[Linux-cachefs] kernel BUG at fs/fscache/operation.c:384!

Milosz Tanski milosz at adfin.com
Fri May 9 15:11:24 UTC 2014


Fernando,

I think that's a bug that's been fixed in the upstream kernel.
Somewhere around the time of ~ 3.10. Here's the link to the fix:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1bb4b7f98f361132ea322834515334d95b93c184

On Fri, May 9, 2014 at 11:03 AM, Fernando Santos
<fernando.santos at hypermediasystems.com> wrote:
> Hi,
>
> It happens again twice already since I posted this bug (last May 3r and
> today May 9th), and it seems the same error. So far no changes were made in
> the system. Here is the summary of the crash report:
>
>       KERNEL: /usr/lib/debug/lib/modules/2.6.32-431.11.2.el6.x86_64/vmlinux
>     DUMPFILE: vmcore [PARTIAL DUMP]
>         CPUS: 24
>         DATE: Fri May 9 14:10:00 2014
>       UPTIME: 6 days, 00:02:57
> LOAD AVERAGE: 0.45, 0.61, 0.64
>        TASKS: 697
>     NODENAME: web141.dl
>      RELEASE: 2.6.32-431.11.2.el6.x86_64
>      VERSION: 0000001 SMP Tue Mar 25 19:59:55 UTC 2014
>      MACHINE: x86_64 (2299 Mhz)
>       MEMORY: 48 GB
>        PANIC: "kernel BUG at fs/fscache/operation.c:385!"
>          PID: 100
>      COMMAND: "events/1"
>         TASK: ffff88067679aaa0 [THREAD_INFO: ffff8806767c2000]
>          CPU: 1
>        STATE: TASK_RUNNING (PANIC)
>
> Attached here is the back trace and logs for the latest crash. When checking
> on last command, it always seems like it was rebooted on purpose but nobody
> is logged in and no crons/script setup to reboot it:
>
> [root at web141.dl ~]# last | more
> root pts/1 inf001.dl Fri May 9 14:26 still logged in
> root pts/0 inf001.dl Fri May 9 14:23 still logged in
> reboot system boot 2.6.32-431.11.2. Fri May 9 14:13 - 14:50 (00:36)
> root pts/0 inf001.dl Thu May 8 21:19 - 23:48 (02:28)
> root pts/1 inf001.dl Thu May 8 15:26 - 16:08 (00:41)
> root pts/0 inf001.dl Wed May 7 18:46 - 18:46 (00:00)
> root pts/1 inf001.dl Wed May 7 16:56 - 16:58 (00:01)
> root pts/1 inf001.dl Wed May 7 16:56 - 16:56 (00:00)
> root pts/2 inf001.dl Wed May 7 15:03 - 15:14 (00:10)
> root pts/1 inf001.dl Wed May 7 15:01 - 15:19 (00:17)
> root pts/0 inf001.dl Wed May 7 13:57 - 13:57 (00:00)
> root pts/1 inf001.dl Tue May 6 22:01 - 22:05 (00:04)
> root pts/1 inf001.dl Mon May 5 16:28 - 16:28 (00:00)
> root pts/0 inf001.dl Mon May 5 14:26 - 14:44 (00:18)
> reboot system boot 2.6.32-431.11.2. Sat May 3 14:06 - 14:50 (6+00:43)
> root pts/0 inf001.dl Thu May 1 22:08 - 23:15 (01:06)
>
> Please help in troubleshooting and let me know suggesting in resolving the
> error.
>
> Thanks,
> Fernando
>
> --
> Linux-cachefs mailing list
> Linux-cachefs at redhat.com
> https://www.redhat.com/mailman/listinfo/linux-cachefs



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Milosz Tanski
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