Corruption of in-memory data detected. Shutting down filesystem

[Markus Uckelmann <markus.uckelmann@koeln.de>]

Hi all,

Occasionally I get the above error on one of our backup volumes. The
volume is a LVM-volume which resides inside a crypted partition. We have
three backup volumes, but only one has the problem. On this volume we
backup tons of Subversion working copies, so that mostly very small
files are on this volume. The error only appears when our backup via
rdiff-backup is running.

I currently work around this problem by unmounting the volume and
mounting it again. I would appreciate your help. Let me know, if you
need any further information.

Some details

kern.log
> Jul 13 02:24:29 backupserver kernel: [679408.490589] Filesystem "dm-4": XFS internal error xfs_trans_cancel at line 1163 of file fs/xfs/xfs_trans.c. Caller 0xffffffffa0212709
> Jul 13 02:24:29 backupserver kernel: [679408.564416] Pid: 18658, comm: rdiff-backup Not tainted 2.6.26-2-amd64 0000001
> Jul 13 02:24:29 backupserver kernel: [679408.605393]
> Jul 13 02:24:29 backupserver kernel: [679408.605394] Call Trace:
> Jul 13 02:24:29 backupserver kernel: [679408.639377] [<ffffffffa0212709>] :xfs:xfs_create+0x3ea/0x477
> Jul 13 02:24:29 backupserver kernel: [679408.674393] [<ffffffffa020ca4e>] :xfs:xfs_trans_cancel+0x55/0xed
> Jul 13 02:24:29 backupserver kernel: [679408.711940] [<ffffffffa0212709>] :xfs:xfs_create+0x3ea/0x477
> Jul 13 02:24:29 backupserver kernel: [679408.758863] [<ffffffffa01d60ca>] :xfs:xfs_attr_get+0x8d/0x9e
> Jul 13 02:24:29 backupserver kernel: [679408.794026] [<ffffffffa021b7b7>] :xfs:xfs_vn_mknod+0x159/0x247
> Jul 13 02:24:29 backupserver kernel: [679408.830013] [<ffffffff802a2cbd>] vfs_create+0xcf/0x140
> Jul 13 02:24:29 backupserver kernel: [679408.862025] [<ffffffff802a587a>] do_filp_open+0x1e3/0x7c4
> Jul 13 02:24:29 backupserver kernel: [679408.895520] [<ffffffff802999a2>] do_sys_open+0x46/0xc3
> Jul 13 02:24:29 backupserver kernel: [679408.928542] [<ffffffff8020beda>] system_call_after_swapgs+0x8a/0x8f
> Jul 13 02:24:29 backupserver kernel: [679408.967513]
> Jul 13 02:24:29 backupserver kernel: [679408.978394] xfs_force_shutdown(dm-4,0x8) called from line 1164 of file fs/xfs/xfs_trans.c. Return address = 0xffffffffa020ca67
> Jul 13 02:24:30 backupserver kernel: [679409.051147] Filesystem "dm-4": Corruption of in-memory data detected. Shutting down filesystem: dm-4
> Jul 13 02:24:30 backupserver kernel: [679409.106937] Please umount the filesystem, and rectify the problem(s)
> Jul 13 02:24:33 backupserver kernel: [679412.440595] Filesystem "dm-4": xfs_log_force: error 5 returned.
> Jul 13 02:24:54 backupserver kernel: [679433.470623] Filesystem "dm-4": xfs_log_force: error 5 returned.
> [...]
> Jul 13 09:53:48 backupserver kernel: [707379.613578] Filesystem "dm-4": xfs_log_force: error 5 returned.
> Jul 13 09:53:48 backupserver kernel: [707379.673603] xfs_force_shutdown(dm-4,0x1) called from line 420 of file fs/xfs/xfs_rw.c. Return address = 0xffffffffa0214e2a
> Jul 13 09:54:10 backupserver kernel: [707401.740318] Filesystem "dm-4": xfs_log_force: error 5 returned.
> [...]
> Jul 13 10:03:19 backupserver kernel: [707957.520753] Filesystem "dm-4": xfs_log_force: error 5 returned.
> Jul 13 10:03:36 backupserver kernel: [707974.761993] Filesystem "dm-4": Disabling barriers, not supported by the underlying device
> Jul 13 10:03:36 backupserver kernel: [707974.857711] XFS mounting filesystem dm-4
> Jul 13 10:03:36 backupserver kernel: [707975.126237] Starting XFS recovery on filesystem: dm-4 (logdev: internal)
> Jul 13 10:03:50 backupserver kernel: [707991.756505] Ending XFS recovery on filesystem: dm-4 (logdev: internal)


Kernel-version is 2.6.26-2-amd64 and the OS is a Debian Lenny. The
system is up to date and I made sure that the hardware is running fine.


Thanks and regards,

	Markus Uckelmann

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