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kernel crash with damaged XFS

To: xfs@xxxxxxxxxxx
Subject: kernel crash with damaged XFS
From: Michael Monnerie <michael.monnerie@xxxxxxxxxxxxxxxxxxx>
Date: Fri, 6 Nov 2009 10:17:11 +0100
Organization: it-management http://it-management.at
User-agent: KMail/1.10.3 (Linux/2.6.31.4-ZMI; KDE/4.1.3; x86_64; ; )
I had that during the last days on my system. It kept on running despite
this error. I xfs_repair'ed the fs again and now it's working.
This is the same server I talked about with Eric last time, where he
improved xfs_repair and that repaired my fs. I had to run
xfs_repair several times again until all errors were solved,
and now nothing is reported anymore.
The server had no crash or whatever since the last repair, so I wonder
where these corruptions come from.

Nov  2 00:01:12 orion.i.zmi.at kernel: Filesystem "dm-0": corrupt inode 
3858839593 ((a)extents = 7).  Unmount and run xfs_repair.
Nov  2 00:01:12 orion.i.zmi.at kernel: Pid: 18910, comm: find Tainted: G        
  2.6.27.29-0.1-xen #1
Nov  2 00:01:12 orion.i.zmi.at kernel:
Nov  2 00:01:12 orion.i.zmi.at kernel: Call Trace:
Nov  2 00:01:12 orion.i.zmi.at kernel:  [<ffffffff8020c597>] 
show_trace_log_lvl+0x41/0x58
Nov  2 00:01:12 orion.i.zmi.at kernel:  [<ffffffff80464a12>] 
dump_stack+0x69/0x6f
Nov  2 00:01:12 orion.i.zmi.at kernel:  [<ffffffffa033cbdb>] 
xfs_iformat_extents+0xc9/0x1c4 [xfs]
Nov  2 00:01:12 orion.i.zmi.at kernel:  [<ffffffffa033d136>] 
xfs_iformat+0x2b0/0x3f7 [xfs]
Nov  2 00:01:12 orion.i.zmi.at kernel:  [<ffffffffa033d364>] 
xfs_iread+0xe7/0x1eb [xfs]
Nov  2 00:01:12 orion.i.zmi.at kernel:  [<ffffffffa0338910>] 
xfs_iget_core+0x3a5/0x63a [xfs]
Nov  2 00:01:12 orion.i.zmi.at kernel:  [<ffffffffa0338c87>] 
xfs_iget+0xe2/0x187 [xfs]
Nov  2 00:01:12 orion.i.zmi.at kernel:  [<ffffffffa0352912>] 
xfs_lookup+0x79/0xa5 [xfs]
Nov  2 00:01:12 orion.i.zmi.at kernel:  [<ffffffffa035b53f>] 
xfs_vn_lookup+0x3c/0x78 [xfs]
Nov  2 00:01:12 orion.i.zmi.at kernel:  [<ffffffff802a603b>] 
real_lookup+0x7e/0x10f
Nov  2 00:01:12 orion.i.zmi.at kernel:  [<ffffffff802a612f>] do_lookup+0x63/0xb6
Nov  2 00:01:12 orion.i.zmi.at kernel:  [<ffffffff802a87aa>] 
__link_path_walk+0x9f4/0xe58
Nov  2 00:01:12 orion.i.zmi.at kernel:  [<ffffffff802a8dd9>] path_walk+0x5e/0xba
Nov  2 00:01:12 orion.i.zmi.at kernel:  [<ffffffff802a8f97>] 
do_path_lookup+0x162/0x1b9
Nov  2 00:01:12 orion.i.zmi.at kernel:  [<ffffffff802a9930>] 
user_path_at+0x48/0x79
Nov  2 00:01:12 orion.i.zmi.at kernel:  [<ffffffff802a1e85>] 
vfs_lstat_fd+0x15/0x41
Nov  2 00:01:12 orion.i.zmi.at kernel:  [<ffffffff802a1f88>] 
sys_newfstatat+0x22/0x43
Nov  2 00:01:12 orion.i.zmi.at kernel:  [<ffffffff8020b3b8>] 
system_call_fastpath+0x16/0x1b
Nov  2 00:01:12 orion.i.zmi.at kernel:  [<00007f265cb0f4de>] 0x7f265cb0f4de


mfg zmi
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