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Corruption of in-memory data

To: xfs@xxxxxxxxxxx
Subject: Corruption of in-memory data
From: Florian Hines <fhines@xxxxxxxxxxxxxxxx>
Date: Fri, 27 Mar 2009 14:54:24 -0500
User-agent: Thunderbird (X11/20090320)
Hey everybody,

Over the last few day's I've been getting a rash (8 so far) of disk's
throwing the error "Filesystem "sdxX": Corruption of in-memory data
detected.  Shutting down filesystem: sdxX".  xfs_check never seem's to
find anything and just unmounting and remounting solves the issue at
least for awhile.   Is this usually caused by bad ram ?  It's happened
on 6 systems so far (all using Debian Etch AMD64 with the stock 2.6.18
kernel, each system as a 5 sata drives, not raided).

Can anyone shed some light on what this error actually indicates for me  ?

--Full error from dmesg below--
 Filesystem "sda3": XFS internal error xfs_trans_cancel at line 1138 of
file fs/xfs/xfs_trans.c.  Caller 0xffffffff8818ead5

Call Trace:
 [<ffffffff8818fdd0>] :xfs:xfs_trans_cancel+0x5b/0xfe
 [<ffffffff8818ead5>] :xfs:xfs_rename+0xa13/0xa9a
 [<ffffffff881a0aac>] :xfs:xfs_vn_rename+0x2c/0x6f
 [<ffffffff80220104>] __up_read+0x13/0x8a
 [<ffffffff8817c732>] :xfs:xfs_iunlock+0x57/0x79
 [<ffffffff80220104>] __up_read+0x13/0x8a
 [<ffffffff8817c732>] :xfs:xfs_iunlock+0x57/0x79
 [<ffffffff88195286>] :xfs:xfs_access+0x3d/0x46
 [<ffffffff80228cc4>] vfs_rename+0x2d5/0x426
 [<ffffffff802344fb>] sys_renameat+0x180/0x1f9
 [<ffffffff80221605>] sys_newstat+0x28/0x31
 [<ffffffff80257c16>] system_call+0x7e/0x83

xfs_force_shutdown(sda3,0x8) called from line 1139 of file
fs/xfs/xfs_trans.c.  Return address = 0xffffffff8818fdee
Filesystem "sda3": Corruption of in-memory data detected.  Shutting down
filesystem: sda3
Please umount the filesystem, and rectify the problem(s)


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