7d3ee4
[    1.491039] ---[ end trace 2c51812d4b81857f ]---
[    1.491894] BUG: unable to handle kernel paging request at fffffff0

dmesg-yocto-athens-17:20131010130525:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.463040] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[    1.464139] usb 1-1: Product: NCM Gadget
[    1.464847] usb 1-1: Manufacturer: Linux 3.12.0-rc4 with dummy_udc
[    1.465839] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.467088] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.468058] *pdpt = 000000000bc3f001 *pde = 0000000000000000 
[    1.469140] Oops: 0000 [#1] 
[    1.469167] CPU: 0 PID: 15 Comm: khubd Not tainted 3.12.0-rc4 #2
[    1.469167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.469167] task: cec810e0 ti: cec0a000 task.ti: cecde000
[    1.469167] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.469167] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.469167] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.469167] ESI: c10343ba EDI: ccdac658 EBP: cec0bf94 ESP: cec0bf80
[    1.469167]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[    1.469167] CR0: 8005003b CR2: 00000004 CR3: 0caaf000 CR4: 000006b0
[    1.469167] Stack:
[    1.469167]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.469167]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.469167]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.469167] Call Trace:
[    1.469167]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.469167]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.469167]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.469167]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.469167]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.469167]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.469167]  <IRQ> 
[    1.469167]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.469167]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.469167]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.469167]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.469167]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.469167]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.469167]  [<c1301dfc>] ? usb_control_msg+0xb2/0xc3
[    1.469167]  [<c10926ef>] ? spin_unlock_irqrestore.isra.2+0x8/0x14
[    1.469167]  [<c164800e>] ? __slab_free+0x1bf/0x207
[    1.469167]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.469167]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.469167]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.469167]  [<c1259506>] ? _dev_info+0x28/0x2a
[    1.469167]  [<c12fc0c8>] ? usb_new_device+0xf1/0x2d1
[    1.469167]  [<c12fdc97>] ? hub_port_connect_change+0x444/0x62f
[    1.469167]  [<c12fe41f>] ? hub_thread+0x3e7/0x59a
[    1.469167]  [<c1039181>] ? abort_exclusive_wait+0x62/0x62
[    1.469167]  [<c12fe038>] ? usb_reset_device+0x116/0x116
[    1.469167]  [<c103893f>] ? kthread+0x6d/0x72
[    1.469167]  [<c164f737>] ? ret_from_kernel_thread+0x1b/0x28
[    1.469167]  [<c10388d2>] ? init_completion+0x1d/0x1d
[    1.469167] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.469167] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.469167] CR2: 0000000000000004
[    1.469167] ---[ end trace 977e7a77610651f1 ]---
[    1.469167] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-19:20131010130343:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.517222] block nbd13: Attempted send on closed socket
[    1.518122] end_request: I/O error, dev nbd13, sector 0
[    1.519260] block nbd14: Attempted send on closed socket
[    1.520171] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.521409] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.522389] *pdpt = 000000000c7aa001 *pde = 0000000000000000 
[    1.523465] Oops: 0000 [#1] 
[    1.523499] CPU: 0 PID: 661 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.523499] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.523499] task: ccd190e0 ti: cec0a000 task.ti: ccd16000
[    1.523499] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.523499] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.523499] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.523499] ESI: c10343ba EDI: cc405c58 EBP: cec0bf94 ESP: cec0bf80
[    1.523499]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.523499] CR0: 8005003b CR2: 00000004 CR3: 0bc83000 CR4: 000006b0
[    1.523499] Stack:
[    1.523499]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.523499]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.523499]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.523499] Call Trace:
[    1.523499]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.523499]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.523499]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.523499]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.523499]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.523499]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.523499]  <IRQ> 
[    1.523499]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.523499]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.523499]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.523499]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.523499]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.523499]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.523499]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.523499]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.523499]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.523499]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.523499]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.523499]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.523499]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.523499]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.523499]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.523499]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.523499]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.523499]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.523499]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.523499]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.523499]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.523499]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.523499]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.523499]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.523499]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.523499]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.523499]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.523499]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.523499]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.523499]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.523499]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.523499]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.523499]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.523499]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.523499]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.523499]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.523499] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.523499] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.523499] CR2: 0000000000000004
[    1.523499] ---[ end trace 353ee6adf6290d5d ]---
[    1.523499] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-19:20131010130645:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.454641] block nbd9: Attempted send on closed socket
[    1.455514] end_request: I/O error, dev nbd9, sector 0
[    1.456551] block nbd0: Attempted send on closed socket
[    1.457437] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.458663] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.459628] *pdpt = 000000000b900001 *pde = 0000000000000000 
[    1.460689] Oops: 0000 [#1] 
[    1.460766] CPU: 0 PID: 659 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.460766] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.460766] task: ccf68000 ti: cec0a000 task.ti: ccec8000
[    1.460766] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.460766] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.460766] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.460766] ESI: c10343ba EDI: cc6fdb58 EBP: cec0bf94 ESP: cec0bf80
[    1.460766]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.460766] CR0: 8005003b CR2: 00000004 CR3: 0cf95000 CR4: 000006b0
[    1.460766] Stack:
[    1.460766]  c1931d60 cec7323c 00000100 c10343ba cd07c938 cec0bfa4 c102cd96 
c1a52700
[    1.460766]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.460766]  cd07c938 cd07c938 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.460766] Call Trace:
[    1.460766]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.460766]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.460766]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.460766]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.460766]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.460766]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.460766]  <IRQ> 
[    1.460766]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.460766]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.460766]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.460766]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.460766]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.460766]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.460766]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.460766]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.460766]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.460766]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.460766]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.460766]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.460766]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.460766]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.460766]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.460766]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.460766]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.460766]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.460766]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.460766]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.460766]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.460766]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.460766]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.460766]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.460766]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.460766]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.460766]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.460766]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.460766]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.460766]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.460766]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.460766]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.460766]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.460766]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.460766]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.460766]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.460766] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.460766] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.460766] CR2: 0000000000000004
[    1.460766] ---[ end trace 5c896a65fdbaa5e1 ]---
[    1.460766] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-1:20131010125959:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.489456] block nbd0: Attempted send on closed socket
[    1.490326] end_request: I/O error, dev nbd0, sector 0
[    1.491539] block nbd15: Attempted send on closed socket
[    1.492418] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.493633] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.494582] *pdpt = 000000000caaa001 *pde = 0000000000000000 
[    1.495612] Oops: 0000 [#1] 
[    1.495744] CPU: 0 PID: 662 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.495744] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.495744] task: cca9f0e0 ti: cec0a000 task.ti: ccd82000
[    1.495744] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.495744] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.495744] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.495744] ESI: c10343ba EDI: cc814d58 EBP: cec0bf94 ESP: cec0bf80
[    1.495744]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.495744] CR0: 8005003b CR2: 00000004 CR3: 0bd78000 CR4: 000006b0
[    1.495744] Stack:
[    1.495744]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.495744]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.495744]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.495744] Call Trace:
[    1.495744]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.495744]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.495744]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.495744]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.495744]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.495744]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.495744]  <IRQ> 
[    1.495744]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.495744]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.495744]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.495744]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.495744]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.495744]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.495744]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.495744]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.495744]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.495744]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.495744]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.495744]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.495744]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.495744]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.495744]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.495744]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.495744]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.495744]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.495744]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.495744]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.495744]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.495744]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.495744]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.495744]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.495744]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.495744]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.495744]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.495744]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.495744]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.495744]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.495744]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.495744]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.495744]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.495744]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.495744]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.495744]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.495744] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.495744] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.495744] CR2: 0000000000000004
[    1.495744] ---[ end trace 94581755efdedced ]---
[    1.495744] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-1:20131010130845:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.468571] end_request: I/O error, dev nbd7, sector 0
[    1.469601] block nbd3: Attempted send on closed socket
[    1.470477] end_request: I/O error, dev nbd3, sector 0
[    1.471346] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.472569] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.473533] *pdpt = 000000000bcb4001 *pde = 0000000000000000 
[    1.474602] Oops: 0000 [#1] 
[    1.474675] CPU: 0 PID: 660 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.474675] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.474675] task: ccfc1440 ti: cec0a000 task.ti: ccb9e000
[    1.474675] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.474675] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.474675] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.474675] ESI: c10343ba EDI: cc9d3b58 EBP: cec0bf94 ESP: cec0bf80
[    1.474675]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.474675] CR0: 8005003b CR2: 00000004 CR3: 0bcdc000 CR4: 000006b0
[    1.474675] Stack:
[    1.474675]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.474675]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.474675]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.474675] Call Trace:
[    1.474675]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.474675]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.474675]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.474675]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.474675]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.474675]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.474675]  <IRQ> 
[    1.474675]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.474675]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.474675]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.474675]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.474675]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.474675]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.474675]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.474675]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.474675]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.474675]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.474675]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.474675]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.474675]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.474675]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.474675]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.474675]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.474675]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.474675]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.474675]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.474675]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.474675]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.474675]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.474675]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.474675]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.474675]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.474675]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.474675]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.474675]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.474675]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.474675]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.474675] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.474675] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.474675] CR2: 0000000000000004
[    1.474675] ---[ end trace 084838039af76138 ]---
[    1.474675] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-20:20131010130010:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.491146] end_request: I/O error, dev nbd12, sector 0
[    1.492217] block nbd13: Attempted send on closed socket
[    1.493088] end_request: I/O error, dev nbd13, sector 0
[    1.493951] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.495177] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.496132] *pdpt = 000000000c41c001 *pde = 0000000000000000 
[    1.497178] Oops: 0000 [#1] 
[    1.497280] CPU: 0 PID: 671 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.497280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.497280] task: cc6d2a20 ti: cec0a000 task.ti: cc79a000
[    1.497280] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.497280] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.497280] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.497280] ESI: c10343ba EDI: ccfbb558 EBP: cec0bf94 ESP: cec0bf80
[    1.497280]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.497280] CR0: 8005003b CR2: 00000004 CR3: 0c795000 CR4: 000006b0
[    1.497280] Stack:
[    1.497280]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.497280]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.497280]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.497280] Call Trace:
[    1.497280]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.497280]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.497280]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.497280]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.497280]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.497280]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.497280]  <IRQ> 
[    1.497280]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.497280]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.497280]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.497280]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.497280]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.497280]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.497280]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.497280]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.497280]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.497280]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.497280]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.497280]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.497280]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.497280]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.497280]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.497280]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.497280]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.497280]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.497280]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.497280]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.497280]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.497280]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.497280]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.497280]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.497280]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.497280]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.497280]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.497280]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.497280]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.497280]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.497280] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.497280] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.497280] CR2: 0000000000000004
[    1.497280] ---[ end trace 24fc7df1f58fb173 ]---
[    1.497280] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-20:20131010131033:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.441776] block nbd11: Attempted send on closed socket
[    1.442632] end_request: I/O error, dev nbd11, sector 0
[    1.443644] block nbd1: Attempted send on closed socket
[    1.444512] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.445699] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.446628] *pdpt = 000000000d349001 *pde = 0000000000000000 
[    1.447648] Oops: 0000 [#1] 
[    1.447840] CPU: 0 PID: 662 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.447840] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.447840] task: cd0f6000 ti: cec0a000 task.ti: cce00000
[    1.447840] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.447840] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.447840] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.447840] ESI: c10343ba EDI: cd128258 EBP: cec0bf94 ESP: cec0bf80
[    1.447840]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.447840] CR0: 8005003b CR2: 00000004 CR3: 0ce36000 CR4: 000006b0
[    1.447840] Stack:
[    1.447840]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.447840]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.447840]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.447840] Call Trace:
[    1.447840]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.447840]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.447840]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.447840]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.447840]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.447840]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.447840]  <IRQ> 
[    1.447840]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.447840]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.447840]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.447840]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.447840]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.447840]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.447840]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.447840]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.447840]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.447840]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.447840]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.447840]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.447840]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.447840]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.447840]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.447840]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.447840]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.447840]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.447840]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.447840]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.447840]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.447840]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.447840]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.447840]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.447840]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.447840]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.447840]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.447840]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.447840]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.447840]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.447840]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.447840]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.447840]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.447840]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.447840]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.447840]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.447840] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.447840] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.447840] CR2: 0000000000000004
[    1.447840] ---[ end trace 2b1bdf32d64a0fa6 ]---
[    1.447840] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-21:20131010130338:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.432444] end_request: I/O error, dev nbd14, sector 0
[    1.433558] block nbd15: Attempted send on closed socket
[    1.434396] end_request: I/O error, dev nbd15, sector 0
[    1.435399] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.436583] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.437494] *pdpt = 000000000cd60001 *pde = 0000000000000000 
[    1.438511] Oops: 0000 [#1] 
[    1.438727] CPU: 0 PID: 655 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.438727] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.438727] task: c04766c0 ti: cec0a000 task.ti: cd328000
[    1.438727] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.438727] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.438727] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.438727] ESI: c10343ba EDI: cd336858 EBP: cec0bf94 ESP: cec0bf80
[    1.438727]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.438727] CR0: 8005003b CR2: 00000004 CR3: 0d09b000 CR4: 000006b0
[    1.438727] Stack:
[    1.438727]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.438727]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.438727]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.438727] Call Trace:
[    1.438727]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.438727]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.438727]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.438727]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.438727]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.438727]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.438727]  <IRQ> 
[    1.438727]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.438727]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.438727]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.438727]  [<c11051b1>] ? _xfs_buf_ioapply+0x231/0x24e
[    1.438727]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.438727]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.438727]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.438727]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.438727]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.438727]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.438727]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.438727]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.438727]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.438727]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.438727]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.438727]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.438727]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.438727]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.438727]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.438727]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.438727]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.438727] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.438727] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.438727] CR2: 0000000000000004
[    1.438727] ---[ end trace 66b01016625fd1f0 ]---
[    1.438727] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-21:20131010130923:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.444289] end_request: I/O error, dev nbd1, sector 0
[    1.445296] block nbd9: Attempted send on closed socket
[    1.446135] end_request: I/O error, dev nbd9, sector 0
[    1.447117] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.448324] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.449257] *pdpt = 000000000c628001 *pde = 0000000000000000 
[    1.450277] Oops: 0000 [#1] 
[    1.450445] CPU: 0 PID: 292 Comm: mount.sh Not tainted 3.12.0-rc4 #2
[    1.450445] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.450445] task: cc5f1b00 ti: cec0a000 task.ti: cc660000
[    1.450445] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.450445] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.450445] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.450445] ESI: c10343ba EDI: ccf3de58 EBP: cec0bf94 ESP: cec0bf80
[    1.450445]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.450445] CR0: 8005003b CR2: 00000004 CR3: 0c5f9000 CR4: 000006b0
[    1.450445] Stack:
[    1.450445]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.450445]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.450445]  cec0bfc0 cec0bfc0 00000101 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.450445] Call Trace:
[    1.450445]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.450445]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.450445]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.450445]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.450445]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.450445]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.450445]  <IRQ> 
[    1.450445]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.450445]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.450445]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.450445] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.450445] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.450445] CR2: 0000000000000004
[    1.450445] ---[ end trace c95f7db983964a23 ]---
[    1.450445] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-22:20131010130144:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.430455] end_request: I/O error, dev nbd2, sector 0
[    1.431439] block nbd0: Attempted send on closed socket
[    1.432272] end_request: I/O error, dev nbd0, sector 0
[    1.433084] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.434247] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.435167] *pdpt = 000000000bc79001 *pde = 0000000000000000 
[    1.436166] Oops: 0000 [#1] 
[    1.436412] CPU: 0 PID: 660 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.436412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.436412] task: ccfdc360 ti: cec0a000 task.ti: cceb8000
[    1.436412] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.436412] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.436412] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.436412] ESI: c10343ba EDI: ccf1cd58 EBP: cec0bf94 ESP: cec0bf80
[    1.436412]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.436412] CR0: 8005003b CR2: 00000004 CR3: 0bd8b000 CR4: 000006b0
[    1.436412] Stack:
[    1.436412]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.436412]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.436412]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.436412] Call Trace:
[    1.436412]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.436412]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.436412]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.436412]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.436412]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.436412]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.436412]  <IRQ> 
[    1.436412]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.436412]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.436412]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.436412]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.436412]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.436412]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.436412]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.436412]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.436412]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.436412]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.436412]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.436412]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.436412]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.436412]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.436412]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.436412]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.436412]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.436412]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.436412]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.436412]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.436412]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.436412]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.436412]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.436412]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.436412]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.436412]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.436412]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.436412]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.436412]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.436412]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.436412] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.436412] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.436412] CR2: 0000000000000004
[    1.436412] ---[ end trace bbe46e564c30073d ]---
[    1.436412] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-22:20131010130948:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.456951] block nbd11: Attempted send on closed socket
[    1.457850] end_request: I/O error, dev nbd11, sector 0
[    1.458891] block nbd12: Attempted send on closed socket
[    1.459784] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.461008] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.461965] *pdpt = 000000000c468001 *pde = 0000000000000000 
[    1.463019] Oops: 0000 [#1] 
[    1.463113] CPU: 0 PID: 655 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.463113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.463113] task: cc71b440 ti: cec0a000 task.ti: cc404000
[    1.463113] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.463113] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.463113] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.463113] ESI: c10343ba EDI: cc789458 EBP: cec0bf94 ESP: cec0bf80
[    1.463113]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.463113] CR0: 8005003b CR2: 00000004 CR3: 0cf97000 CR4: 000006b0
[    1.463113] Stack:
[    1.463113]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.463113]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.463113]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.463113] Call Trace:
[    1.463113]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.463113]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.463113]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.463113]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.463113]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.463113]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.463113]  <IRQ> 
[    1.463113]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.463113]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.463113]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.463113]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.463113]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.463113]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.463113]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.463113]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.463113]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.463113]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.463113]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.463113]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.463113]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.463113]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.463113]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.463113]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.463113]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.463113]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.463113]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.463113]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.463113]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.463113]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.463113]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.463113]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.463113]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.463113]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.463113]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.463113]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.463113]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.463113]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.463113]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.463113]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.463113]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.463113]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.463113]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.463113]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.463113] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.463113] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.463113] CR2: 0000000000000004
