Dear XFS users
While using rsnapshot [1] on an XFS filesystem I encountered the
following error, which I can reproduce using the bash command below:
i=0; while (( $i <20 )); do
rm -rf link-dir;
cp -al orig-dir link-dir
echo "Round $i over"; let i++;
done
The problem mostly happens between the 6th and 10th run.
"orig-dir" contains around 12 GB of data and around 40'000 files (the
filesystem is 50 GB whereas 27 GB are free, mount options:
rw,noatime,usrquota).
The problem doesn't occur with a reiserfs filesystem (on the same device).
Kernel-Error:
Filesystem "sdc1": XFS internal error xfs_trans_cancel at line 1163 of
file fs/xfs/xfs_trans.c. Caller 0xffffffff803a4fcf
Pid: 22816, comm: cp Not tainted 2.6.24-gentoo-r8 #1
Call Trace:
[<ffffffff803a4fcf>] xfs_link+0x26f/0x390
[<ffffffff8039c656>] xfs_trans_cancel+0x126/0x150
[<ffffffff803a4fcf>] xfs_link+0x26f/0x390
[<ffffffff8039cf4b>] xfs_trans_unlocked_item+0x3b/0x60
[<ffffffff803aff8c>] xfs_vn_link+0x3c/0xb0
[<ffffffff802952b3>] vfs_link+0x123/0x180
[<ffffffff802984b1>] sys_linkat+0x151/0x180
[<ffffffff802901b7>] cp_new_stat+0xe7/0x100
[<ffffffff80290276>] sys_newlstat+0x36/0x50
[<ffffffff8020bbce>] system_call+0x7e/0x83
xfs_force_shutdown(sdc1,0x8) called from line 1164 of file
fs/xfs/xfs_trans.c. Return address = 0xffffffff8039c66f
Filesystem "sdc1": Corruption of in-memory data detected. Shutting down
filesystem: sdc1
Please umount the filesystem, and rectify the problem(s)
xfs_force_shutdown(sdc1,0x1) called from line 420 of file
fs/xfs/xfs_rw.c. Return address = 0xffffffff803a7fe9
xfs_force_shutdown(sdc1,0x1) called from line 420 of file
fs/xfs/xfs_rw.c. Return address = 0xffffffff803a7fe9
After remounting, everything seems to be fine, even xfs_repair (xfsprogs
2.8.11) doesn't find any problems on the filesystem.
The above error happens on a 2.6.24-gentoo-r8 SMP 64bit kernel with 4 GB
of memory (~3G free), Intel 5000V chipset (ASUS DSBV-D), on top of a
Areca ARC-1160 (V1.42) RAID controller.
According to memcheck the memory seems to be OK, anyway I replaced the
DIMMs with no success.
Google leads to a lot of results, for the above error message, however I
only found one forum entry [2] which seems to look similar.
Any help would be highly appreciated
Many thanks!
Chris
[1]http://www.rsnapshot.org/
[2]http://ubuntuforums.org/showthread.php?t=741425
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