Jan,
Hmm.. kernel panics are not good. :(
Can you provide the kernel back trace or the complete oops trace if possible?
I don't know what has changed in the recent kernels to cause crashes
in the kmod..
thanks,
Murali
On 8/1/07, Jan Lindheim <[EMAIL PROTECTED]> wrote:
> We have over the last few months experienced a lot of PVFS client stability
> problems with both pvfs-2.6.2 and pvfs-2.6.3. The syslog would typically
> show the following message just before a crash:
>
> Jul 30 20:42:06 shc kernel: Unable to handle kernel NULL pointer dereference
> at 0000000000000000 RIP:
> Jul 30 20:42:06 shc kernel: <ffffffff8839c2a3>{:pvfs2:wait_for_a_slot+126}
> Jul 30 20:42:06 shc kernel: PGD 1c3f3a067 PUD 1f2a1e067 PMD 0
> Jul 30 20:42:06 shc kernel: Oops: 0000 [2] SMP
> Jul 30 20:42:06 shc kernel: CPU 3
>
> We have been using kernel 2.6.16.48 and 2.6.16.52 on x86_64 architecture.
>
> Typically users have been busy copying files into the PVFS file system,
> using cp or rsync, just before the crash.
>
> Any insight or suggestions for how to debug this, is much appreciated.
>
> Regards,
> Jan Lindheim
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>
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