[    1.463113] ---[ end trace faef66090469d09f ]---
[    1.463113] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-22:20131010131217:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.461058] block nbd12: Attempted send on closed socket
[    1.461938] end_request: I/O error, dev nbd12, sector 0
[    1.462983] block nbd15: Attempted send on closed socket
[    1.463875] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.465086] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.466043] *pdpt = 000000000bd2a001 *pde = 0000000000000000 
[    1.467094] Oops: 0000 [#1] 
[    1.467203] CPU: 0 PID: 669 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.467203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.467203] task: cce7f7a0 ti: cec0a000 task.ti: cbcec000
[    1.467203] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.467203] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.467203] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.467203] ESI: c10343ba EDI: ccdd3258 EBP: cec0bf94 ESP: cec0bf80
[    1.467203]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.467203] CR0: 8005003b CR2: 00000004 CR3: 0bd84000 CR4: 000006b0
[    1.467203] Stack:
[    1.467203]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.467203]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.467203]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.467203] Call Trace:
[    1.467203]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.467203]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.467203]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.467203]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.467203]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.467203]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.467203]  <IRQ> 
[    1.467203]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.467203]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.467203]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.467203]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.467203]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.467203]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.467203]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.467203]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.467203]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.467203]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.467203]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.467203]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.467203]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.467203]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.467203]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.467203]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.467203]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.467203]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.467203]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.467203]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.467203]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.467203]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.467203]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.467203]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.467203]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.467203]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.467203]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.467203]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.467203]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.467203]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.467203]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.467203]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.467203]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.467203]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.467203]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.467203]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.467203] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.467203] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.467203] CR2: 0000000000000004
[    1.467203] ---[ end trace 28df981f013baf98 ]---
[    1.467203] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-24:20131010131007:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.461929] end_request: I/O error, dev nbd2, sector 0
[    1.462947] block nbd6: Attempted send on closed socket
[    1.463813] end_request: I/O error, dev nbd6, sector 0
[    1.464656] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.465859] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.466804] *pdpt = 000000000ce8f001 *pde = 0000000000000000 
[    1.467845] Oops: 0000 [#1] 
[    1.467985] CPU: 0 PID: 656 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.467985] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.467985] task: ccf0f7a0 ti: cec0a000 task.ti: cc5e4000
[    1.467985] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.467985] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.467985] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.467985] ESI: c10343ba EDI: ccf5ef58 EBP: cec0bf94 ESP: cec0bf80
[    1.467985]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.467985] CR0: 8005003b CR2: 00000004 CR3: 0c7ca000 CR4: 000006b0
[    1.467985] Stack:
[    1.467985]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.467985]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.467985]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.467985] Call Trace:
[    1.467985]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.467985]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.467985]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.467985]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.467985]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.467985]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.467985]  <IRQ> 
[    1.467985]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.467985]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.467985]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.467985]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.467985]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.467985]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.467985]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.467985]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.467985]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.467985]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.467985]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.467985]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.467985]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.467985]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.467985]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.467985]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.467985]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.467985]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.467985]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.467985]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.467985]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.467985]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.467985]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.467985]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.467985]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.467985]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.467985]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.467985]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.467985]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.467985]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.467985] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.467985] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.467985] CR2: 0000000000000004
[    1.467985] ---[ end trace fb314b00a74f0387 ]---
[    1.467985] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-24:20131010131220:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.422428] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[    1.423464] usb 1-1: Product: NCM Gadget
[    1.424139] usb 1-1: Manufacturer: Linux 3.12.0-rc4 with dummy_udc
[    1.425077] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.426253] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.427175] *pdpt = 000000000caca001 *pde = 0000000000000000 
[    1.428189] Oops: 0000 [#1] 
[    1.428406] CPU: 0 PID: 15 Comm: khubd Not tainted 3.12.0-rc4 #2
[    1.428406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.428406] task: cec810e0 ti: cec0a000 task.ti: cecde000
[    1.428406] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.428406] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.428406] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.428406] ESI: c10343ba EDI: ccea2c58 EBP: cec0bf94 ESP: cec0bf80
[    1.428406]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[    1.428406] CR0: 8005003b CR2: 00000004 CR3: 0cba6000 CR4: 000006b0
[    1.428406] Stack:
[    1.428406]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.428406]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.428406]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.428406] Call Trace:
[    1.428406]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.428406]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.428406]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.428406]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.428406]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.428406]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.428406]  <IRQ> 
[    1.428406]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.428406]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.428406]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.428406]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.428406]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.428406]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.428406]  [<c1301dfc>] ? usb_control_msg+0xb2/0xc3
[    1.428406]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.428406]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.428406]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.428406]  [<c1259506>] ? _dev_info+0x28/0x2a
[    1.428406]  [<c12fc0c8>] ? usb_new_device+0xf1/0x2d1
[    1.428406]  [<c12fdc97>] ? hub_port_connect_change+0x444/0x62f
[    1.428406]  [<c12fe41f>] ? hub_thread+0x3e7/0x59a
[    1.428406]  [<c1039181>] ? abort_exclusive_wait+0x62/0x62
[    1.428406]  [<c12fe038>] ? usb_reset_device+0x116/0x116
[    1.428406]  [<c103893f>] ? kthread+0x6d/0x72
[    1.428406]  [<c164f737>] ? ret_from_kernel_thread+0x1b/0x28
[    1.428406]  [<c10388d2>] ? init_completion+0x1d/0x1d
[    1.428406] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.428406] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.428406] CR2: 0000000000000004
[    1.428406] ---[ end trace 33096c024828caac ]---
[    1.428406] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-25:20131010131143:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.431601] end_request: I/O error, dev nbd9, sector 0
[    1.432592] block nbd5: Attempted send on closed socket
[    1.433429] end_request: I/O error, dev nbd5, sector 0
[    1.434258] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.435434] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.436356] *pdpt = 000000000c6ce001 *pde = 0000000000000000 
[    1.437358] Oops: 0000 [#1] 
[    1.437586] CPU: 0 PID: 658 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.437586] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.437586] task: cc72e6c0 ti: cec0a000 task.ti: cceb0000
[    1.437586] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.437586] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.437586] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.437586] ESI: c10343ba EDI: cce77b58 EBP: cec0bf94 ESP: cec0bf80
[    1.437586]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.437586] CR0: 8005003b CR2: 00000004 CR3: 0bc04000 CR4: 000006b0
[    1.437586] Stack:
[    1.437586]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.437586]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.437586]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.437586] Call Trace:
[    1.437586]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.437586]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.437586]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.437586]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.437586]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.437586]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.437586]  <IRQ> 
[    1.437586]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.437586]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.437586]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.437586]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.437586]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.437586]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.437586]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.437586]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.437586]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.437586]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.437586]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.437586]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.437586]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.437586]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.437586]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.437586]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.437586]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.437586]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.437586]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.437586]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.437586]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.437586]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.437586]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.437586]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.437586]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.437586]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.437586]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.437586]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.437586]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.437586]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.437586] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.437586] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.437586] CR2: 0000000000000004
[    1.437586] ---[ end trace 3921b21bd501e80f ]---
[    1.437586] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-26:20131010130300:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.445884] end_request: I/O error, dev nbd1, sector 0
[    1.446895] block nbd0: Attempted send on closed socket
[    1.447760] end_request: I/O error, dev nbd0, sector 0
[    1.448617] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.449828] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.450795] *pdpt = 000000000bcf5001 *pde = 0000000000000000 
[    1.451844] Oops: 0000 [#1] 
[    1.451945] CPU: 0 PID: 653 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.451945] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.451945] task: ccfed0e0 ti: cec0a000 task.ti: cc726000
[    1.451945] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.451945] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.451945] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.451945] ESI: c10343ba EDI: cce58058 EBP: cec0bf94 ESP: cec0bf80
[    1.451945]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.451945] CR0: 8005003b CR2: 00000004 CR3: 0bcf2000 CR4: 000006b0
[    1.451945] Stack:
[    1.451945]  c1931d60 cec7323c 00000100 c10343ba cd07c938 cec0bfa4 c102cd96 
c1a52700
[    1.451945]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.451945]  cd07c938 cd07c938 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.451945] Call Trace:
[    1.451945]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.451945]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.451945]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.451945]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.451945]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.451945]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.451945]  <IRQ> 
[    1.451945]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.451945]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.451945]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.451945]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.451945]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.451945]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.451945]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.451945]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.451945]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.451945]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.451945]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.451945]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.451945]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.451945]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.451945]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.451945]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.451945]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.451945]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.451945]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.451945]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.451945]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.451945]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.451945]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.451945]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.451945]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.451945]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.451945]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.451945]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.451945]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.451945]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.451945] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.451945] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.451945] CR2: 0000000000000004
[    1.451945] ---[ end trace 2e198f5b89cb2ccc ]---
[    1.451945] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-26:20131010131316:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.448902] end_request: I/O error, dev nbd3, sector 0
[    1.449907] block nbd5: Attempted send on closed socket
[    1.450741] end_request: I/O error, dev nbd5, sector 0
[    1.451574] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.452752] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.453674] *pdpt = 000000000cecc001 *pde = 0000000000000000 
[    1.454689] Oops: 0000 [#1] 
[    1.454903] CPU: 0 PID: 655 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.454903] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.454903] task: cb8c06c0 ti: cec0a000 task.ti: cc706000
[    1.454903] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.454903] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.454903] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.454903] ESI: c10343ba EDI: cce48958 EBP: cec0bf94 ESP: cec0bf80
[    1.454903]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.454903] CR0: 8005003b CR2: 00000004 CR3: 0c4d0000 CR4: 000006b0
[    1.454903] Stack:
[    1.454903]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.454903]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.454903]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.454903] Call Trace:
[    1.454903]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.454903]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.454903]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.454903]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.454903]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.454903]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.454903]  <IRQ> 
[    1.454903]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.454903]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.454903]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.454903]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.454903]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.454903]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.454903]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.454903]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.454903]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.454903]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.454903]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.454903]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.454903]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.454903]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.454903]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.454903]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.454903]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.454903]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.454903]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.454903]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.454903]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.454903]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.454903]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.454903]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.454903]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.454903]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.454903]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.454903]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.454903]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.454903]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.454903] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.454903] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.454903] CR2: 0000000000000004
[    1.454903] ---[ end trace 7a6cda8e81d4841c ]---
[    1.454903] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-27:20131010131115:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.492880] end_request: I/O error, dev nbd12, sector 0
[    1.493806] XFS: Assertion failed: read && bp->b_ops, file: 
fs/xfs/xfs_buf.c, line: 1005
[    1.495506] ------------[ cut here ]------------
[    1.496347] kernel BUG at fs/xfs/xfs_message.c:108!
[    1.497126] invalid opcode: 0000 [#1] 
[    1.497126] CPU: 0 PID: 26 Comm: xfslogd Not tainted 3.12.0-rc4 #2
[    1.497126] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.497126] Workqueue: xfslogd xfs_buf_iodone_work
[    1.497126] task: cd7770e0 ti: cd7d2000 task.ti: cd7d2000
[    1.497126] EIP: 0060:[<c1111d0d>] EFLAGS: 00010292 CPU: 0
[    1.497126] EIP is at assfail+0x12/0x14
[    1.497126] EAX: 00000065 EBX: cd7bd200 ECX: 00000000 EDX: c1932fa8
[    1.497126] ESI: cc494258 EDI: cc494200 EBP: cd7d3ef8 ESP: cd7d3ee4
[    1.497126]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[    1.497126] CR0: 8005003b CR2: 08122e28 CR3: 0ce1e000 CR4: 000006b0
[    1.497126] Stack:
[    1.497126]  00000000 c1865d0a c1864ee7 c1864ca8 000003ed cd7d3f0c c1104d62 
cd7bd240
[    1.497126]  cc494258 c1931d50 cd7d3f2c c103496f 00000000 cfff5800 00000000 
cd7bd240
[    1.497126]  cd7bd258 c1931d5c cd7d3f3c c1034a3b c1931d50 cd7bd240 cd7d3f70 
c1034b93
[    1.497126] Call Trace:
[    1.497126]  [<c1104d62>] xfs_buf_iodone_work+0x6e/0x7b
[    1.497126]  [<c103496f>] process_one_work+0x11b/0x1cc
[    1.497126]  [<c1034a3b>] process_scheduled_works+0x1b/0x21
[    1.497126]  [<c1034b93>] rescuer_thread+0x152/0x1df
[    1.497126]  [<c1034a41>] ? process_scheduled_works+0x21/0x21
[    1.497126]  [<c103893f>] kthread+0x6d/0x72
[    1.497126]  [<c164f737>] ret_from_kernel_thread+0x1b/0x28
[    1.497126]  [<c10388d2>] ? init_completion+0x1d/0x1d
[    1.497126] Code: e8 ee fe ff ff ba 64 00 00 00 b8 dc 5c 86 c1 e8 7b 4a f1 
ff 83 c4 14 c9 c3 55 89 e5 51 52 50 68 0a 5d 86 c1 6a 00 e8 20 fe ff ff <0f> 0b 
55 89 e5 6a 01 52 50 6a 01 6a 10 b9 01 00 00 00 ba f2 b2
[    1.497126] EIP: [<c1111d0d>] assfail+0x12/0x14 SS:ESP 0068:cd7d3ee4
[    1.531436] ---[ end trace bcae4ace79ec80b6 ]---
[    1.532442] BUG: unable to handle kernel paging request at fffffff0

dmesg-yocto-athens-28:20131010130916:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.482764] end_request: I/O error, dev nbd13, sector 0
[    1.483921] block nbd0: Attempted send on closed socket
[    1.484801] end_request: I/O error, dev nbd0, sector 0
[    1.485658] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.486896] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.487861] *pdpt = 000000000d3ed001 *pde = 0000000000000000 
[    1.488940] Oops: 0000 [#1] 
[    1.488986] CPU: 0 PID: 653 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.488986] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.488986] task: cc88b0e0 ti: cec0a000 task.ti: cd276000
[    1.488986] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.488986] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.488986] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.488986] ESI: c10343ba EDI: cd224358 EBP: cec0bf94 ESP: cec0bf80
[    1.488986]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.488986] CR0: 8005003b CR2: 00000004 CR3: 0ca62000 CR4: 000006b0
[    1.488986] Stack:
[    1.488986]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.488986]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.488986]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.488986] Call Trace:
[    1.488986]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.488986]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.488986]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.488986]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.488986]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.488986]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.488986]  <IRQ> 
[    1.488986]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.488986]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.488986]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.488986]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.488986]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.488986]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.488986]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.488986]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.488986]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.488986]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.488986]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.488986]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.488986]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.488986]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.488986]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.488986]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.488986]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.488986]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.488986]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.488986]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.488986]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.488986]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.488986]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.488986]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.488986]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.488986]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.488986]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.488986]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.488986]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.488986]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.488986] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.488986] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.488986] CR2: 0000000000000004
[    1.488986] ---[ end trace 16d19a407c227a07 ]---
[    1.488986] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-28:20131010131107:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.459282] end_request: I/O error, dev nbd4, sector 0
[    1.460304] block nbd3: Attempted send on closed socket
[    1.461168] end_request: I/O error, dev nbd3, sector 0
[    1.462016] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.463219] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.464163] *pdpt = 000000000ceb0001 *pde = 0000000000000000 
[    1.465199] Oops: 0000 [#1] 
[    1.465345] CPU: 0 PID: 661 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.465345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.465345] task: ccf766c0 ti: cec0a000 task.ti: cc6f6000
[    1.465345] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.465345] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.465345] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.465345] ESI: c10343ba EDI: ccdc8b58 EBP: cec0bf94 ESP: cec0bf80
[    1.465345]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.465345] CR0: 8005003b CR2: 00000004 CR3: 0b8f9000 CR4: 000006b0
[    1.465345] Stack:
[    1.465345]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.465345]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.465345]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.465345] Call Trace:
[    1.465345]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.465345]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.465345]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.465345]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.465345]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.465345]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.465345]  <IRQ> 
[    1.465345]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.465345]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.465345]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.465345]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.465345]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.465345]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.465345]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.465345]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.465345]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.465345]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.465345]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.465345]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.465345]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.465345]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.465345]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.465345]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.465345]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.465345]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.465345]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.465345]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.465345]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.465345]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.465345]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.465345]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.465345]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.465345]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.465345]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.465345]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.465345]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.465345]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.465345] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.465345] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.465345] CR2: 0000000000000004
[    1.465345] ---[ end trace 79c1c821d2b417e1 ]---
[    1.465345] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-29:20131010130035:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.465770] block nbd4: Attempted send on closed socket
[    1.466640] end_request: I/O error, dev nbd4, sector 0
[    1.467661] block nbd5: Attempted send on closed socket
[    1.468556] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.469770] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.470723] *pdpt = 000000000ce39001 *pde = 0000000000000000 
[    1.471779] Oops: 0000 [#1] 
[    1.471884] CPU: 0 PID: 667 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.471884] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.471884] task: ccd18d80 ti: cec0a000 task.ti: cce5a000
[    1.471884] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.471884] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.471884] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.471884] ESI: c10343ba EDI: cc81dd58 EBP: cec0bf94 ESP: cec0bf80
[    1.471884]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.471884] CR0: 8005003b CR2: 00000004 CR3: 0bd6e000 CR4: 000006b0
[    1.471884] Stack:
[    1.471884]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.471884]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.471884]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.471884] Call Trace:
[    1.471884]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.471884]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.471884]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.471884]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.471884]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.471884]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.471884]  <IRQ> 
[    1.471884]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.471884]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.471884]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.471884]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.471884]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.471884]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.471884]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.471884]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.471884]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.471884]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.471884]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.471884]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.471884]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.471884]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.471884]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.471884]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.471884]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.471884]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.471884]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.471884]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.471884]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.471884]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.471884]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.471884]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.471884]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.471884]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.471884]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.471884]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.471884]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.471884]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.471884]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.471884]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.471884]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.471884]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.471884]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.471884]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.471884] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.471884] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.471884] CR2: 0000000000000004
[    1.471884] ---[ end trace 6d7b457ad9bc00b7 ]---
[    1.471884] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-31:20131010130818:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.445284] end_request: I/O error, dev nbd3, sector 0
[    1.446292] block nbd4: Attempted send on closed socket
[    1.447128] end_request: I/O error, dev nbd4, sector 0
[    1.447975] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.449154] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.450085] *pdpt = 000000000d318001 *pde = 0000000000000000 
[    1.451107] Oops: 0000 [#1] 
[    1.451304] CPU: 0 PID: 665 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.451304] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.451304] task: c068f440 ti: cec0a000 task.ti: ccfd2000
[    1.451304] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.451304] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.451304] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.451304] ESI: c10343ba EDI: c0634958 EBP: cec0bf94 ESP: cec0bf80
[    1.451304]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.451304] CR0: 8005003b CR2: 00000004 CR3: 0cf65000 CR4: 000006b0
[    1.451304] Stack:
[    1.451304]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.451304]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.451304]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.451304] Call Trace:
[    1.451304]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.451304]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.451304]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.451304]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.451304]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.451304]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.451304]  <IRQ> 
