[Ocfs2-devel] ocfs2 1.6 2.6.38-2-amd64 kernel panic when unmount
Kui Zhang
kuizhang at gmail.com
Thu Apr 14 23:07:31 PDT 2011
Hello
We have an ocfs2 1.6 via drbd dual master.
drbd0 -> sda7 (node1)
drbd0 -> sda7 (node2)
ocfs2 1.6 2.6.38-2-amd64 kernel panic when unmount.
when unmount drbd0 on both node around the same time using dsh.
umount -v /dev/drbd0
the umount process hangs for a while, 30mins or so
pts/0 D+ 20:50 0:00 umount /dev/drbd0 -vvvvv
Then, one of the node kernel panics
Message from syslogd at node? at Apr 14 21:14:07 ...
kernel:[ 3987.895005] ------------[ cut here ]------------
Message from syslogd at node? at Apr 14 21:14:07 ...
kernel:[ 3987.908454] invalid opcode: 0000 [#1] SMP
Message from syslogd at node? at Apr 14 21:14:07 ...
kernel:[ 3987.915264] last sysfs file: /sys/fs/ocfs2/loaded_cluster_plugins
Message from syslogd at node? at Apr 14 21:14:07 ...
kernel:[ 3988.101686] Stack:
Message from syslogd at node? at Apr 14 21:14:07 ...
kernel:[ 3988.135840] Call Trace:
Message from syslogd at node? at Apr 14 21:14:07 ...
kernel:[ 3988.328876] Code: 00 00 53 48 89 fb 89 c2 c1 fa 10 66 39 c2
75 04 0f 0b eb fe f6 87 d2 00 00 00 20 74 05 e8 b5 47 ff ff f6 83 d2
00 00 00 20 74 04 <0f> 0b eb fe f0 ff 83 ac 00 00 00 5b c3 55 48 89 fd
53 48 89 f3
Message from syslogd at node? at Apr 14 21:14:07 ...
kernel:[ 3988.397108] Kernel panic - not syncing: Fatal exception
Unmount on the other node finishes.
[18066.352020] o2net: no longer connected to node node1 (num 1) at
192.168.0.5:7777
[18066.367353] ocfs2: Unmounting device (147,0) on (node 0)
[18142.527745] o2net: accepted connection from node node1 (num 1) at
192.168.0.5:7777
[18146.144648] o2dlm: Nodes in domain 8FE8B448109C4DBEA78241004023AB1E: 0 1
[18146.158441] ocfs2: Mounting device (147,0) on (node 0, slot 0) with
ordered data mode.
Thanks
KuiZ
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