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Xfs fails in xfstests 013

To: xfs@xxxxxxxxxxx
Subject: Xfs fails in xfstests 013
From: Lukáš Czerner <lczerner@xxxxxxxxxx>
Date: Thu, 31 Jan 2013 09:19:23 +0100 (CET)
Delivered-to: xfs@xxxxxxxxxxx
User-agent: Alpine 2.00 (LFD 1167 2008-08-23)
Hi.

I've just run xfstest 013 on xfs and it fails with this backtrace


Jan 31 03:09:07 rhel6_vm1 kernel: ffff88020b6d1000: 78 78 78 78 78 78 78 78 78 
78 2f 78 78 78 78 78  xxxxxxxxxx/xxxxx
Jan 31 03:09:07 rhel6_vm1 kernel: XFS (sda): Internal error xfs_bmbt_verify at 
line 747 of file fs/xfs/xfs_bmap_btree.c.  Caller 0xffffffffa025486e
Jan 31 03:09:07 rhel6_vm1 kernel:
Jan 31 03:09:07 rhel6_vm1 kernel: Pid: 8909, comm: xfsaild/sda Tainted: GF      
      3.8.0-rc5-orig+ #8
Jan 31 03:09:07 rhel6_vm1 kernel: Call Trace:
Jan 31 03:09:07 rhel6_vm1 kernel: [<ffffffffa022877f>] 
xfs_error_report+0x3f/0x50 [xfs]
Jan 31 03:09:07 rhel6_vm1 kernel: [<ffffffffa025486e>] ? 
xfs_bmbt_write_verify+0xe/0x10 [xfs]
Jan 31 03:09:07 rhel6_vm1 kernel: [<ffffffffa02287ee>] 
xfs_corruption_error+0x5e/0x90 [xfs]
Jan 31 03:09:07 rhel6_vm1 kernel: [<ffffffffa0254710>] 
xfs_bmbt_verify+0x80/0x1d0 [xfs]
Jan 31 03:09:07 rhel6_vm1 kernel: [<ffffffffa025486e>] ? 
xfs_bmbt_write_verify+0xe/0x10 [xfs]
Jan 31 03:09:07 rhel6_vm1 kernel: [<ffffffffa025486e>] 
xfs_bmbt_write_verify+0xe/0x10 [xfs]
Jan 31 03:09:07 rhel6_vm1 kernel: [<ffffffffa02269a5>] 
_xfs_buf_ioapply+0x65/0x150 [xfs]
Jan 31 03:09:07 rhel6_vm1 kernel: [<ffffffff8108d170>] ? 
try_to_wake_up+0x2b0/0x2b0
Jan 31 03:09:07 rhel6_vm1 kernel: [<ffffffffa02270a5>] ? 
xfs_bdstrat_cb+0x65/0xd0 [xfs]
Jan 31 03:09:07 rhel6_vm1 kernel: [<ffffffffa0226fef>] 
xfs_buf_iorequest+0x4f/0xa0 [xfs]
Jan 31 03:09:07 rhel6_vm1 kernel: [<ffffffffa02270a5>] xfs_bdstrat_cb+0x65/0xd0 
[xfs]
Jan 31 03:09:07 rhel6_vm1 kernel: [<ffffffffa0227218>] 
__xfs_buf_delwri_submit+0x108/0x200 [xfs]
Jan 31 03:09:07 rhel6_vm1 kernel: [<ffffffffa02273c0>] ? 
xfs_buf_delwri_submit_nowait+0x20/0x30 [xfs]
Jan 31 03:09:07 rhel6_vm1 kernel: [<ffffffffa02273c0>] 
xfs_buf_delwri_submit_nowait+0x20/0x30 [xfs]
Jan 31 03:09:07 rhel6_vm1 kernel: [<ffffffffa0282376>] xfsaild_push+0x1b6/0x520 
[xfs]
Jan 31 03:09:07 rhel6_vm1 kernel: [<ffffffffa0282778>] xfsaild+0x98/0x130 [xfs]
Jan 31 03:09:07 rhel6_vm1 kernel: [<ffffffffa02826e0>] ? 
xfsaild_push+0x520/0x520 [xfs]
Jan 31 03:09:07 rhel6_vm1 kernel: [<ffffffff8107968e>] kthread+0xce/0xe0
Jan 31 03:09:07 rhel6_vm1 kernel: [<ffffffff810795c0>] ? 
kthread_freezable_should_stop+0x70/0x70
Jan 31 03:09:07 rhel6_vm1 kernel: [<ffffffff8155cdec>] ret_from_fork+0x7c/0xb0
Jan 31 03:09:07 rhel6_vm1 kernel: [<ffffffff810795c0>] ? 
kthread_freezable_should_stop+0x70/0x70
Jan 31 03:09:07 rhel6_vm1 kernel: XFS (sda): Corruption detected. Unmount and 
run xfs_repair
Jan 31 03:09:07 rhel6_vm1 kernel: XFS (sda): xfs_do_force_shutdown(0x8) called 
from line 1358 of file fs/xfs/xfs_buf.c.  Return address = 0xffffffffa0226a85
Jan 31 03:09:07 rhel6_vm1 kernel: XFS (sda): Corruption of in-memory data 
detected.  Shutting down filesystem
Jan 31 03:09:07 rhel6_vm1 kernel: XFS (sda): Please umount the filesystem and 
rectify the problem(s)
Jan 31 03:09:07 rhel6_vm1 kernel: XFS (sda): xfs_log_force: error 5 returned.


I can reproduce it every time with xfstest 013 on 3.8.0-rc5.

-Lukas

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