[    1.451304]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.451304]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.451304]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.451304]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.451304]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.451304]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.451304]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.451304]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.451304]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.451304]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.451304]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.451304]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.451304]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.451304]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.451304]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.451304]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.451304]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.451304]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.451304]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.451304]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.451304]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.451304]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.451304]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.451304]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.451304]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.451304]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.451304]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.451304]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.451304]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.451304]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.451304] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.451304] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.451304] CR2: 0000000000000004
[    1.451304] ---[ end trace 2e89dddb7b02de3d ]---
[    1.451304] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-32:20131010125731:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.448052] end_request: I/O error, dev nbd2, sector 0
[    1.449077] block nbd8: Attempted send on closed socket
[    1.449921] end_request: I/O error, dev nbd8, sector 0
[    1.450788] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.451979] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.452905] *pdpt = 000000000d3be001 *pde = 0000000000000000 
[    1.453914] Oops: 0000 [#1] 
[    1.454116] CPU: 0 PID: 658 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.454116] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.454116] task: c0ef4000 ti: cec0a000 task.ti: cd0fa000
[    1.454116] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.454116] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.454116] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.454116] ESI: c10343ba EDI: cd28ed58 EBP: cec0bf94 ESP: cec0bf80
[    1.454116]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.454116] CR0: 8005003b CR2: 00000004 CR3: 0ccea000 CR4: 000006b0
[    1.454116] Stack:
[    1.454116]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.454116]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.454116]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.454116] Call Trace:
[    1.454116]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.454116]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.454116]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.454116]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.454116]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.454116]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.454116]  <IRQ> 
[    1.454116]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.454116]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.454116]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.454116]  [<c11b007b>] ? bio_data+0x30/0x3d
[    1.454116]  [<c1060000>] ? audit_filter_rules.isra.9+0x3d5/0x9f5
[    1.454116]  [<c106d122>] ? filemap_fault+0x6e/0x2e4
[    1.454116]  [<c107fc9c>] ? __do_fault+0x87/0x301
[    1.454116]  [<c10825a5>] ? handle_mm_fault+0x2ee/0x881
[    1.454116]  [<c1094284>] ? kmem_cache_free+0x85/0x8e
[    1.454116]  [<c101d4e9>] ? __do_page_fault+0x27f/0x36a
[    1.454116]  [<c1094284>] ? kmem_cache_free+0x85/0x8e
[    1.454116]  [<c1094284>] ? kmem_cache_free+0x85/0x8e
[    1.454116]  [<c10a1ecf>] ? final_putname+0x2d/0x30
[    1.454116]  [<c10a1ecf>] ? final_putname+0x2d/0x30
[    1.454116]  [<c109464b>] ? kfree+0x19/0xbc
[    1.454116]  [<c10b05eb>] ? SyS_mount+0x96/0xa0
[    1.454116]  [<c101bd49>] ? kvm_read_and_reset_pf_reason+0x1f/0x1f
[    1.454116]  [<c101d67b>] ? do_page_fault+0x8/0xa
[    1.454116]  [<c101bd6c>] ? do_async_page_fault+0x23/0x49
[    1.454116]  [<c164f540>] ? error_code+0x58/0x60
[    1.454116]  [<c101bd49>] ? kvm_read_and_reset_pf_reason+0x1f/0x1f
[    1.454116] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.454116] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.454116] CR2: 0000000000000004
[    1.454116] ---[ end trace 3bc8a0628d08f3c6 ]---
[    1.454116] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-34:20131010125731:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.513775] block nbd10: Attempted send on closed socket
[    1.514675] end_request: I/O error, dev nbd10, sector 0
[    1.515741] block nbd13: Attempted send on closed socket
[    1.516603] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.517851] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.518772] *pdpt = 000000000ce7c001 *pde = 0000000000000000 
[    1.519773] Oops: 0000 [#1] 
[    1.519931] CPU: 0 PID: 668 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.519931] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.519931] task: ccd4cd80 ti: cec0a000 task.ti: cd114000
[    1.519931] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.519931] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.519931] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.519931] ESI: c10343ba EDI: cd3ce658 EBP: cec0bf94 ESP: cec0bf80
[    1.519931]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.519931] CR0: 8005003b CR2: 00000004 CR3: 0cdfb000 CR4: 000006b0
[    1.519931] Stack:
[    1.519931]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.519931]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.519931]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.519931] Call Trace:
[    1.519931]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.519931]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.519931]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.519931]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.519931]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.519931]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.519931]  <IRQ> 
[    1.519931]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.519931]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.519931]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.519931]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.519931]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.519931]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.519931]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.519931]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.519931]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.519931]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.519931]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.519931]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.519931]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.519931]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.519931]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.519931]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.519931]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.519931]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.519931]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.519931]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.519931]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.519931]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.519931]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.519931]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.519931]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.519931]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.519931]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.519931]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.519931]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.519931]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.519931]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.519931]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.519931]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.519931]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.519931]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.519931]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.519931] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.519931] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.519931] CR2: 0000000000000004
[    1.519931] ---[ end trace 2e3c3c3f2c869ec4 ]---
[    1.519931] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-34:20131010130723:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.456403] end_request: I/O error, dev nbd10, sector 0
[    1.457460] block nbd14: Attempted send on closed socket
[    1.458375] end_request: I/O error, dev nbd14, sector 0
[    1.459250] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.460479] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.461457] *pdpt = 000000000bcd2001 *pde = 0000000000000000 
[    1.462515] Oops: 0000 [#1] 
[    1.462578] CPU: 0 PID: 658 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.462578] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.462578] task: ccdff0e0 ti: cec0a000 task.ti: ccfb0000
[    1.462578] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.462578] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.462578] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.462578] ESI: c10343ba EDI: ccea0058 EBP: cec0bf94 ESP: cec0bf80
[    1.462578]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.462578] CR0: 8005003b CR2: 00000004 CR3: 0bcd4000 CR4: 000006b0
[    1.462578] Stack:
[    1.462578]  c1931d60 cec7323c 00000100 c10343ba cd07c938 cec0bfa4 c102cd96 
c1a52700
[    1.462578]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.462578]  cd07c938 cd07c938 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.462578] Call Trace:
[    1.462578]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.462578]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.462578]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.462578]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.462578]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.462578]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.462578]  <IRQ> 
[    1.462578]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.462578]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.462578]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.462578]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.462578]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.462578]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.462578]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.462578]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.462578]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.462578]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.462578]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.462578]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.462578]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.462578]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.462578]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.462578]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.462578]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.462578]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.462578]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.462578]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.462578]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.462578]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.462578]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.462578]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.462578]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.462578]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.462578]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.462578]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.462578]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.462578]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.462578] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.462578] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.462578] CR2: 0000000000000004
[    1.462578] ---[ end trace 8977beaecc6c90ca ]---
[    1.462578] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-34:20131010130832:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.463424] end_request: I/O error, dev nbd15, sector 0
[    1.464480] block nbd3: Attempted send on closed socket
[    1.465369] end_request: I/O error, dev nbd3, sector 0
[    1.466246] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.467486] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.468462] *pdpt = 000000000c6f7001 *pde = 0000000000000000 
[    1.469539] Oops: 0000 [#1] 
[    1.469575] CPU: 0 PID: 653 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.469575] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.469575] task: cc696360 ti: cec0a000 task.ti: ccd3c000
[    1.469575] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.469575] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.469575] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.469575] ESI: c10343ba EDI: ccdaea58 EBP: cec0bf94 ESP: cec0bf80
[    1.469575]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.469575] CR0: 8005003b CR2: 00000004 CR3: 0c6fb000 CR4: 000006b0
[    1.469575] Stack:
[    1.469575]  c1931d60 cec7323c 00000100 c10343ba cd07c938 cec0bfa4 c102cd96 
c1a52700
[    1.469575]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.469575]  cd07c938 cd07c938 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.469575] Call Trace:
[    1.469575]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.469575]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.469575]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.469575]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.469575]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.469575]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.469575]  <IRQ> 
[    1.469575]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.469575]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.469575]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.469575]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.469575]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.469575]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.469575]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.469575]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.469575]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.469575]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.469575]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.469575]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.469575]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.469575]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.469575]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.469575]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.469575]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.469575]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.469575]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.469575]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.469575]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.469575]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.469575]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.469575]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.469575]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.469575]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.469575]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.469575]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.469575]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.469575]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.469575] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.469575] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.469575] CR2: 0000000000000004
[    1.469575] ---[ end trace c12bc0b21864b132 ]---
[    1.469575] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-34:20131010131200:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.441334] block nbd2: Attempted send on closed socket
[    1.442182] end_request: I/O error, dev nbd2, sector 0
[    1.443193] block nbd0: Attempted send on closed socket
[    1.444052] BUG: unable to handle kernel paging request at ffffff04
[    1.445160] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.446084] *pdpt = 0000000001a44001 *pde = 0000000001a49067 *pte = 
0000000000000000 
[    1.447380] Oops: 0000 [#1] 
[    1.447380] CPU: 0 PID: 658 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.447380] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.447380] task: cd26b0e0 ti: cec0a000 task.ti: ccda0000
[    1.447380] EIP: 0060:[<c1034419>] EFLAGS: 00010002 CPU: 0
[    1.447380] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.447380] EAX: ffffff00 EBX: c1931d50 ECX: ffffff00 EDX: ffffff04
[    1.447380] ESI: c10343ba EDI: cd198c58 EBP: cec0bf94 ESP: cec0bf80
[    1.447380]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.447380] CR0: 8005003b CR2: ffffff04 CR3: 0d2a6000 CR4: 000006b0
[    1.447380] Stack:
[    1.447380]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.447380]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.447380]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.447380] Call Trace:
[    1.447380]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.447380]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.447380]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.447380]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.447380]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.447380]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.447380]  <IRQ> 
[    1.447380]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.447380]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.447380]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.447380]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.447380]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.447380]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.447380]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.447380]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.447380]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.447380]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.447380]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.447380]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.447380]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.447380]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.447380]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.447380]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.447380]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.447380]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.447380]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.447380]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.447380]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.447380]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.447380]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.447380]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.447380]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.447380]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.447380]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.447380]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.447380]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.447380]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.447380]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.447380]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.447380]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.447380]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.447380]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.447380]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.447380] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.447380] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.447380] CR2: 00000000ffffff04
[    1.447380] ---[ end trace 4abc432affc5159f ]---
[    1.447380] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-35:20131010130757:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.446188] block nbd3: Attempted send on closed socket
[    1.447047] end_request: I/O error, dev nbd3, sector 0
[    1.448063] block nbd1: Attempted send on closed socket
[    1.448954] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.450154] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.451101] *pdpt = 000000000cc97001 *pde = 0000000000000000 
[    1.452146] Oops: 0000 [#1] 
[    1.452282] CPU: 0 PID: 660 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.452282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.452282] task: ccd777a0 ti: cec0a000 task.ti: cd372000
[    1.452282] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.452282] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.452282] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.452282] ESI: c10343ba EDI: c0494f58 EBP: cec0bf94 ESP: cec0bf80
[    1.452282]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.452282] CR0: 8005003b CR2: 00000004 CR3: 0cdb7000 CR4: 000006b0
[    1.452282] Stack:
[    1.452282]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.452282]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.452282]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.452282] Call Trace:
[    1.452282]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.452282]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.452282]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.452282]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.452282]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.452282]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.452282]  <IRQ> 
[    1.452282]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.452282]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.452282]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.452282]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.452282]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.452282]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.452282]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.452282]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.452282]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.452282]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.452282]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.452282]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.452282]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.452282]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.452282]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.452282]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.452282]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.452282]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.452282]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.452282]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.452282]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.452282]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.452282]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.452282]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.452282]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.452282]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.452282]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.452282]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.452282]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.452282]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.452282]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.452282]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.452282]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.452282]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.452282]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.452282]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.452282] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.452282] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.452282] CR2: 0000000000000004
[    1.452282] ---[ end trace d3c1b8067de5e6ad ]---
[    1.452282] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-36:20131010130239:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.438265] block nbd1: Attempted send on closed socket
[    1.439109] end_request: I/O error, dev nbd1, sector 0
[    1.440135] block nbd10: Attempted send on closed socket
[    1.440998] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.442196] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.443122] *pdpt = 000000000c5f7001 *pde = 0000000000000000 
[    1.444137] Oops: 0000 [#1] 
[    1.444327] CPU: 0 PID: 664 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.444327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.444327] task: ccfdd7a0 ti: cec0a000 task.ti: cbd92000
[    1.444327] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.444327] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.444327] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.444327] ESI: c10343ba EDI: cc6a3d58 EBP: cec0bf94 ESP: cec0bf80
[    1.444327]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.444327] CR0: 8005003b CR2: 00000004 CR3: 0bdc7000 CR4: 000006b0
[    1.444327] Stack:
[    1.444327]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.444327]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.444327]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.444327] Call Trace:
[    1.444327]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.444327]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.444327]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.444327]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.444327]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.444327]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.444327]  <IRQ> 
[    1.444327]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.444327]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.444327]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.444327]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.444327]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.444327]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.444327]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.444327]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.444327]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.444327]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.444327]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.444327]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.444327]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.444327]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.444327]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.444327]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.444327]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.444327]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.444327]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.444327]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.444327]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.444327]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.444327]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.444327]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.444327]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.444327]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.444327]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.444327]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.444327]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.444327]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.444327]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.444327]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.444327]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.444327]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.444327]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.444327]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.444327] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.444327] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.444327] CR2: 0000000000000004
[    1.444327] ---[ end trace 9c2ab9b688f2af42 ]---
[    1.444327] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-36:20131010130855:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.456013] end_request: I/O error, dev nbd15, sector 0
[    1.457071] block nbd14: Attempted send on closed socket
[    1.457936] end_request: I/O error, dev nbd14, sector 0
[    1.458961] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.460163] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.461103] *pdpt = 000000000d247001 *pde = 0000000000000000 
[    1.462132] Oops: 0000 [#1] 
[    1.462290] CPU: 0 PID: 244 Comm: mount.sh Not tainted 3.12.0-rc4 #2
[    1.462290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.462290] task: c0fdcd80 ti: cec0a000 task.ti: c059a000
[    1.462290] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.462290] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.462290] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.462290] ESI: c10343ba EDI: cd01f058 EBP: cec0bf94 ESP: cec0bf80
[    1.462290]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.462290] CR0: 8005003b CR2: 00000004 CR3: 0d246000 CR4: 000006b0
[    1.462290] Stack:
[    1.462290]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.462290]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.462290]  cec0bfc0 cec0bfc0 00000101 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.462290] Call Trace:
[    1.462290]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.462290]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.462290]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.462290]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.462290]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.462290]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.462290]  <IRQ> 
[    1.462290]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.462290]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.462290]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.462290]  [<c1070000>] ? show_free_areas+0xd8/0x4c5
[    1.462290]  [<c1080e8e>] ? do_wp_page.isra.83+0x449/0x52d
[    1.462290]  [<c10827f0>] ? handle_mm_fault+0x539/0x881
[    1.462290]  [<c103fccd>] ? sched_clock_local.constprop.3+0xe/0x106
[    1.462290]  [<c101d4e9>] ? __do_page_fault+0x27f/0x36a
[    1.462290]  [<c103e264>] ? check_preempt_curr+0x24/0x5d
[    1.462290]  [<c103df70>] ? task_rq_unlock.isra.48+0x15/0x21
[    1.462290]  [<c103e578>] ? wake_up_new_task+0x4e/0x53
[    1.462290]  [<c1025f1d>] ? do_fork+0x10c/0x1ec
[    1.462290]  [<c101bd49>] ? kvm_read_and_reset_pf_reason+0x1f/0x1f
[    1.462290]  [<c101d67b>] ? do_page_fault+0x8/0xa
[    1.462290]  [<c101bd6c>] ? do_async_page_fault+0x23/0x49
[    1.462290]  [<c164f540>] ? error_code+0x58/0x60
[    1.462290]  [<c101bd49>] ? kvm_read_and_reset_pf_reason+0x1f/0x1f
[    1.462290] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.462290] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.462290] CR2: 0000000000000004
[    1.462290] ---[ end trace e26ce7877673af14 ]---
[    1.462290] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-36:20131010131240:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.435623] end_request: I/O error, dev nbd12, sector 0
[    1.436630] block nbd1: Attempted send on closed socket
[    1.437476] end_request: I/O error, dev nbd1, sector 0
[    1.438309] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.439487] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.440414] *pdpt = 000000000cf8d001 *pde = 0000000000000000 
[    1.441431] Oops: 0000 [#1] 
[    1.441637] CPU: 0 PID: 660 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.441637] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.441637] task: cce7ea20 ti: cec0a000 task.ti: cbc56000
[    1.441637] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.441637] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.441637] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.441637] ESI: c10343ba EDI: cc440758 EBP: cec0bf94 ESP: cec0bf80
[    1.441637]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.441637] CR0: 8005003b CR2: 00000004 CR3: 0c430000 CR4: 000006b0
[    1.441637] Stack:
[    1.441637]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.441637]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.441637]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.441637] Call Trace:
[    1.441637]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.441637]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.441637]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.441637]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.441637]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.441637]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.441637]  <IRQ> 
[    1.441637]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.441637]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.441637]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.441637]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.441637]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.441637]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.441637]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.441637]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.441637]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.441637]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.441637]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.441637]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.441637]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.441637]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.441637]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.441637]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.441637]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.441637]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.441637]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.441637]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.441637]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.441637]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.441637]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.441637]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.441637]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.441637]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.441637]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.441637]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.441637]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.441637]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.441637] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.441637] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.441637] CR2: 0000000000000004
[    1.441637] ---[ end trace e4faee8a54b4dda8 ]---
[    1.441637] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-36:20131010131332:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.460883] end_request: I/O error, dev nbd2, sector 0
[    1.461907] block nbd15: Attempted send on closed socket
[    1.462776] end_request: I/O error, dev nbd15, sector 0
[    1.463641] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.464839] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.465775] *pdpt = 000000000cc18001 *pde = 0000000000000000 
[    1.466829] Oops: 0000 [#1] 
[    1.466970] CPU: 0 PID: 662 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.466970] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.466970] task: cd28bb00 ti: cec0a000 task.ti: ccc96000
[    1.466970] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.466970] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.466970] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.466970] ESI: c10343ba EDI: cd133458 EBP: cec0bf94 ESP: cec0bf80
[    1.466970]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.466970] CR0: 8005003b CR2: 00000004 CR3: 0cca8000 CR4: 000006b0
[    1.466970] Stack:
[    1.466970]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.466970]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.466970]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.466970] Call Trace:
[    1.466970]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.466970]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.466970]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.466970]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.466970]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.466970]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.466970]  <IRQ> 
[    1.466970]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.466970]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.466970]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.466970]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.466970]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.466970]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.466970]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.466970]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.466970]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.466970]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.466970]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.466970]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.466970]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.466970]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.466970]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.466970]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.466970]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.466970]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.466970]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.466970]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.466970]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.466970]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.466970]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.466970]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.466970]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.466970]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.466970]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.466970]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.466970]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.466970]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.466970] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.466970] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.466970] CR2: 0000000000000004
[    1.466970] ---[ end trace 125567b46aba0762 ]---
[    1.466970] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-37:20131010130037:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.458169] end_request: I/O error, dev nbd14, sector 0
[    1.459030] XFS: Assertion failed: read && bp->b_ops, file: 
fs/xfs/xfs_buf.c, line: 1005
[    1.460645] ------------[ cut here ]------------
[    1.461412] kernel BUG at fs/xfs/xfs_message.c:108!
