https://bugzilla.kernel.org/show_bug.cgi?id=76581
Bug ID: 76581
Summary: Host freeze under heavy FS RW (Bacula backup)
Product: File System
Version: 2.5
Kernel Version: 3.14.4-gentoo
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: XFS
Assignee: xfs-masters@xxxxxxxxxxx
Reporter: fvl@xxxxxxx
Regression: No
Created attachment 136901
--> https://bugzilla.kernel.org/attachment.cgi?id=136901&action=edit
some output from console
I have a random freeze when bacula running tasks, or when rsyncing.
Please help me what i need to do to help you debug my problem.
I run kexec -p /boot/kernel-genkernel-x86_64-3.14.4-gentoo
--initrd=/boot/initramfs-genkernel-x86_64-3.14.4-gentoo
--append="root=/dev/sda4 dolvm single irqpoll maxcpus=1 reset_devices"
and waiting for freeze to do a kernel dump.
I do not realy know what subsystem have a problem.
Panic that i can found on serail line:
backup login: [ 7435.046194] Kernel panic - not syncing: Watchdog detected hard
LOCKUP on cpu 1
[ 7435.053535] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.14.4-gentoo #1
[ 7435.060156] Hardware name: Supermicro X8DTN/X8DTN, BIOS 2.1c
10/28/2011
[ 7435.067396] 0000000000000000 ffff880332806c38 ffffffff8165ff15
ffffffff8185ef60
[ 7435.074978] ffff880332806cb0 ffffffff8165986a ffffffff00000010
ffff880332806cc0
[ 7435.082567] ffff880332806c60 ffff88033280bda0 0000000000000001
000000000000073e
[ 7435.090148] Call Trace:
[ 7435.092640] <NMI> [<ffffffff8165ff15>] dump_stack+0x4d/0x66
[ 7435.098511] [<ffffffff8165986a>] panic+0xc7/0x1d5
[ 7435.103380] [<ffffffff811176a0>] ? restart_watchdog_hrtimer+0x50/0x50
[ 7435.110007] [<ffffffff81117762>] watchdog_overflow_callback+0xc2/0xd0
[ 7435.116633] [<ffffffff811566ee>] __perf_event_overflow+0x8e/0x330
[ 7435.122904] [<ffffffff81154ce8>] ? perf_event_update_userpage+0x148/0x2a0
[ 7435.129888] [<ffffffff81154ba0>] ? perf_event_task_disable+0x90/0x90
[ 7435.136423] [<ffffffff81157734>] perf_event_overflow+0x14/0x20
[ 7435.142443] [<ffffffff8101ef16>] intel_pmu_handle_irq+0x1c6/0x3b0
[ 7435.148720] [<ffffffff8113d171>] ? function_test_events_call+0xd1/0xe0
[ 7435.155440] [<ffffffff810d1090>] ? rcu_nmi_enter+0x60/0x60
[ 7435.161096] [<ffffffff8166aa2b>] perf_event_nmi_handler+0x2b/0x50
[ 7435.167368] [<ffffffff81669f05>] nmi_handle.isra.3+0xf5/0x3b0
[ 7435.173287] [<ffffffff81669e15>] ? nmi_handle.isra.3+0x5/0x3b0
[ 7435.179299] [<ffffffff8166a349>] do_nmi+0x189/0x340
[ 7435.184339] [<ffffffff81669507>] end_repeat_nmi+0x1e/0x2e
[ 7435.189910] [<ffffffff814119f0>] ? __ndelay+0x30/0x30
[ 7435.195127] [<ffffffff814119f0>] ? __ndelay+0x30/0x30
[ 7435.200348] [<ffffffff814119f0>] ? __ndelay+0x30/0x30
[ 7435.205565] <<EOE>> <IRQ> [<ffffffff8141194f>] ? __delay+0xf/0x20
[ 7435.212070] [<ffffffff810b2ed1>] do_raw_spin_lock+0xe1/0x140
[ 7435.217904] [<ffffffff81667fd9>] _raw_spin_lock_irqsave+0x69/0x90
[ 7435.224182] [<ffffffff8156b540>] ? add_unmap+0x20/0xd0
[ 7435.229482] [<ffffffff8156b540>] add_unmap+0x20/0xd0
[ 7435.234605] [<ffffffff8156c816>] intel_unmap_page.part.44+0x96/0x110
[ 7435.241140] [<ffffffff8156d526>] intel_unmap_page+0x26/0x30
[ 7435.246895] [<ffffffffa04a5c30>] igb_clean_rx_irq+0x520/0x900 [igb]
[ 7435.253345] [<ffffffffa04a63d7>] igb_poll+0x3c7/0x7d0 [igb]
[ 7435.259095] [<ffffffff8158f51f>] ? __napi_schedule+0x5f/0x70
[ 7435.264922] [<ffffffff81595935>] net_rx_action+0xb5/0x290
[ 7435.270490] [<ffffffff8105436e>] __do_softirq+0x12e/0x430
[ 7435.276054] [<ffffffff81054916>] irq_exit+0x96/0xc0
[ 7435.281097] [<ffffffff816743f8>] do_IRQ+0x58/0xf0
[ 7435.285960] [<ffffffff81668e6f>] common_interrupt+0x6f/0x6f
[ 7435.291703] <EOI> [<ffffffff810aa17d>] ? trace_hardirqs_on+0xd/0x10
[ 7435.298274] [<ffffffff8100c1e6>] ? default_idle+0x26/0x210
[ 7435.303925] [<ffffffff8100c1e4>] ? default_idle+0x24/0x210
[ 7435.312459] [<ffffffff8100cc46>] arch_cpu_idle+0x26/0x30
[ 7435.320865] [<ffffffff810c01d5>] cpu_startup_entry+0x185/0x3e0
[ 7435.329765] [<ffffffff8102f788>] start_secondary+0x1c8/0x2f0
[ 7436.461065] Shutting down cpus with NMI
[ 7436.468065] Kernel Offset: 0x0 from 0xffffffff81000000 (relocation range:
0xffffffff80000000-0xffffffff9fffffff)
[ 7436.481187] drm_kms_helper: panic occurred, switching back to text console
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