[Linux-cluster] kernel panic - help!

[David Teigland]

On Wed, Jun 21, 2006 at 03:10:30PM -0300, German Staltari wrote:
> Hi, we have a 6 node cluster with FC4, kernel 2.6.16 and the last stable 
> cluster tarball. The cluster was OK until we had a little SAN failure, 
> since then, the cluster (entirely) is getting kernel panic. This is the 
> dump:

Any messages before this?  The best you could hope for with a SAN failure
is that all the cluster nodes withdraw gfs, allowing you to reboot them
without the panic.  So, the end result wouldn't be all that different than
the panics.

Dave

> qmail-be-04 kernel: ------------[ cut here ]------------
> qmail-be-04 kernel: kernel BUG at 
> /soft/kernel/cluster-1.02.00/gfs-kernel/src/dlm/lock.c:357!
> qmail-be-04 kernel: invalid opcode: 0000 [#1]
> qmail-be-04 kernel: SMP
> qmail-be-04 kernel: CPU:    0
> qmail-be-04 kernel: EIP is at do_dlm_unlock+0xd1/0xe5 [lock_dlm]
> qmail-be-04 kernel: eax: 00000004   ebx: 00000084   ecx: ffffeb92   edx: 
> 00000000
> qmail-be-04 kernel: esi: 00010001   edi: ffffffea   ebp: dc9495c0   esp: 
> e382fef4
> qmail-be-04 kernel: ds: 007b   es: 007b   ss: 0068
> qmail-be-04 kernel: Process gfs_glockd (pid: 29218, threadinfo=e382f000 
> task=f3524550)
> qmail-be-04 kernel: Stack: <0>f8e95673 f3b9f700 ffffffea 00000002 
> 007798a8 00000000 00010001 00000084
> qmail-be-04 kernel:        00000002 f9618000 00000003 dc9495c0 eaa6ae84 
> f8e8f52e f8eb46b5 eaa6aeb4