[    1.462350] invalid opcode: 0000 [#1] 
[    1.462350] CPU: 0 PID: 26 Comm: xfslogd Not tainted 3.12.0-rc4 #2
[    1.462350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.462350] Workqueue: xfslogd xfs_buf_iodone_work
[    1.462350] task: cd7770e0 ti: cd7d2000 task.ti: cd7d2000
[    1.462350] EIP: 0060:[<c1111d0d>] EFLAGS: 00010292 CPU: 0
[    1.462350] EIP is at assfail+0x12/0x14
[    1.462350] EAX: 00000065 EBX: cd7bd200 ECX: 00000000 EDX: c1932fa8
[    1.462350] ESI: ccebab58 EDI: ccebab00 EBP: cd7d3ef8 ESP: cd7d3ee4
[    1.462350]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[    1.462350] CR0: 8005003b CR2: 08122e28 CR3: 0bd61000 CR4: 000006b0
[    1.462350] Stack:
[    1.462350]  00000000 c1865d0a c1864ee7 c1864ca8 000003ed cd7d3f0c c1104d62 
cd7bd240
[    1.462350]  ccebab58 c1931d50 cd7d3f2c c103496f 00000000 cfff5800 00000000 
cd7bd240
[    1.462350]  cd7bd258 c1931d5c cd7d3f3c c1034a3b c1931d50 cd7bd240 cd7d3f70 
c1034b93
[    1.462350] Call Trace:
[    1.462350]  [<c1104d62>] xfs_buf_iodone_work+0x6e/0x7b
[    1.462350]  [<c103496f>] process_one_work+0x11b/0x1cc
[    1.462350]  [<c1034a3b>] process_scheduled_works+0x1b/0x21
[    1.462350]  [<c1034b93>] rescuer_thread+0x152/0x1df
[    1.462350]  [<c1034a41>] ? process_scheduled_works+0x21/0x21
[    1.462350]  [<c103893f>] kthread+0x6d/0x72
[    1.462350]  [<c164f737>] ret_from_kernel_thread+0x1b/0x28
[    1.462350]  [<c10388d2>] ? init_completion+0x1d/0x1d
[    1.462350] Code: e8 ee fe ff ff ba 64 00 00 00 b8 dc 5c 86 c1 e8 7b 4a f1 
ff 83 c4 14 c9 c3 55 89 e5 51 52 50 68 0a 5d 86 c1 6a 00 e8 20 fe ff ff <0f> 0b 
55 89 e5 6a 01 52 50 6a 01 6a 10 b9 01 00 00 00 ba f2 b2
[    1.462350] EIP: [<c1111d0d>] assfail+0x12/0x14 SS:ESP 0068:cd7d3ee4
[    1.493889] ---[ end trace 83452a7b0a87a868 ]---
[    1.494714] BUG: unable to handle kernel paging request at fffffff0

dmesg-yocto-athens-37:20131010130551:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.427203] end_request: I/O error, dev nbd14, sector 0
[    1.428200] block nbd15: Attempted send on closed socket
[    1.429040] end_request: I/O error, dev nbd15, sector 0
[    1.429872] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.431036] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.431946] *pdpt = 000000000d37b001 *pde = 0000000000000000 
[    1.432951] Oops: 0000 [#1] 
[    1.433200] CPU: 0 PID: 669 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.433200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.433200] task: c0fd86c0 ti: cec0a000 task.ti: ccd70000
[    1.433200] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.433200] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.433200] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.433200] ESI: c10343ba EDI: cd122d58 EBP: cec0bf94 ESP: cec0bf80
[    1.433200]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.433200] CR0: 8005003b CR2: 00000004 CR3: 0cd0a000 CR4: 000006b0
[    1.433200] Stack:
[    1.433200]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.433200]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.433200]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.433200] Call Trace:
[    1.433200]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.433200]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.433200]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.433200]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.433200]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.433200]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.433200]  <IRQ> 
[    1.433200]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.433200]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.433200]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.433200]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.433200]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.433200]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.433200]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.433200]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.433200]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.433200]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.433200]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.433200]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.433200]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.433200]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.433200]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.433200]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.433200]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.433200]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.433200]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.433200]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.433200]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.433200]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.433200]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.433200]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.433200]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.433200]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.433200]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.433200]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.433200]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.433200]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.433200] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.433200] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.433200] CR2: 0000000000000004
[    1.433200] ---[ end trace e5b97be95e8a2086 ]---
[    1.433200] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-38:20131010130242:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.450378] block nbd6: Attempted send on closed socket
[    1.451231] end_request: I/O error, dev nbd6, sector 0
[    1.452240] block nbd13: Attempted send on closed socket
[    1.453108] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.454306] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.455242] *pdpt = 000000000cfa6001 *pde = 0000000000000000 
[    1.456273] Oops: 0000 [#1] 
[    1.456436] CPU: 0 PID: 654 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.456436] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.456436] task: ccf3fb00 ti: cec0a000 task.ti: cbc7a000
[    1.456436] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.456436] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.456436] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.456436] ESI: c10343ba EDI: ccec0b58 EBP: cec0bf94 ESP: cec0bf80
[    1.456436]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.456436] CR0: 8005003b CR2: 00000004 CR3: 0bc72000 CR4: 000006b0
[    1.456436] Stack:
[    1.456436]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.456436]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.456436]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.456436] Call Trace:
[    1.456436]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.456436]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.456436]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.456436]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.456436]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.456436]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.456436]  <IRQ> 
[    1.456436]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.456436]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.456436]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.456436]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.456436]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.456436]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.456436]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.456436]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.456436]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.456436]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.456436]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.456436]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.456436]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.456436]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.456436]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.456436]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.456436]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.456436]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.456436]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.456436]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.456436]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.456436]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.456436]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.456436]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.456436]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.456436]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.456436]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.456436]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.456436]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.456436]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.456436]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.456436]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.456436]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.456436]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.456436]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.456436]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.456436] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.456436] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.456436] CR2: 0000000000000004
[    1.456436] ---[ end trace f3e7a7df9dabcceb ]---
[    1.456436] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-38:20131010130316:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.510009] end_request: I/O error, dev nbd8, sector 0
[    1.510893] block nbd6: Attempted send on closed socket
[    1.511768] end_request: I/O error, dev nbd6, sector 0
[    1.512657] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.513918] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.514898] *pdpt = 000000000cda2001 *pde = 0000000000000000 
[    1.515984] Oops: 0000 [#1] 
[    1.515986] CPU: 0 PID: 669 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.515986] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.515986] task: c0f750e0 ti: cec0a000 task.ti: ccf12000
[    1.515986] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.515986] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.515986] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.515986] ESI: c10343ba EDI: cd2a4158 EBP: cec0bf94 ESP: cec0bf80
[    1.515986]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.515986] CR0: 8005003b CR2: 00000004 CR3: 0cdf9000 CR4: 000006b0
[    1.515986] Stack:
[    1.515986]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.515986]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.515986]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.515986] Call Trace:
[    1.515986]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.515986]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.515986]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.515986]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.515986]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.515986]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.515986]  <IRQ> 
[    1.515986]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.515986]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.515986]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.515986]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.515986]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.515986]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.515986]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.515986]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.515986]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.515986]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.515986]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.515986]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.515986]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.515986]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.515986]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.515986]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.515986]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.515986]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.515986]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.515986]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.515986]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.515986]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.515986]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.515986]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.515986]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.515986]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.515986]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.515986]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.515986]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.515986]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.515986] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.515986] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.515986] CR2: 0000000000000004
[    1.515986] ---[ end trace a026a73799669bd0 ]---
[    1.515986] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-38:20131010131014:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.470429] end_request: I/O error, dev nbd3, sector 0
[    1.471463] block nbd4: Attempted send on closed socket
[    1.472346] end_request: I/O error, dev nbd4, sector 0
[    1.473222] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.474454] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.475425] *pdpt = 000000000c4da001 *pde = 0000000000000000 
[    1.476524] Oops: 0000 [#1] 
[    1.476550] CPU: 0 PID: 655 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.476550] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.476550] task: cc506000 ti: cec0a000 task.ti: cce1e000
[    1.476550] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.476550] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.476550] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.476550] ESI: c10343ba EDI: cc48af58 EBP: cec0bf94 ESP: cec0bf80
[    1.476550]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.476550] CR0: 8005003b CR2: 00000004 CR3: 0c5b4000 CR4: 000006b0
[    1.476550] Stack:
[    1.476550]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.476550]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.476550]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.476550] Call Trace:
[    1.476550]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.476550]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.476550]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.476550]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.476550]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.476550]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.476550]  <IRQ> 
[    1.476550]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.476550]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.476550]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.476550]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.476550]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.476550]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.476550]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.476550]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.476550]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.476550]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.476550]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.476550]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.476550]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.476550]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.476550]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.476550]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.476550]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.476550]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.476550]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.476550]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.476550]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.476550]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.476550]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.476550]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.476550]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.476550]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.476550]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.476550]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.476550]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.476550]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.476550] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.476550] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.476550] CR2: 0000000000000004
[    1.476550] ---[ end trace d3a26a3286cd2f58 ]---
[    1.476550] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-39:20131010125926:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.460149] usb 1-1: Manufacturer: Linux 3.12.0-rc4 with dummy_udc
[    1.461338] block nbd2: Attempted send on closed socket
[    1.462217] end_request: I/O error, dev nbd2, sector 0
[    1.463078] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.464300] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.465261] *pdpt = 000000000c674001 *pde = 0000000000000000 
[    1.466322] Oops: 0000 [#1] 
[    1.466406] CPU: 0 PID: 648 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.466406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.466406] task: cb8446c0 ti: cec0a000 task.ti: ccfea000
[    1.466406] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.466406] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.466406] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.466406] ESI: c10343ba EDI: cce1ba58 EBP: cec0bf94 ESP: cec0bf80
[    1.466406]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.466406] CR0: 8005003b CR2: 00000004 CR3: 0cfc7000 CR4: 000006b0
[    1.466406] Stack:
[    1.466406]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.466406]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.466406]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.466406] Call Trace:
[    1.466406]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.466406]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.466406]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.466406]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.466406]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.466406]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.466406]  <IRQ> 
[    1.466406]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.466406]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.466406]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.466406]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.466406]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.466406]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.466406]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.466406]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.466406]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.466406]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.466406]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.466406]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.466406]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.466406]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.466406]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.466406]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.466406]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.466406]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.466406]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.466406]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.466406]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.466406]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.466406]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.466406]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.466406]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.466406]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.466406]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.466406]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.466406]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.466406]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.466406] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.466406] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.466406] CR2: 0000000000000004
[    1.466406] ---[ end trace 0c79c1b0e20613ac ]---
[    1.466406] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-39:20131010131120:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.465831] end_request: I/O error, dev nbd8, sector 0
[    1.466856] block nbd1: Attempted send on closed socket
[    1.467720] end_request: I/O error, dev nbd1, sector 0
[    1.468573] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.469785] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.470747] *pdpt = 000000000cfae001 *pde = 0000000000000000 
[    1.471791] Oops: 0000 [#1] 
[    1.471902] CPU: 0 PID: 652 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.471902] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.471902] task: cc5937a0 ti: cec0a000 task.ti: cc5ae000
[    1.471902] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.471902] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.471902] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.471902] ESI: c10343ba EDI: ccfc4058 EBP: cec0bf94 ESP: cec0bf80
[    1.471902]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.471902] CR0: 8005003b CR2: 00000004 CR3: 0ce9a000 CR4: 000006b0
[    1.471902] Stack:
[    1.471902]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.471902]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.471902]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.471902] Call Trace:
[    1.471902]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.471902]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.471902]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.471902]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.471902]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.471902]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.471902]  <IRQ> 
[    1.471902]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.471902]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.471902]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.471902]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.471902]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.471902]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.471902]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.471902]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.471902]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.471902]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.471902]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.471902]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.471902]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.471902]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.471902]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.471902]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.471902]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.471902]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.471902]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.471902]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.471902]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.471902]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.471902]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.471902]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.471902]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.471902]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.471902]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.471902]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.471902]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.471902]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.471902] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.471902] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.471902] CR2: 0000000000000004
[    1.471902] ---[ end trace f801f685bbda7557 ]---
[    1.471902] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-3:20131010130326:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.443676] block nbd3: Attempted send on closed socket
[    1.444533] end_request: I/O error, dev nbd3, sector 0
[    1.445698] block nbd6: Attempted send on closed socket
[    1.446566] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.447766] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.448698] *pdpt = 000000000d1ac001 *pde = 0000000000000000 
[    1.449738] Oops: 0000 [#1] 
[    1.449895] CPU: 0 PID: 658 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.449895] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.449895] task: c0d53b00 ti: cec0a000 task.ti: cd39c000
[    1.449895] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.449895] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.449895] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.449895] ESI: c10343ba EDI: c047e958 EBP: cec0bf94 ESP: cec0bf80
[    1.449895]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.449895] CR0: 8005003b CR2: 00000004 CR3: 0d0fd000 CR4: 000006b0
[    1.449895] Stack:
[    1.449895]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.449895]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.449895]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.449895] Call Trace:
[    1.449895]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.449895]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.449895]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.449895]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.449895]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.449895]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.449895]  <IRQ> 
[    1.449895]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.449895]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.449895]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.449895]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.449895]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.449895]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.449895]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.449895]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.449895]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.449895]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.449895]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.449895]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.449895]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.449895]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.449895]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.449895]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.449895]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.449895]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.449895]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.449895]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.449895]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.449895]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.449895]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.449895]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.449895]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.449895]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.449895]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.449895]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.449895]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.449895]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.449895]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.449895]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.449895]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.449895]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.449895]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.449895]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.449895] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.449895] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.449895] CR2: 0000000000000004
[    1.449895] ---[ end trace 6003209f4cacf99d ]---
[    1.449895] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-3:20131010130607:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.464890] block nbd11: Attempted send on closed socket
[    1.465774] end_request: I/O error, dev nbd11, sector 0
[    1.466814] block nbd14: Attempted send on closed socket
[    1.467711] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.468925] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.469884] *pdpt = 000000000ce88001 *pde = 0000000000000000 
[    1.470942] Oops: 0000 [#1] 
[    1.471039] CPU: 0 PID: 664 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.471039] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.471039] task: ccb906c0 ti: cec0a000 task.ti: ccb66000
[    1.471039] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.471039] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.471039] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.471039] ESI: c10343ba EDI: cc81b858 EBP: cec0bf94 ESP: cec0bf80
[    1.471039]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.471039] CR0: 8005003b CR2: 00000004 CR3: 0bc4f000 CR4: 000006b0
[    1.471039] Stack:
[    1.471039]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.471039]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.471039]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.471039] Call Trace:
[    1.471039]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.471039]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.471039]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.471039]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.471039]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.471039]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.471039]  <IRQ> 
[    1.471039]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.471039]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.471039]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.471039]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.471039]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.471039]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.471039]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.471039]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.471039]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.471039]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.471039]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.471039]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.471039]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.471039]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.471039]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.471039]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.471039]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.471039]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.471039]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.471039]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.471039]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.471039]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.471039]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.471039]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.471039]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.471039]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.471039]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.471039]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.471039]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.471039]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.471039]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.471039]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.471039]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.471039]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.471039]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.471039]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.471039] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.471039] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.471039] CR2: 0000000000000004
[    1.471039] ---[ end trace 072725378343af2d ]---
[    1.471039] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-40:20131010125706:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.480899] end_request: I/O error, dev nbd11, sector 0
[    1.481789] XFS: Assertion failed: read && bp->b_ops, file: 
fs/xfs/xfs_buf.c, line: 1005
[    1.483469] ------------[ cut here ]------------
[    1.484225] kernel BUG at fs/xfs/xfs_message.c:108!
