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2.6.38.8: quota check oops

To: xfs@xxxxxxxxxxx
Subject: 2.6.38.8: quota check oops
From: Arkadiusz Miskiewicz <arekm@xxxxxxxx>
Date: Wed, 6 Jul 2011 08:32:03 +0200
User-agent: KMail/1.13.7 (Linux/3.0.0-rc6-dirty; KDE/4.6.5; x86_64; ; )
quota check code (mount with user+group quota) likes to oops
for me (usually after system hang and hard reset). 

This is on 2.6.38.8 on top of raid10 soft raid. Mount without
quota succeeds without a problem.

[   73.348316] XFS mounting filesystem md3
[   73.612588] Starting XFS recovery on filesystem: md3 (logdev: internal)
[   99.974344] device-mapper: uevent: version 1.0.3
[   99.990186] device-mapper: ioctl: 4.19.1-ioctl (2011-01-07) initialised: 
dm-devel@xxxxxxxxxx
[  103.323836] BUG: unable to handle kernel NULL pointer dereference at 
0000000000000020
[  103.345648] IP: [<ffffffff8145353c>] mutex_lock+0x1c/0x40
[  103.353261] PGD 10a90d067 PUD 106ef8067 PMD 0
[  103.353261] Oops: 0002 [#1] SMP
[  103.353261] last sysfs file: /sys/devices/system/cpu/online
[  103.353261] CPU 0
[  103.353261] Modules linked in: dm_mod ipmi_watchdog ipmi_si ipmi_devintf 
ipmi_msghandler xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_state 
nf_conntrack ipt_REJECT iptable_filter 
xt_CLASSIFY iptable_mangle ip_tables x_tables sch_sfq forcedeth ext3 jbd 
mbcache raid456 async_raid6_recov async_pq raid6_pq async_xor xor async_memcpy 
async_tx raid1 usbhid hid ohci_hcd 
ssb mmc_core pcmcia pcmcia_core ehci_hcd usbcore xfs exportfs sd_mod crc_t10dif 
sata_nv libata scsi_mod raid10 md_mod [last unloaded: scsi_wait_scan]
[  103.442036]
[  103.442036] Pid: 12308, xid: #0, comm: xfssyncd/md3 Not tainted 2.6.38.8-1 
#1 Supermicro H8DMU/H8DMU
[  103.442036] RIP: 0010:[<ffffffff8145353c>]  [<ffffffff8145353c>] 
mutex_lock+0x1c/0x40
[  103.442036] RSP: 0018:ffff88010d267dd0  EFLAGS: 00010246
[  103.442036] RAX: 0000000000000000 RBX: 0000000000000020 RCX: 0000000000000017
[  103.442036] RDX: ffff88010baf5bb8 RSI: 0000000000000002 RDI: 0000000000000020
[  103.442036] RBP: ffff88010d267de0 R08: 0000000000000000 R09: ffff8801138c8f88
[  103.442036] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000002
[  103.442036] R13: 0000000000000010 R14: 0000000000000000 R15: 0000000000000020
[  103.442036] FS:  00007f0013df1700(0000) GS:ffff8800dfc00000(0000) 
knlGS:0000000000000000
[  103.442036] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[  103.442036] CR2: 0000000000000020 CR3: 000000010aa25000 CR4: 00000000000006f0
[  103.442036] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  103.442036] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[  103.442036] Process xfssyncd/md3 (pid: 12308, threadinfo ffff88010baf5bb8, 
task ffff88010baf57c0)
[  103.442036] Stack:
[  103.442036]  ffff88010c67f000 0000000000000002 ffff88010d267e40 
ffffffffa00d7727
[  103.442036]  ffffffffffffffff 000000000c67f000 ffff880100000002 
ffff88010c67f000
[  103.442036]  ffff88010d267e90 ffff88010c67f000 ffff88010c67f3a0 
ffff88010c67f3b0
[  103.442036] Call Trace:
[  103.442036]  [<ffffffffa00d7727>] xfs_qm_sync+0x57/0x1a0 [xfs]
[  103.442036]  [<ffffffffa013b3c5>] xfs_reclaim_inodes+0x65/0x130 [xfs]
[  103.442036]  [<ffffffffa013a16a>] xfsaild_stop+0x31a/0xc80 [xfs]
[  103.442036]  [<ffffffffa013a000>] ? xfsaild_stop+0x1b0/0xc80 [xfs]
[  103.442036]  [<ffffffff8106d466>] kthread+0x96/0xa0
[  103.442036]  [<ffffffff81003a94>] kernel_thread_helper+0x4/0x10
[  103.442036]  [<ffffffff8106d3d0>] ? kthread+0x0/0xa0
[  103.442036]  [<ffffffff81003a90>] ? kernel_thread_helper+0x0/0x10
[  103.442036] Code: eb dc 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 
48 83 ec 10 48 89 1c 24 48 89 fb 4c 89 64 24 08 e8 17 f1 ff ff 48 89 df <f0> ff 
0f 79 05 e8 6a fa ff ff 65 48 8b 04 25 c0 a5 00 00 4c 8b
[  103.442036] RIP  [<ffffffff8145353c>] mutex_lock+0x1c/0x40
[  103.442036]  RSP <ffff88010d267dd0>
[  103.442036] CR2: 0000000000000020
[  104.180623] ---[ end trace dd9b675aa2dba8c5 ]---

-- 
Arkadiusz Miśkiewicz        PLD/Linux Team
arekm / maven.pl            http://ftp.pld-linux.org/

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