[    1.484225] invalid opcode: 0000 [#1] 
[    1.484225] CPU: 0 PID: 26 Comm: xfslogd Not tainted 3.12.0-rc4 #2
[    1.484225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.484225] Workqueue: xfslogd xfs_buf_iodone_work
[    1.484225] task: cd7770e0 ti: cd7d2000 task.ti: cd7d2000
[    1.484225] EIP: 0060:[<c1111d0d>] EFLAGS: 00010292 CPU: 0
[    1.484225] EIP is at assfail+0x12/0x14
[    1.484225] EAX: 00000065 EBX: cd7bd200 ECX: 00000000 EDX: c1932fa8
[    1.484225] ESI: cc4d3858 EDI: cc4d3800 EBP: cd7d3ef8 ESP: cd7d3ee4
[    1.484225]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[    1.484225] CR0: 8005003b CR2: 08122e28 CR3: 0c5a4000 CR4: 000006b0
[    1.484225] Stack:
[    1.484225]  00000000 c1865d0a c1864ee7 c1864ca8 000003ed cd7d3f0c c1104d62 
cd7bd240
[    1.484225]  cc4d3858 c1931d50 cd7d3f2c c103496f 00000000 cfff5800 00000000 
cd7bd240
[    1.484225]  cd7bd258 c1931d5c cd7d3f3c c1034a3b c1931d50 cd7bd240 cd7d3f70 
c1034b93
[    1.484225] Call Trace:
[    1.484225]  [<c1104d62>] xfs_buf_iodone_work+0x6e/0x7b
[    1.484225]  [<c103496f>] process_one_work+0x11b/0x1cc
[    1.484225]  [<c1034a3b>] process_scheduled_works+0x1b/0x21
[    1.484225]  [<c1034b93>] rescuer_thread+0x152/0x1df
[    1.484225]  [<c1034a41>] ? process_scheduled_works+0x21/0x21
[    1.484225]  [<c103893f>] kthread+0x6d/0x72
[    1.484225]  [<c164f737>] ret_from_kernel_thread+0x1b/0x28
[    1.484225]  [<c10388d2>] ? init_completion+0x1d/0x1d
[    1.484225] Code: e8 ee fe ff ff ba 64 00 00 00 b8 dc 5c 86 c1 e8 7b 4a f1 
ff 83 c4 14 c9 c3 55 89 e5 51 52 50 68 0a 5d 86 c1 6a 00 e8 20 fe ff ff <0f> 0b 
55 89 e5 6a 01 52 50 6a 01 6a 10 b9 01 00 00 00 ba f2 b2
[    1.484225] EIP: [<c1111d0d>] assfail+0x12/0x14 SS:ESP 0068:cd7d3ee4
[    1.518339] ---[ end trace f35c856e01c71e78 ]---
[    1.519327] BUG: unable to handle kernel paging request at fffffff0

dmesg-yocto-athens-40:20131010125803:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.477314] block nbd12: Attempted send on closed socket
[    1.478214] end_request: I/O error, dev nbd12, sector 0
[    1.479326] block nbd2: Attempted send on closed socket
[    1.480278] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.481513] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.482479] *pdpt = 000000000cf98001 *pde = 0000000000000000 
[    1.483569] Oops: 0000 [#1] 
[    1.483605] CPU: 0 PID: 659 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.483605] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.483605] task: cce817a0 ti: cec0a000 task.ti: cc46c000
[    1.483605] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.483605] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.483605] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.483605] ESI: c10343ba EDI: ccffc258 EBP: cec0bf94 ESP: cec0bf80
[    1.483605]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.483605] CR0: 8005003b CR2: 00000004 CR3: 0bd1d000 CR4: 000006b0
[    1.483605] Stack:
[    1.483605]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.483605]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.483605]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.483605] Call Trace:
[    1.483605]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.483605]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.483605]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.483605]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.483605]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.483605]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.483605]  <IRQ> 
[    1.483605]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.483605]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.483605]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.483605]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.483605]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.483605]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.483605]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.483605]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.483605]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.483605]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.483605]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.483605]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.483605]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.483605]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.483605]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.483605]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.483605]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.483605]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.483605]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.483605]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.483605]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.483605]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.483605]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.483605]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.483605]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.483605]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.483605]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.483605]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.483605]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.483605]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.483605]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.483605]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.483605]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.483605]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.483605]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.483605]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.483605] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.483605] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.483605] CR2: 0000000000000004
[    1.483605] ---[ end trace fecdee9398e5887d ]---
[    1.483605] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-40:20131010130532:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.471018] end_request: I/O error, dev nbd14, sector 0
[    1.471900] block nbd13: Attempted send on closed socket
[    1.472774] end_request: I/O error, dev nbd13, sector 0
[    1.473636] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.474851] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.475813] *pdpt = 000000000c9fc001 *pde = 0000000000000000 
[    1.476872] Oops: 0000 [#1] 
[    1.476964] CPU: 0 PID: 661 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.476964] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.476964] task: cca88360 ti: cec0a000 task.ti: cbcdc000
[    1.476964] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.476964] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.476964] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.476964] ESI: c10343ba EDI: cc80dd58 EBP: cec0bf94 ESP: cec0bf80
[    1.476964]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.476964] CR0: 8005003b CR2: 00000004 CR3: 0cdac000 CR4: 000006b0
[    1.476964] Stack:
[    1.476964]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.476964]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.476964]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.476964] Call Trace:
[    1.476964]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.476964]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.476964]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.476964]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.476964]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.476964]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.476964]  <IRQ> 
[    1.476964]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.476964]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.476964]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.476964]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.476964]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.476964]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.476964]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.476964]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.476964]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.476964]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.476964]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.476964]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.476964]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.476964]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.476964]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.476964]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.476964]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.476964]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.476964]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.476964]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.476964]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.476964]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.476964]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.476964]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.476964]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.476964]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.476964]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.476964]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.476964]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.476964]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.476964] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.476964] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.476964] CR2: 0000000000000004
[    1.476964] ---[ end trace f212b9da673a7d98 ]---
[    1.476964] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-41:20131010130001:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.474746] end_request: I/O error, dev nbd7, sector 0
[    1.475813] block nbd8: Attempted send on closed socket
[    1.476681] end_request: I/O error, dev nbd8, sector 0
[    1.477550] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.478790] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.479745] *pdpt = 000000000b9e1001 *pde = 0000000000000000 
[    1.480804] Oops: 0000 [#1] 
[    1.480876] CPU: 0 PID: 660 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.480876] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.480876] task: ccd8bb00 ti: cec0a000 task.ti: cce7e000
[    1.480876] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.480876] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.480876] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.480876] ESI: c10343ba EDI: ccf22158 EBP: cec0bf94 ESP: cec0bf80
[    1.480876]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.480876] CR0: 8005003b CR2: 00000004 CR3: 0c7f6000 CR4: 000006b0
[    1.480876] Stack:
[    1.480876]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.480876]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.480876]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.480876] Call Trace:
[    1.480876]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.480876]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.480876]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.480876]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.480876]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.480876]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.480876]  <IRQ> 
[    1.480876]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.480876]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.480876]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.480876]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.480876]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.480876]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.480876]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.480876]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.480876]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.480876]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.480876]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.480876]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.480876]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.480876]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.480876]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.480876]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.480876]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.480876]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.480876]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.480876]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.480876]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.480876]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.480876]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.480876]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.480876]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.480876]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.480876]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.480876]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.480876]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.480876]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.480876] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.480876] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.480876] CR2: 0000000000000004
[    1.480876] ---[ end trace 4012db078a2be5a8 ]---
[    1.480876] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-42:20131010130434:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.432774] block nbd15: Attempted send on closed socket
[    1.433622] end_request: I/O error, dev nbd15, sector 0
[    1.434631] block nbd13: Attempted send on closed socket
[    1.435492] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.436663] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.437586] *pdpt = 000000000cbc6001 *pde = 0000000000000000 
[    1.438592] Oops: 0000 [#1] 
[    1.438820] CPU: 0 PID: 665 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.438820] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.438820] task: ccaded80 ti: cec0a000 task.ti: ccec8000
[    1.438820] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.438820] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.438820] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.438820] ESI: c10343ba EDI: cbc0c358 EBP: cec0bf94 ESP: cec0bf80
[    1.438820]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.438820] CR0: 8005003b CR2: 00000004 CR3: 0cb95000 CR4: 000006b0
[    1.438820] Stack:
[    1.438820]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.438820]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.438820]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.438820] Call Trace:
[    1.438820]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.438820]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.438820]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.438820]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.438820]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.438820]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.438820]  <IRQ> 
[    1.438820]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.438820]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.438820]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.438820]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.438820]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.438820]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.438820]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.438820]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.438820]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.438820]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.438820]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.438820]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.438820]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.438820]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.438820]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.438820]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.438820]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.438820]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.438820]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.438820]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.438820]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.438820]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.438820]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.438820]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.438820]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.438820]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.438820]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.438820]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.438820]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.438820]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.438820]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.438820]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.438820]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.438820]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.438820]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.438820]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.438820] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.438820] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.438820] CR2: 0000000000000004
[    1.438820] ---[ end trace 6f40c390c5978ba3 ]---
[    1.438820] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-42:20131010130743:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.459865] end_request: I/O error, dev nbd14, sector 0
[    1.460932] block nbd13: Attempted send on closed socket
[    1.461813] end_request: I/O error, dev nbd13, sector 0
[    1.462714] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.463959] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.464929] *pdpt = 000000000c658001 *pde = 0000000000000000 
[    1.465993] Oops: 0000 [#1] 
[    1.466042] CPU: 0 PID: 655 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.466042] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.466042] task: cc6ff440 ti: cec0a000 task.ti: cc74a000
[    1.466042] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.466042] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.466042] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.466042] ESI: c10343ba EDI: ccfa3358 EBP: cec0bf94 ESP: cec0bf80
[    1.466042]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.466042] CR0: 8005003b CR2: 00000004 CR3: 0ce28000 CR4: 000006b0
[    1.466042] Stack:
[    1.466042]  c1931d60 cec7323c 00000100 c10343ba cd07c938 cec0bfa4 c102cd96 
c1a52700
[    1.466042]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.466042]  cd07c938 cd07c938 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.466042] Call Trace:
[    1.466042]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.466042]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.466042]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.466042]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.466042]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.466042]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.466042]  <IRQ> 
[    1.466042]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.466042]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.466042]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.466042]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.466042]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.466042]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.466042]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.466042]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.466042]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.466042]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.466042]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.466042]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.466042]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.466042]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.466042]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.466042]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.466042]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.466042]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.466042]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.466042]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.466042]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.466042]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.466042]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.466042]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.466042]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.466042]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.466042]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.466042]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.466042]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.466042]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.466042] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.466042] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.466042] CR2: 0000000000000004
[    1.466042] ---[ end trace da708aefbf8f86c4 ]---
[    1.466042] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-42:20131010131020:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.451656] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[    1.452736] usb 1-1: Product: NCM Gadget
[    1.453442] usb 1-1: Manufacturer: Linux 3.12.0-rc4 with dummy_udc
[    1.454461] BUG: unable to handle kernel paging request at 00680074
[    1.455585] IP: [<c164de81>] __up.isra.0+0x3/0x28
[    1.456453] *pdpt = 000000000c710001 *pde = 0000000000000000 
[    1.457512] Oops: 0000 [#1] 
[    1.457772] CPU: 0 PID: 26 Comm: xfslogd Not tainted 3.12.0-rc4 #2
[    1.457772] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.457772] Workqueue: xfslogd xfs_buf_iodone_work
[    1.457772] task: cd7770e0 ti: cd7d2000 task.ti: cd7d2000
[    1.457772] EIP: 0060:[<c164de81>] EFLAGS: 00010013 CPU: 0
[    1.457772] EIP is at __up.isra.0+0x3/0x28
[    1.457772] EAX: 00680074 EBX: cce50024 ECX: 00000000 EDX: cce50028
[    1.457772] ESI: 00000286 EDI: cce50000 EBP: cd7d3ed4 ESP: cd7d3ed4
[    1.457772]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[    1.457772] CR0: 8005003b CR2: 00680074 CR3: 0cf5d000 CR4: 000006b0
[    1.457772] Stack:
[    1.457772]  cd7d3ee4 c103bcf8 cce50000 cce50058 cd7d3eec c1104c24 cd7d3ef8 
c1104c31
[    1.457772]  cd7bd200 cd7d3f0c c1104d42 cd7bd240 cce50058 c1931d50 cd7d3f2c 
c103496f
[    1.457772]  00000000 cfff5800 00000000 cd7bd240 cd7bd258 c1931d5c cd7d3f3c 
c1034a3b
[    1.457772] Call Trace:
[    1.457772]  [<c103bcf8>] up+0x2c/0x41
[    1.457772]  [<c1104c24>] xfs_buf_unlock+0x15/0x17
[    1.457772]  [<c1104c31>] xfs_buf_relse+0xb/0x15
[    1.457772]  [<c1104d42>] xfs_buf_iodone_work+0x4e/0x7b
[    1.457772]  [<c103496f>] process_one_work+0x11b/0x1cc
[    1.457772]  [<c1034a3b>] process_scheduled_works+0x1b/0x21
[    1.457772]  [<c1034b93>] rescuer_thread+0x152/0x1df
[    1.457772]  [<c1034a41>] ? process_scheduled_works+0x21/0x21
[    1.457772]  [<c103893f>] kthread+0x6d/0x72
[    1.457772]  [<c164f737>] ret_from_kernel_thread+0x1b/0x28
[    1.457772]  [<c10388d2>] ? init_completion+0x1d/0x1d
[    1.457772] Code: 31 c9 ba 2f 00 00 00 b8 63 3a 85 c1 e8 a9 16 9f ff ba 01 
00 ff ff 89 d8 0f c1 10 66 85 d2 74 05 e8 39 51 b7 ff 5b 5d c3 55 89 e5 <8b> 08 
8b 50 04 89 51 04 89 0a c7 00 00 01 10 00 c7 40 04 00 02
[    1.457772] EIP: [<c164de81>] __up.isra.0+0x3/0x28 SS:ESP 0068:cd7d3ed4
[    1.457772] CR2: 0000000000680074
[    1.457772] ---[ end trace 26fc8c62d0a0b4fb ]---
[    1.457772] BUG: sleeping function called from invalid context at 
kernel/rwsem.c:20

dmesg-yocto-athens-43:20131010125758:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.492750] block nbd15: Attempted send on closed socket
[    1.493644] end_request: I/O error, dev nbd15, sector 0
[    1.494727] block nbd14: Attempted send on closed socket
[    1.495633] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.496880] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.497867] *pdpt = 000000000d3d4001 *pde = 0000000000000000 
[    1.498930] Oops: 0000 [#1] 
[    1.498960] CPU: 0 PID: 663 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.498960] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.498960] task: ccde17a0 ti: cec0a000 task.ti: cd098000
[    1.498960] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.498960] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.498960] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.498960] ESI: c10343ba EDI: cd127c58 EBP: cec0bf94 ESP: cec0bf80
[    1.498960]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.498960] CR0: 8005003b CR2: 00000004 CR3: 0cc04000 CR4: 000006b0
[    1.498960] Stack:
[    1.498960]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.498960]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.498960]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.498960] Call Trace:
[    1.498960]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.498960]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.498960]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.498960]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.498960]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.498960]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.498960]  <IRQ> 
[    1.498960]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.498960]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.498960]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.498960]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.498960]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.498960]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.498960]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.498960]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.498960]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.498960]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.498960]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.498960]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.498960]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.498960]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.498960]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.498960]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.498960]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.498960]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.498960]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.498960]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.498960]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.498960]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.498960]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.498960]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.498960]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.498960]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.498960]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.498960]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.498960]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.498960]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.498960]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.498960]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.498960]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.498960]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.498960]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.498960]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.498960] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.498960] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.498960] CR2: 0000000000000004
[    1.498960] ---[ end trace 12354d07e52628c3 ]---
[    1.498960] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-43:20131010130545:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.441979] end_request: I/O error, dev nbd14, sector 0
[    1.442990] block nbd15: Attempted send on closed socket
[    1.443840] end_request: I/O error, dev nbd15, sector 0
[    1.444696] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.445877] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.446804] *pdpt = 000000000ce46001 *pde = 0000000000000000 
[    1.447827] Oops: 0000 [#1] 
[    1.448024] CPU: 0 PID: 671 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.448024] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.448024] task: c0ddc360 ti: cec0a000 task.ti: cd0c2000
[    1.448024] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.448024] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.448024] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.448024] ESI: c10343ba EDI: cd161958 EBP: cec0bf94 ESP: cec0bf80
[    1.448024]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.448024] CR0: 8005003b CR2: 00000004 CR3: 0ce34000 CR4: 000006b0
[    1.448024] Stack:
[    1.448024]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.448024]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.448024]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.448024] Call Trace:
[    1.448024]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.448024]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.448024]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.448024]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.448024]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.448024]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.448024]  <IRQ> 
[    1.448024]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.448024]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.448024]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.448024]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.448024]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.448024]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.448024]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.448024]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.448024]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.448024]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.448024]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.448024]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.448024]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.448024]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.448024]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.448024]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.448024]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.448024]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.448024]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.448024]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.448024]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.448024]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.448024]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.448024]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.448024]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.448024]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.448024]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.448024]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.448024]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.448024]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.448024] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.448024] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.448024] CR2: 0000000000000004
[    1.448024] ---[ end trace ffbe2700fe26b3c3 ]---
[    1.448024] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-44:20131010125749:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.445225] end_request: I/O error, dev nbd14, sector 0
[    1.446229] block nbd11: Attempted send on closed socket
[    1.447077] end_request: I/O error, dev nbd11, sector 0
[    1.447925] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.449102] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.450024] *pdpt = 000000000be3f001 *pde = 0000000000000000 
[    1.451037] Oops: 0000 [#1] 
[    1.451254] CPU: 0 PID: 659 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.451254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.451254] task: ccf6bb00 ti: cec0a000 task.ti: ccb66000
[    1.451254] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.451254] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.451254] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.451254] ESI: c10343ba EDI: cc8fd158 EBP: cec0bf94 ESP: cec0bf80
[    1.451254]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.451254] CR0: 8005003b CR2: 00000004 CR3: 0cfcb000 CR4: 000006b0
[    1.451254] Stack:
[    1.451254]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.451254]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.451254]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.451254] Call Trace:
[    1.451254]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.451254]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.451254]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.451254]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.451254]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.451254]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.451254]  <IRQ> 
[    1.451254]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.451254]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.451254]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.451254]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.451254]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.451254]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.451254]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.451254]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.451254]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.451254]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.451254]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.451254]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.451254]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.451254]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.451254]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.451254]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.451254]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.451254]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.451254]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.451254]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.451254]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.451254]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.451254]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.451254]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.451254]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.451254]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.451254]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.451254]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.451254]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.451254]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.451254] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.451254] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.451254] CR2: 0000000000000004
[    1.451254] ---[ end trace 83582f761d6ef4cc ]---
[    1.451254] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-44:20131010125854:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.467207] usbip-host 1-1:1.0: 1-1 is not in match_busid table... skip!
[    1.468472] block nbd3: Attempted send on closed socket
[    1.469321] end_request: I/O error, dev nbd3, sector 0
[    1.470166] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.471384] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.472315] *pdpt = 000000000c9ed001 *pde = 0000000000000000 
[    1.473358] Oops: 0000 [#1] 
[    1.473495] CPU: 0 PID: 663 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.473495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.473495] task: cce7c000 ti: cec0a000 task.ti: cc950000
[    1.473495] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.473495] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.473495] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.473495] ESI: c10343ba EDI: cc811a58 EBP: cec0bf94 ESP: cec0bf80
[    1.473495]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.473495] CR0: 8005003b CR2: 00000004 CR3: 0c81c000 CR4: 000006b0
[    1.473495] Stack:
[    1.473495]  c1931d60 cec7323c 00000100 c10343ba cd07c938 cec0bfa4 c102cd96 
c1a52700
[    1.473495]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.473495]  cd07c938 cd07c938 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.473495] Call Trace:
[    1.473495]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.473495]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.473495]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.473495]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.473495]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.473495]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.473495]  <IRQ> 
[    1.473495]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.473495]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.473495]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.473495]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.473495]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.473495]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.473495]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.473495]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.473495]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.473495]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.473495]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.473495]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.473495]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.473495]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.473495]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.473495]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.473495]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.473495]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.473495]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.473495]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.473495]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.473495]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.473495]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.473495]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.473495]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.473495]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.473495]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.473495]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.473495]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.473495]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.473495] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.473495] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.473495] CR2: 0000000000000004
[    1.473495] ---[ end trace 601296d40166513c ]---
[    1.473495] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-44:20131010125938:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.437271] end_request: I/O error, dev nbd13, sector 0
[    1.438277] block nbd12: Attempted send on closed socket
[    1.439131] end_request: I/O error, dev nbd12, sector 0
[    1.439968] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.441138] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.442061] *pdpt = 000000000d09a001 *pde = 0000000000000000 
[    1.443072] Oops: 0000 [#1] 
[    1.443295] CPU: 0 PID: 661 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.443295] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.443295] task: c05bc000 ti: cec0a000 task.ti: cd0d4000
[    1.443295] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.443295] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.443295] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.443295] ESI: c10343ba EDI: c04d8058 EBP: cec0bf94 ESP: cec0bf80
[    1.443295]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.443295] CR0: 8005003b CR2: 00000004 CR3: 0ce77000 CR4: 000006b0
[    1.443295] Stack:
[    1.443295]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.443295]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.443295]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.443295] Call Trace:
[    1.443295]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.443295]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.443295]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.443295]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.443295]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.443295]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.443295]  <IRQ> 
[    1.443295]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.443295]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.443295]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.443295]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.443295]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.443295]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.443295]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.443295]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.443295]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.443295]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.443295]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.443295]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.443295]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.443295]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.443295]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.443295]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.443295]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.443295]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.443295]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.443295]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.443295]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.443295]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.443295]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.443295]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.443295]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.443295]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.443295]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.443295]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.443295]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.443295]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.443295] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.443295] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.443295] CR2: 0000000000000004
[    1.443295] ---[ end trace 534a8b6de3f770c1 ]---
[    1.443295] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-45:20131010130316:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.481808] block nbd12: Attempted send on closed socket
[    1.482718] end_request: I/O error, dev nbd12, sector 0
[    1.483824] block nbd15: Attempted send on closed socket
[    1.484754] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.486012] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.487000] *pdpt = 000000000d025001 *pde = 0000000000000000 
[    1.488082] Oops: 0000 [#1] 
[    1.488082] CPU: 0 PID: 654 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.488082] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.488082] task: c008ed80 ti: cec0a000 task.ti: cd1ea000
[    1.488082] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.488082] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.488082] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.488082] ESI: c10343ba EDI: cd0dc358 EBP: cec0bf94 ESP: cec0bf80
[    1.488082]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.488082] CR0: 8005003b CR2: 00000004 CR3: 0d01b000 CR4: 000006b0
[    1.488082] Stack:
[    1.488082]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.488082]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.488082]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.488082] Call Trace:
[    1.488082]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.488082]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.488082]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.488082]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.488082]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.488082]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.488082]  <IRQ> 
[    1.488082]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.488082]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.488082]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.488082]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.488082]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.488082]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.488082]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.488082]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.488082]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.488082]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.488082]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.488082]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.488082]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.488082]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.488082]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.488082]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.488082]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.488082]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.488082]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.488082]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.488082]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.488082]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.488082]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.488082]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.488082]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.488082]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.488082]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.488082]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.488082]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.488082]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.488082]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.488082]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.488082]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.488082]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.488082]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.488082]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.488082] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.488082] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.488082] CR2: 0000000000000004
[    1.488082] ---[ end trace d86c2eda232a73f4 ]---
[    1.488082] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-45:20131010130357:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.481629] block nbd13: Attempted send on closed socket
[    1.482520] end_request: I/O error, dev nbd13, sector 0
[    1.483556] block nbd14: Attempted send on closed socket
[    1.484452] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.485678] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.486638] *pdpt = 000000000be9d001 *pde = 0000000000000000 
[    1.487713] Oops: 0000 [#1] 
[    1.487780] CPU: 0 PID: 675 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.487780] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.487780] task: ccef2360 ti: cec0a000 task.ti: cbe4c000
[    1.487780] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.487780] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.487780] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.487780] ESI: c10343ba EDI: ccf91258 EBP: cec0bf94 ESP: cec0bf80
[    1.487780]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.487780] CR0: 8005003b CR2: 00000004 CR3: 0bcd3000 CR4: 000006b0
[    1.487780] Stack:
[    1.487780]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.487780]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.487780]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.487780] Call Trace:
[    1.487780]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.487780]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.487780]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.487780]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.487780]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.487780]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.487780]  <IRQ> 
[    1.487780]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.487780]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.487780]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.487780]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.487780]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.487780]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.487780]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.487780]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.487780]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.487780]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.487780]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.487780]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.487780]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.487780]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.487780]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.487780]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.487780]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.487780]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.487780]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.487780]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.487780]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.487780]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.487780]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.487780]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.487780]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.487780]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.487780]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.487780]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.487780]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.487780]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.487780]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.487780]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.487780]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.487780]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.487780]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.487780]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.487780] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.487780] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.487780] CR2: 0000000000000004
[    1.487780] ---[ end trace 34e8cef3a442d2ef ]---
[    1.487780] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-45:20131010131012:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.452135] block nbd2: Attempted send on closed socket
[    1.452986] end_request: I/O error, dev nbd2, sector 0
[    1.453988] block nbd15: Attempted send on closed socket
[    1.454856] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.456037] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.456962] *pdpt = 000000000cd40001 *pde = 0000000000000000 
[    1.457984] Oops: 0000 [#1] 
[    1.458184] CPU: 0 PID: 656 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.458184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.458184] task: cd132a20 ti: cec0a000 task.ti: cd2b6000
[    1.458184] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.458184] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.458184] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.458184] ESI: c10343ba EDI: cd1af158 EBP: cec0bf94 ESP: cec0bf80
[    1.458184]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.458184] CR0: 8005003b CR2: 00000004 CR3: 0ce1b000 CR4: 000006b0
[    1.458184] Stack:
[    1.458184]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.458184]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.458184]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.458184] Call Trace:
[    1.458184]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.458184]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.458184]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.458184]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.458184]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.458184]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.458184]  <IRQ> 
[    1.458184]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.458184]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.458184]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.458184]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.458184]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.458184]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.458184]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.458184]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.458184]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.458184]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.458184]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.458184]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.458184]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.458184]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.458184]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.458184]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.458184]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.458184]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.458184]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.458184]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.458184]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.458184]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.458184]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.458184]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.458184]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.458184]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.458184]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.458184]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.458184]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.458184]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.458184]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.458184]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.458184]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.458184]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.458184]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.458184]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.458184]  [<c1640000>] ? nfc_hci_target_discovered+0xb4/0x1cf
[    1.458184] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.458184] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.458184] CR2: 0000000000000004
[    1.458184] ---[ end trace 1c398db476cee600 ]---
[    1.458184] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-46:20131010125726:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.477297] block nbd14: Attempted send on closed socket
[    1.478503] end_request: I/O error, dev nbd14, sector 0
[    1.479755] block nbd12: Attempted send on closed socket
[    1.480986] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.482630] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.483759] *pdpt = 000000000bc73001 *pde = 0000000000000000 
[    1.484312] Oops: 0000 [#1] 
[    1.484312] CPU: 0 PID: 658 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.484312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.484312] task: ccef4a20 ti: cec0a000 task.ti: ccff2000
[    1.484312] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.484312] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.484312] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.484312] ESI: c10343ba EDI: cc50f758 EBP: cec0bf94 ESP: cec0bf80
[    1.484312]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.484312] CR0: 8005003b CR2: 00000004 CR3: 0cfdc000 CR4: 000006b0
[    1.484312] Stack:
[    1.484312]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.484312]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.484312]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.484312] Call Trace:
[    1.484312]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.484312]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.484312]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.484312]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.484312]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.484312]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.484312]  <IRQ> 
[    1.484312]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.484312]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.484312]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.484312]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.484312]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.484312]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.484312]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.484312]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.484312]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.484312]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.484312]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.484312]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.484312]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.484312]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.484312]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.484312]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.484312]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.484312]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.484312]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.484312]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.484312]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.484312]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.484312]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.484312]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.484312]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.484312]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.484312]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.484312]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.484312]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.484312]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.484312]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.484312]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.484312]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.484312]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.484312]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.484312]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.484312] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.484312] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.484312] CR2: 0000000000000004
[    1.484312] ---[ end trace 792e99a62f65d80e ]---
[    1.484312] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-48:20131010130636:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.505868] block nbd11: Attempted send on closed socket
[    1.506788] end_request: I/O error, dev nbd11, sector 0
[    1.507874] block nbd0: Attempted send on closed socket
[    1.508799] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.510082] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.511085] *pdpt = 000000000bd21001 *pde = 0000000000000000 
[    1.512128] Oops: 0000 [#1] 
[    1.512128] CPU: 0 PID: 653 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.512128] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.512128] task: ccfc2d80 ti: cec0a000 task.ti: ccfe6000
[    1.512128] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.512128] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.512128] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.512128] ESI: c10343ba EDI: ccf36158 EBP: cec0bf94 ESP: cec0bf80
[    1.512128]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.512128] CR0: 8005003b CR2: 00000004 CR3: 0cb5f000 CR4: 000006b0
[    1.512128] Stack:
[    1.512128]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.512128]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.512128]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.512128] Call Trace:
[    1.512128]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.512128]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.512128]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.512128]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.512128]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.512128]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.512128]  <IRQ> 
[    1.512128]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.512128]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.512128]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.512128]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.512128]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.512128]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.512128]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.512128]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.512128]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.512128]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.512128]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.512128]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.512128]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.512128]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.512128]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.512128]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.512128]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.512128]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.512128]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.512128]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.512128]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.512128]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.512128]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.512128]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.512128]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.512128]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.512128]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.512128]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.512128]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.512128]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.512128]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.512128]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.512128]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.512128]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.512128]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.512128]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.512128] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.512128] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.512128] CR2: 0000000000000004
[    1.512128] ---[ end trace 12c515b252fc0712 ]---
[    1.512128] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-48:20131010130850:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.477426] end_request: I/O error, dev nbd11, sector 0
[    1.478467] block nbd0: Attempted send on closed socket
[    1.479348] end_request: I/O error, dev nbd0, sector 0
[    1.480231] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.481462] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.482431] *pdpt = 000000000ce1d001 *pde = 0000000000000000 
[    1.483499] Oops: 0000 [#1] 
[    1.483559] CPU: 0 PID: 659 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.483559] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.483559] task: ccdf90e0 ti: cec0a000 task.ti: cccc6000
[    1.483559] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.483559] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.483559] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.483559] ESI: c10343ba EDI: c0522158 EBP: cec0bf94 ESP: cec0bf80
[    1.483559]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.483559] CR0: 8005003b CR2: 00000004 CR3: 0cf21000 CR4: 000006b0
[    1.483559] Stack:
[    1.483559]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.483559]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.483559]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.483559] Call Trace:
[    1.483559]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.483559]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.483559]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.483559]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.483559]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.483559]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.483559]  <IRQ> 
[    1.483559]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.483559]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.483559]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.483559]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.483559]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.483559]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.483559]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.483559]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.483559]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.483559]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.483559]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.483559]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.483559]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.483559]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.483559]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.483559]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.483559]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.483559]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.483559]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.483559]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.483559]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.483559]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.483559]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.483559]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.483559]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.483559]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.483559]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.483559]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.483559]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.483559]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.483559] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.483559] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.483559] CR2: 0000000000000004
[    1.483559] ---[ end trace cb7b814ec0824988 ]---
[    1.483559] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-48:20131010131309:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.436307] end_request: I/O error, dev nbd13, sector 0
[    1.437311] block nbd14: Attempted send on closed socket
[    1.438160] end_request: I/O error, dev nbd14, sector 0
[    1.438998] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.440174] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.441090] *pdpt = 000000000c8d7001 *pde = 0000000000000000 
[    1.442104] Oops: 0000 [#1] 
[    1.442326] CPU: 0 PID: 657 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.442326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.442326] task: cc9a3b00 ti: cec0a000 task.ti: cca3c000
[    1.442326] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.442326] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.442326] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.442326] ESI: c10343ba EDI: cd082e58 EBP: cec0bf94 ESP: cec0bf80
[    1.442326]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.442326] CR0: 8005003b CR2: 00000004 CR3: 0c936000 CR4: 000006b0
[    1.442326] Stack:
[    1.442326]  c1931d60 cec7323c 00000100 c10343ba c012e938 cec0bfa4 c102cd96 
c1a52700
[    1.442326]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.442326]  c012e938 c012e938 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.442326] Call Trace:
[    1.442326]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.442326]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.442326]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.442326]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.442326]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.442326]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.442326]  <IRQ> 
[    1.442326]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.442326]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.442326]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.442326]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.442326]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.442326]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.442326]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.442326]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.442326]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.442326]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.442326]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.442326]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.442326]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.442326]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.442326]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.442326]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.442326]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.442326]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.442326]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.442326]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.442326]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.442326]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.442326]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.442326]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.442326]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.442326]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.442326]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.442326]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.442326]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.442326]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.442326] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.442326] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.442326] CR2: 0000000000000004
[    1.442326] ---[ end trace 05a2255cc97892ed ]---
[    1.442326] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-4:20131010130541:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.457139] end_request: I/O error, dev nbd8, sector 0
[    1.457993] block nbd2: Attempted send on closed socket
[    1.458837] end_request: I/O error, dev nbd2, sector 0
[    1.459677] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.460870] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.461808] *pdpt = 000000000bcc7001 *pde = 0000000000000000 
[    1.462835] Oops: 0000 [#1] 
[    1.463006] CPU: 0 PID: 658 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.463006] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.463006] task: ccf417a0 ti: cec0a000 task.ti: cc95a000
[    1.463006] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.463006] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.463006] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.463006] ESI: c10343ba EDI: cc8aa958 EBP: cec0bf94 ESP: cec0bf80
[    1.463006]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.463006] CR0: 8005003b CR2: 00000004 CR3: 0bceb000 CR4: 000006b0
[    1.463006] Stack:
[    1.463006]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.463006]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.463006]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.463006] Call Trace:
[    1.463006]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.463006]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.463006]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.463006]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.463006]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.463006]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.463006]  <IRQ> 
[    1.463006]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.463006]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.463006]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.463006]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.463006]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.463006]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.463006]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.463006]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.463006]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.463006]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.463006]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.463006]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.463006]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.463006]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.463006]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.463006]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.463006]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.463006]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.463006]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.463006]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.463006]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.463006]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.463006]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.463006]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.463006]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.463006]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.463006]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.463006]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.463006]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.463006]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.463006] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.463006] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.463006] CR2: 0000000000000004
[    1.463006] ---[ end trace 71de1e3b78fd827b ]---
[    1.463006] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-5:20131010130430:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.476005] end_request: I/O error, dev nbd12, sector 0
[    1.476886] block nbd2: Attempted send on closed socket
[    1.477727] end_request: I/O error, dev nbd2, sector 0
[    1.478573] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.479763] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.480705] *pdpt = 000000000bd9f001 *pde = 0000000000000000 
[    1.481736] Oops: 0000 [#1] 
[    1.481900] CPU: 0 PID: 662 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.481900] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.481900] task: ccff30e0 ti: cec0a000 task.ti: ccf7e000
[    1.481900] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.481900] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.481900] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.481900] ESI: c10343ba EDI: cce4d158 EBP: cec0bf94 ESP: cec0bf80
[    1.481900]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.481900] CR0: 8005003b CR2: 00000004 CR3: 0c424000 CR4: 000006b0
[    1.481900] Stack:
[    1.481900]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.481900]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.481900]  cec0bfc0 cec0bfc0 00000101 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.481900] Call Trace:
[    1.481900]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.481900]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.481900]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.481900]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.481900]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.481900]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.481900]  <IRQ> 
[    1.481900]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.481900]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.481900]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.481900]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.481900]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.481900]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.481900]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.481900]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.481900]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.481900]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.481900]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.481900]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.481900]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.481900]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.481900]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.481900]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.481900]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.481900]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.481900]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.481900]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.481900]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.481900]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.481900]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.481900]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.481900]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.481900]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.481900]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.481900]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.481900]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.481900]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.481900] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.481900] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.481900] CR2: 0000000000000004
[    1.481900] ---[ end trace fff5c435f86a9a93 ]---
[    1.481900] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-5:20131010131333:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.430576] block nbd13: Attempted send on closed socket
[    1.431421] end_request: I/O error, dev nbd13, sector 0
[    1.432413] block nbd3: Attempted send on closed socket
[    1.433274] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.434427] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.435333] *pdpt = 000000000cca8001 *pde = 0000000000000000 
[    1.436335] Oops: 0000 [#1] 
[    1.436602] CPU: 0 PID: 673 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.436602] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.436602] task: c041b7a0 ti: cec0a000 task.ti: ccdd0000
[    1.436602] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.436602] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.436602] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.436602] ESI: c10343ba EDI: cd18a358 EBP: cec0bf94 ESP: cec0bf80
[    1.436602]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.436602] CR0: 8005003b CR2: 00000004 CR3: 0cdee000 CR4: 000006b0
[    1.436602] Stack:
[    1.436602]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.436602]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.436602]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.436602] Call Trace:
[    1.436602]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.436602]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.436602]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.436602]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.436602]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.436602]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.436602]  <IRQ> 
[    1.436602]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.436602]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.436602]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.436602]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.436602]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.436602]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.436602]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.436602]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.436602]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.436602]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.436602]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.436602]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.436602]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.436602]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.436602]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.436602]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.436602]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.436602]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.436602]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.436602]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.436602]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.436602]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.436602]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.436602]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.436602]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.436602]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.436602]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.436602]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.436602]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.436602]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.436602]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.436602]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.436602]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.436602]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.436602]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.436602]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.436602] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.436602] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.436602] CR2: 0000000000000004
[    1.436602] ---[ end trace 318b2be5d20b884d ]---
[    1.436602] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-6:20131010130850:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.451223] end_request: I/O error, dev nbd8, sector 0
[    1.452095] XFS: Assertion failed: read && bp->b_ops, file: 
fs/xfs/xfs_buf.c, line: 1005
[    1.453726] ------------[ cut here ]------------
[    1.454507] kernel BUG at fs/xfs/xfs_message.c:108!
[    1.455412] invalid opcode: 0000 [#1] 
[    1.455412] CPU: 0 PID: 26 Comm: xfslogd Not tainted 3.12.0-rc4 #2
[    1.455412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.455412] Workqueue: xfslogd xfs_buf_iodone_work
[    1.455412] task: cd7770e0 ti: cd7d2000 task.ti: cd7d2000
[    1.455412] EIP: 0060:[<c1111d0d>] EFLAGS: 00010292 CPU: 0
[    1.455412] EIP is at assfail+0x12/0x14
[    1.455412] EAX: 00000065 EBX: cd7bd200 ECX: 00000000 EDX: c1932fa8
[    1.455412] ESI: cce6cb58 EDI: cce6cb00 EBP: cd7d3ef8 ESP: cd7d3ee4
[    1.455412]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[    1.455412] CR0: 8005003b CR2: 08122e28 CR3: 0c733000 CR4: 000006b0
[    1.455412] Stack:
[    1.455412]  00000000 c1865d0a c1864ee7 c1864ca8 000003ed cd7d3f0c c1104d62 
cd7bd240
[    1.455412]  cce6cb58 c1931d50 cd7d3f2c c103496f 00000000 cfff5800 00000000 
cd7bd240
[    1.455412]  cd7bd258 c1931d5c cd7d3f3c c1034a3b c1931d50 cd7bd240 cd7d3f70 
c1034b93
[    1.455412] Call Trace:
[    1.455412]  [<c1104d62>] xfs_buf_iodone_work+0x6e/0x7b
[    1.455412]  [<c103496f>] process_one_work+0x11b/0x1cc
[    1.455412]  [<c1034a3b>] process_scheduled_works+0x1b/0x21
[    1.455412]  [<c1034b93>] rescuer_thread+0x152/0x1df
[    1.455412]  [<c1034a41>] ? process_scheduled_works+0x21/0x21
[    1.455412]  [<c103893f>] kthread+0x6d/0x72
[    1.455412]  [<c164f737>] ret_from_kernel_thread+0x1b/0x28
[    1.455412]  [<c10388d2>] ? init_completion+0x1d/0x1d
[    1.455412] Code: e8 ee fe ff ff ba 64 00 00 00 b8 dc 5c 86 c1 e8 7b 4a f1 
ff 83 c4 14 c9 c3 55 89 e5 51 52 50 68 0a 5d 86 c1 6a 00 e8 20 fe ff ff <0f> 0b 
55 89 e5 6a 01 52 50 6a 01 6a 10 b9 01 00 00 00 ba f2 b2
[    1.455412] EIP: [<c1111d0d>] assfail+0x12/0x14 SS:ESP 0068:cd7d3ee4
[    1.487225] ---[ end trace 27a1ebc64aa46b51 ]---
[    1.488148] BUG: unable to handle kernel paging request at fffffff0

dmesg-yocto-athens-7:20131010125912:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.462947] end_request: I/O error, dev nbd8, sector 0
[    1.463988] block nbd12: Attempted send on closed socket
[    1.464876] end_request: I/O error, dev nbd12, sector 0
[    1.465754] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.466961] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.467908] *pdpt = 000000000bc90001 *pde = 0000000000000000 
[    1.468957] Oops: 0000 [#1] 
[    1.469082] CPU: 0 PID: 659 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.469082] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.469082] task: cbc070e0 ti: cec0a000 task.ti: cc5b0000
[    1.469082] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.469082] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.469082] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.469082] ESI: c10343ba EDI: cce56758 EBP: cec0bf94 ESP: cec0bf80
[    1.469082]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.469082] CR0: 8005003b CR2: 00000004 CR3: 0cf02000 CR4: 000006b0
[    1.469082] Stack:
[    1.469082]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.469082]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.469082]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.469082] Call Trace:
[    1.469082]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.469082]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.469082]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.469082]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.469082]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.469082]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.469082]  <IRQ> 
[    1.469082]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.469082]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.469082]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.469082]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.469082]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.469082]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.469082]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.469082]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.469082]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.469082]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.469082]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.469082]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.469082]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.469082]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.469082]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.469082]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.469082]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.469082]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.469082]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.469082]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.469082]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.469082]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.469082]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.469082]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.469082]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.469082]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.469082]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.469082]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.469082]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.469082]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.469082] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.469082] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.469082] CR2: 0000000000000004
[    1.469082] ---[ end trace 2084dbe4c0620384 ]---
[    1.469082] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-7:20131010130736:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.418296] block nbd4: Attempted send on closed socket
[    1.419117] end_request: I/O error, dev nbd4, sector 0
[    1.420089] block nbd11: Attempted send on closed socket
[    1.420933] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.422079] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.422986] *pdpt = 000000000b867001 *pde = 0000000000000000 
[    1.423981] Oops: 0000 [#1] 
[    1.424262] CPU: 0 PID: 657 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.424262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.424262] task: cb93ad80 ti: cec0a000 task.ti: cce4a000
[    1.424262] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.424262] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.424262] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.424262] ESI: c10343ba EDI: cce5d258 EBP: cec0bf94 ESP: cec0bf80
[    1.424262]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.424262] CR0: 8005003b CR2: 00000004 CR3: 0b851000 CR4: 000006b0
[    1.424262] Stack:
[    1.424262]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.424262]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.424262]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.424262] Call Trace:
[    1.424262]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.424262]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.424262]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.424262]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.424262]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.424262]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.424262]  <IRQ> 
[    1.424262]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.424262]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.424262]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.424262]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.424262]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.424262]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.424262]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.424262]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.424262]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.424262]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.424262]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.424262]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.424262]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.424262]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.424262]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.424262]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.424262]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.424262]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.424262]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.424262]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.424262]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.424262]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.424262]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.424262]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.424262]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.424262]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.424262]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.424262]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.424262]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.424262]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.424262]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.424262]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.424262]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.424262]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.424262]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.424262]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.424262] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.424262] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.424262] CR2: 0000000000000004
[    1.424262] ---[ end trace d3dd70c1eef94f25 ]---
[    1.424262] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-7:20131010131342:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.455569] usbip-host 1-1:1.0: 1-1 is not in match_busid table... skip!
[    1.456824] block nbd0: Attempted send on closed socket
[    1.457694] end_request: I/O error, dev nbd0, sector 0
[    1.458552] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.459774] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.460721] *pdpt = 000000000c85a001 *pde = 0000000000000000 
[    1.461787] Oops: 0000 [#1] 
[    1.461880] CPU: 0 PID: 653 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.461880] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.461880] task: c0fa97a0 ti: cec0a000 task.ti: cd2ae000
[    1.461880] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.461880] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.461880] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.461880] ESI: c10343ba EDI: cd01e358 EBP: cec0bf94 ESP: cec0bf80
[    1.461880]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.461880] CR0: 8005003b CR2: 00000004 CR3: 0d22f000 CR4: 000006b0
[    1.461880] Stack:
[    1.461880]  c1931d60 cec7323c 00000100 c10343ba c012e938 cec0bfa4 c102cd96 
c1a52700
[    1.461880]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.461880]  c012e938 c012e938 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.461880] Call Trace:
[    1.461880]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.461880]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.461880]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.461880]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.461880]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.461880]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.461880]  <IRQ> 
[    1.461880]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.461880]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.461880]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.461880]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.461880]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.461880]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.461880]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.461880]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.461880]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.461880]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.461880]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.461880]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.461880]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.461880]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.461880]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.461880]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.461880]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.461880]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.461880]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.461880]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.461880]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.461880]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.461880]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.461880]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.461880]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.461880]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.461880]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.461880]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.461880]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.461880]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.461880] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.461880] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.461880] CR2: 0000000000000004
[    1.461880] ---[ end trace 30eb56289dad9dd1 ]---
[    1.461880] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-8:20131010125705:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.449782] end_request: I/O error, dev nbd12, sector 0
[    1.450841] block nbd13: Attempted send on closed socket
[    1.451705] end_request: I/O error, dev nbd13, sector 0
[    1.452578] BUG: unable to handle kernel paging request at 004d0020
[    1.453687] IP: [<c164de81>] __up.isra.0+0x3/0x28
[    1.454548] *pdpt = 000000000b9ba001 *pde = 0000000000000000 
[    1.455591] Oops: 0000 [#1] 
[    1.455896] CPU: 0 PID: 26 Comm: xfslogd Not tainted 3.12.0-rc4 #2
[    1.455896] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.455896] Workqueue: xfslogd xfs_buf_iodone_work
[    1.455896] task: cd7770e0 ti: cd7d2000 task.ti: cd7d2000
[    1.455896] EIP: 0060:[<c164de81>] EFLAGS: 00010013 CPU: 0
[    1.455896] EIP is at __up.isra.0+0x3/0x28
[    1.455896] EAX: 004d0020 EBX: ccf11424 ECX: 00000000 EDX: ccf11428
[    1.455896] ESI: 00000286 EDI: ccf11400 EBP: cd7d3ed4 ESP: cd7d3ed4
[    1.455896]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[    1.455896] CR0: 8005003b CR2: 004d0020 CR3: 0b9a9000 CR4: 000006b0
[    1.455896] Stack:
[    1.455896]  cd7d3ee4 c103bcf8 ccf11400 ccf11458 cd7d3eec c1104c24 cd7d3ef8 
c1104c31
[    1.455896]  cd7bd200 cd7d3f0c c1104d42 cd7bd240 ccf11458 c1931d50 cd7d3f2c 
c103496f
[    1.455896]  00000000 cfff5800 00000000 cd7bd240 cd7bd258 c1931d5c cd7d3f3c 
c1034a3b
[    1.455896] Call Trace:
[    1.455896]  [<c103bcf8>] up+0x2c/0x41
[    1.455896]  [<c1104c24>] xfs_buf_unlock+0x15/0x17
[    1.455896]  [<c1104c31>] xfs_buf_relse+0xb/0x15
[    1.455896]  [<c1104d42>] xfs_buf_iodone_work+0x4e/0x7b
[    1.455896]  [<c103496f>] process_one_work+0x11b/0x1cc
[    1.455896]  [<c1034a3b>] process_scheduled_works+0x1b/0x21
[    1.455896]  [<c1034b93>] rescuer_thread+0x152/0x1df
[    1.455896]  [<c1034a41>] ? process_scheduled_works+0x21/0x21
[    1.455896]  [<c103893f>] kthread+0x6d/0x72
[    1.455896]  [<c164f737>] ret_from_kernel_thread+0x1b/0x28
[    1.455896]  [<c10388d2>] ? init_completion+0x1d/0x1d
[    1.455896] Code: 31 c9 ba 2f 00 00 00 b8 63 3a 85 c1 e8 a9 16 9f ff ba 01 
00 ff ff 89 d8 0f c1 10 66 85 d2 74 05 e8 39 51 b7 ff 5b 5d c3 55 89 e5 <8b> 08 
8b 50 04 89 51 04 89 0a c7 00 00 01 10 00 c7 40 04 00 02
[    1.455896] EIP: [<c164de81>] __up.isra.0+0x3/0x28 SS:ESP 0068:cd7d3ed4
[    1.455896] CR2: 00000000004d0020
[    1.455896] ---[ end trace cc3ea8d1541e9e6e ]---
[    1.455896] BUG: sleeping function called from invalid context at 
kernel/rwsem.c:20

dmesg-yocto-athens-8:20131010125832:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.468542] end_request: I/O error, dev nbd13, sector 0
[    1.469576] block nbd14: Attempted send on closed socket
[    1.470451] end_request: I/O error, dev nbd14, sector 0
[    1.471305] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.472500] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.473444] *pdpt = 000000000cd73001 *pde = 0000000000000000 
[    1.474476] Oops: 0000 [#1] 
[    1.474633] CPU: 0 PID: 673 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.474633] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.474633] task: ccea17a0 ti: cec0a000 task.ti: ccdac000
[    1.474633] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.474633] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.474633] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.474633] ESI: c10343ba EDI: c0f70158 EBP: cec0bf94 ESP: cec0bf80
[    1.474633]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.474633] CR0: 8005003b CR2: 00000004 CR3: 0d02a000 CR4: 000006b0
[    1.474633] Stack:
[    1.474633]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.474633]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.474633]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.474633] Call Trace:
[    1.474633]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.474633]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.474633]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.474633]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.474633]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.474633]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.474633]  <IRQ> 
[    1.474633]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.474633]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.474633]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.474633]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.474633]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.474633]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.474633]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.474633]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.474633]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.474633]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.474633]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.474633]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.474633]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.474633]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.474633]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.474633]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.474633]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.474633]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.474633]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.474633]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.474633]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.474633]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.474633]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.474633]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.474633]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.474633]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.474633]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.474633]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.474633]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.474633]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.474633] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.474633] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.474633] CR2: 0000000000000004
[    1.474633] ---[ end trace f95da724158fc184 ]---
[    1.474633] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-8:20131010125944:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.473820] end_request: I/O error, dev nbd13, sector 0
[    1.474884] block nbd1: Attempted send on closed socket
[    1.475769] end_request: I/O error, dev nbd1, sector 0
[    1.476645] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.477888] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.478883] *pdpt = 000000000bc60001 *pde = 0000000000000000 
[    1.479966] Oops: 0000 [#1] 
[    1.479973] CPU: 0 PID: 663 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.479973] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.479973] task: cbc1f0e0 ti: cec0a000 task.ti: cce6c000
[    1.479973] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.479973] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.479973] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.479973] ESI: c10343ba EDI: cc81b658 EBP: cec0bf94 ESP: cec0bf80
[    1.479973]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.479973] CR0: 8005003b CR2: 00000004 CR3: 0cd70000 CR4: 000006b0
[    1.479973] Stack:
[    1.479973]  c1931d60 cec7323c 00000100 c10343ba cd07c938 cec0bfa4 c102cd96 
c1a52700
[    1.479973]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.479973]  cd07c938 cd07c938 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.479973] Call Trace:
[    1.479973]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.479973]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.479973]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.479973]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.479973]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.479973]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.479973]  <IRQ> 
[    1.479973]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.479973]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.479973]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.479973]  [<c126f5e2>] ? arch_local_irq_restore+0x5/0xb
[    1.479973]  [<c126f694>] ? spin_unlock_irqrestore.isra.4+0x8/0x14
[    1.479973]  [<c126f705>] ? nbd_end_request+0x65/0x6d
[    1.479973]  [<c126f784>] ? do_nbd_request+0x77/0xc1
[    1.479973]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.479973]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.479973]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.479973]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.479973]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.479973]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.479973]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.479973]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.479973]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.479973]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.479973]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.479973]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.479973]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.479973]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.479973]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.479973]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.479973]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.479973]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.479973]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.479973]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.479973]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.479973]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.479973]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.479973] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.479973] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.479973] CR2: 0000000000000004
[    1.479973] ---[ end trace a92f4c6fcc5fb4ba ]---
[    1.479973] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-athens-9:20131010131123:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    1.449887] block nbd10: Attempted send on closed socket
[    1.450726] end_request: I/O error, dev nbd10, sector 0
[    1.451724] block nbd11: Attempted send on closed socket
[    1.452588] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    1.453751] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    1.454671] *pdpt = 000000000d3b4001 *pde = 0000000000000000 
[    1.455676] Oops: 0000 [#1] 
[    1.455916] CPU: 0 PID: 673 Comm: mount Not tainted 3.12.0-rc4 #2
[    1.455916] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    1.455916] task: cd12c000 ti: cec0a000 task.ti: cc01e000
[    1.455916] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    1.455916] EIP is at pool_mayday_timeout+0x5f/0x9c
[    1.455916] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    1.455916] ESI: c10343ba EDI: c0e76e58 EBP: cec0bf94 ESP: cec0bf80
[    1.455916]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    1.455916] CR0: 8005003b CR2: 00000004 CR3: 0cf70000 CR4: 000006b0
[    1.455916] Stack:
[    1.455916]  c1931d60 cec7323c 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    1.455916]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    1.455916]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    1.455916] Call Trace:
[    1.455916]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.455916]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    1.455916]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    1.455916]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    1.455916]  [<c1028f61>] __do_softirq+0x87/0x12b
[    1.455916]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    1.455916]  <IRQ> 
[    1.455916]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    1.455916]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    1.455916]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    1.455916]  [<c1043f03>] ? arch_local_irq_restore+0x5/0xb
[    1.455916]  [<c10454d2>] ? vprintk_emit+0x299/0x2a3
[    1.455916]  [<c1259309>] ? dev_vprintk_emit+0x13d/0x145
[    1.455916]  [<c11b8c97>] ? cfq_set_request+0x169/0x173
[    1.455916]  [<c11aa6d7>] ? elv_rqhash_del.isra.19+0x11/0x13
[    1.455916]  [<c11aa9dc>] ? elv_dispatch_sort+0x20/0xa9
[    1.455916]  [<c1259326>] ? dev_printk_emit+0x15/0x17
[    1.455916]  [<c1259375>] ? __dev_printk+0x4d/0x58
[    1.455916]  [<c125944e>] ? dev_err+0x28/0x2a
[    1.455916]  [<c126f777>] ? do_nbd_request+0x6a/0xc1
[    1.455916]  [<c11abe4f>] ? __blk_run_queue_uncond+0x1e/0x27
[    1.455916]  [<c11abe6b>] ? __blk_run_queue+0x13/0x15
[    1.455916]  [<c11abfe8>] ? queue_unplugged.isra.56+0x13/0x1f
[    1.455916]  [<c11ad70b>] ? blk_flush_plug_list+0x140/0x14f
[    1.455916]  [<c11ad95f>] ? blk_finish_plug+0xd/0x27
[    1.455916]  [<c11051b6>] ? _xfs_buf_ioapply+0x236/0x24e
[    1.455916]  [<c110520f>] ? xfs_buf_iorequest+0x41/0x57
[    1.455916]  [<c110537d>] ? xfsbdstrat+0x1a/0x1c
[    1.455916]  [<c110551f>] ? xfs_buf_read_uncached+0x67/0x7a
[    1.455916]  [<c11122e8>] ? xfs_readsb+0x97/0x160
[    1.455916]  [<c111549b>] ? xfs_fs_fill_super+0x15e/0x29f
[    1.455916]  [<c109d9b7>] ? mount_bdev+0x105/0x14d
[    1.455916]  [<c1092b69>] ? slab_pre_alloc_hook.isra.66+0x1e/0x25
[    1.455916]  [<c1095412>] ? __kmalloc_track_caller+0xb8/0xe4
[    1.455916]  [<c10ae704>] ? alloc_vfsmnt+0xdc/0xff
[    1.455916]  [<c1113c4b>] ? xfs_fs_mount+0x10/0x12
[    1.455916]  [<c111533d>] ? xfs_finish_flags+0x13b/0x13b
[    1.455916]  [<c109db92>] ? mount_fs+0x55/0x123
[    1.455916]  [<c10af04e>] ? vfs_kern_mount+0x44/0xac
[    1.455916]  [<c10b0434>] ? do_mount+0x647/0x768
[    1.455916]  [<c107b0c7>] ? strndup_user+0x2c/0x3d
[    1.455916]  [<c10b05c6>] ? SyS_mount+0x71/0xa0
[    1.455916]  [<c164f19c>] ? syscall_call+0x7/0xb
[    1.455916] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    1.455916] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    1.455916] CR2: 0000000000000004
[    1.455916] ---[ end trace a14f90629bdf8259 ]---
[    1.455916] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-bay-1:20131010130156:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    2.655792] end_request: I/O error, dev nbd3, sector 0
[    2.657689] block nbd8: Attempted send on closed socket
[    2.658952] end_request: I/O error, dev nbd8, sector 0
[    2.664659] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    2.666426] IP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c
[    2.667819] *pdpt = 000000000d2eb001 *pde = 0000000000000000 
[    2.667984] Oops: 0000 [#1] 
[    2.667984] CPU: 0 PID: 671 Comm: mount.sh Not tainted 3.12.0-rc4 #2
[    2.667984] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.667984] task: cc842360 ti: cec0a000 task.ti: cc9ba000
[    2.667984] EIP: 0060:[<c1034419>] EFLAGS: 00010046 CPU: 0
[    2.667984] EIP is at pool_mayday_timeout+0x5f/0x9c
[    2.667984] EAX: 00000000 EBX: c1931d50 ECX: 00000000 EDX: 00000000
[    2.667984] ESI: c10343ba EDI: c0daca58 EBP: cec0bf94 ESP: cec0bf80
[    2.667984]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[    2.667984] CR0: 8005003b CR2: 00000004 CR3: 0c9af000 CR4: 000006b0
[    2.667984] Stack:
[    2.667984]  c1931d60 c14e558f 00000100 c10343ba cec0bfc0 cec0bfa4 c102cd96 
c1a52700
[    2.667984]  cec0bfc0 cec0bfd4 c102cf7e c1931d50 c1a53110 c1a52f10 cec0bfc0 
c10343ba
[    2.667984]  cec0bfc0 cec0bfc0 00000001 c1a52588 00000100 cec0bff8 c1028f61 
00000001
[    2.667984] Call Trace:
[    2.667984]  [<c14e558f>] ? dgap_poll_handler+0x111/0x119
[    2.667984]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    2.667984]  [<c102cd96>] call_timer_fn.isra.39+0x16/0x60
[    2.667984]  [<c102cf7e>] run_timer_softirq+0x144/0x15e
[    2.667984]  [<c10343ba>] ? need_to_create_worker+0x32/0x32
[    2.667984]  [<c1028f61>] __do_softirq+0x87/0x12b
[    2.667984]  [<c1028eda>] ? local_bh_enable_ip+0xa/0xa
[    2.667984]  <IRQ> 
[    2.667984]  [<c10290c4>] ? irq_exit+0x3a/0x48
[    2.667984]  [<c1018818>] ? smp_apic_timer_interrupt+0x23/0x2c
[    2.667984]  [<c164f38d>] ? apic_timer_interrupt+0x2d/0x34
[    2.667984] Code: 43 44 e8 5c 8c ff ff 58 5a 5b 5e 5f 5d c3 8b 43 10 8d 78 
fc 8d 43 10 89 45 ec 8d 47 04 3b 45 ec 74 ca 89 f8 e8 44 f0 ff ff 89 c1 <8b> 50 
04 83 7a 44 00 74 2c 8b 40 68 8d 71 68 39 f0 75 22 8b 72
[    2.667984] EIP: [<c1034419>] pool_mayday_timeout+0x5f/0x9c SS:ESP 
0068:cec0bf80
[    2.667984] CR2: 0000000000000004
[    2.667984] ---[ end trace 4f2093905ac4c481 ]---
[    2.667984] Kernel panic - not syncing: Fatal exception in interrupt

dmesg-yocto-bay-1:20131010130351:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    2.640407] end_request: I/O error, dev nbd13, sector 0
[    2.641666] XFS: Assertion failed: read && bp->b_ops, file: 
fs/xfs/xfs_buf.c, line: 1005
[    2.644003] ------------[ cut here ]------------
[    2.644986] kernel BUG at fs/xfs/xfs_message.c:108!
[    2.644986] invalid opcode: 0000 [#1] 
[    2.644986] CPU: 0 PID: 26 Comm: xfslogd Not tainted 3.12.0-rc4 #2
[    2.644986] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.644986] Workqueue: xfslogd xfs_buf_iodone_work
[    2.644986] task: cd7770e0 ti: cd7d2000 task.ti: cd7d2000
[    2.644986] EIP: 0060:[<c1111d0d>] EFLAGS: 00010292 CPU: 0
[    2.644986] EIP is at assfail+0x12/0x14
[    2.644986] EAX: 00000065 EBX: cd7b9200 ECX: 00000000 EDX: c1932fa8
[    2.644986] ESI: ccfadb58 EDI: ccfadb00 EBP: cd7d3ef8 ESP: cd7d3ee4
[    2.644986]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[    2.644986] CR0: 8005003b CR2: 08126e40 CR3: 0cd67000 CR4: 000006b0
[    2.644986] Stack:
[    2.644986]  00000000 c1865d0a c1864ee7 c1864ca8 000003ed cd7d3f0c c1104d62 
cd7b92a0
[    2.644986]  ccfadb58 c1931d50 cd7d3f2c c103496f 00000000 cfff5800 00000000 
cd7b92a0
[    2.644986]  cd7b92b8 c1931d5c cd7d3f3c c1034a3b c1931d50 cd7b92a0 cd7d3f70 
c1034b93
[    2.644986] Call Trace:
[    2.644986]  [<c1104d62>] xfs_buf_iodone_work+0x6e/0x7b
[    2.644986]  [<c103496f>] process_one_work+0x11b/0x1cc
[    2.644986]  [<c1034a3b>] process_scheduled_works+0x1b/0x21
[    2.644986]  [<c1034b93>] rescuer_thread+0x152/0x1df
[    2.644986]  [<c1034a41>] ? process_scheduled_works+0x21/0x21
[    2.644986]  [<c103893f>] kthread+0x6d/0x72
[    2.644986]  [<c164f737>] ret_from_kernel_thread+0x1b/0x28
[    2.644986]  [<c10388d2>] ? init_completion+0x1d/0x1d
[    2.644986] Code: e8 ee fe ff ff ba 64 00 00 00 b8 dc 5c 86 c1 e8 7b 4a f1 
ff 83 c4 14 c9 c3 55 89 e5 51 52 50 68 0a 5d 86 c1 6a 00 e8 20 fe ff ff <0f> 0b 
55 89 e5 6a 01 52 50 6a 01 6a 10 b9 01 00 00 00 ba f2 b2
[    2.644986] EIP: [<c1111d0d>] assfail+0x12/0x14 SS:ESP 0068:cd7d3ee4
[    2.693156] ---[ end trace 5dc26fbd76341aa3 ]---
[    2.694765] BUG: unable to handle kernel paging request at fffffff0

dmesg-yocto-bay-1:20131010130601:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2

[    2.626167] end_request: I/O error, dev fd0, sector 0
[    2.648939] block nbd4: Attempted send on closed socket
[    2.650234] end_request: I/O error, dev nbd4, sector 0
[    2.652659] BUG: unable to handle kernel NULL pointer dereference at 00000004
[    2.653563] IP: [<c103486e>] process_one_work+0x1a/0x1cc
[    2.653563] *pdpt = 000000000cfaf001 *pde = 0000000000000000 
[    2.653563] Oops: 0000 [#1] 
[    2.653563] CPU: 0 PID: 5 Comm: kworker/0:0H Not tainted 3.12.0-rc4 #2
[    2.653563] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    2.653563] task: cec44d80 ti: cec54000 task.ti: cec54000
[    2.653563] EIP: 0060:[<c103486e>] EFLAGS: 00010002 CPU: 0
[    2.653563] EIP is at process_one_work+0x1a/0x1cc
[    2.653563] EAX: 00000000 EBX: cec1b900 ECX: 00000000 EDX: 00000004
[    2.653563] ESI: ccd78858 EDI: c1931d50 EBP: cec55f54 ESP: cec55f3c
[    2.653563]  DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068
[    2.653563] CR0: 8005003b CR2: 0000005c CR3: 0ce62000 CR4: 000006b0
[    2.653563] Stack:
[    2.653563]  00000000 00000000 00000009 cec1b900 c1931d50 cec1b918 cec55f70 
c1034d42
[    2.653563]  cec44d80 c1931d60 cec47eac cec1b900 c1034c20 cec55fac c103893f 
cec55f94
[    2.653563]  00000000 00000000 cec1b900 00000000 cec55f8c cec55f8c 00000000 
cec55f98
[    2.653563] Call Trace:
[    2.653563]  [<c1034d42>] worker_thread+0x122/0x1bd
[    2.653563]  [<c1034c20>] ? rescuer_thread+0x1df/0x1df
[    2.653563]  [<c103893f>] kthread+0x6d/0x72
[    2.653563]  [<c164f737>] ret_from_kernel_thread+0x1b/0x28
[    2.653563]  [<c10388d2>] ? init_completion+0x1d/0x1d
[    2.653563] Code: 83 f8 10 74 04 f3 90 b2 f5 89 d0 59 5b 5e 5f 5d c3 55 89 
e5 57 56 53 83 ec 0c 89 c3 89 d6 89 d0 e8 f3 eb ff ff 89 45 ec 8b 7b 24 <8b> 40 
04 8b 80 80 00 00 00 c1 e8 05 83 e0 01 88 45 e8 f6 43 2c
[    2.653563] EIP: [<c103486e>] process_one_work+0x1a/0x1cc SS:ESP 
0068:cec55f3c
[    2.653563] CR2: 0000000000000004
[    2.653563] ---[ end trace 229bd327c429f9e3 ]---
[    2.653563] BUG: sleeping function called from invalid context at 
kernel/rwsem.c:20

Attachment: config-3.12.0-rc4
Description: Text document

Attachment: dmesg-yocto-ant-1:20131010131218:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2
Description: Text document

Attachment: dmesg-yocto-ant-15:20131010130603:i386-randconfig-c4-0920-XFS:3.12.0-rc4:2
Description: Text document

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