For what it's worth, the panic doesn't occur in 1.6.0pre7 even with repeated
hammering with ab.

On Thu, Aug 11, 2011 at 10:11 AM, Aaron Knister <[email protected]> wrote:

> I know everyone's busy, but out of curiosity has anybody had a chance to
> look at this? Could it be that it's not even an AFS bug, but a linux kernel
> issue? I'm getting ready to put a webserver into production and am concerned
> because I can reliably trigger the mentioned kernel panic using "ab".
>
> Thanks,
> -Aaron
>
>
> On Wed, Jul 27, 2011 at 4:59 PM, Aaron Knister <[email protected]> wrote:
>
>> On Wed, Jul 27, 2011 at 4:37 PM, Andrew Deason <[email protected]>wrote:
>>
>>> On Wed, 27 Jul 2011 15:25:15 -0400
>>> Aaron Knister <[email protected]> wrote:
>>>
>>> > Hi Andrew,
>>> >
>>> > Here's the output of the last few, what I think are relavent lines:
>>>
>>> Well, this is basically the same information as you originally gave.
>>> There's nothing else around these, or immediately before?
>>>
>>
>> The lines preceding what I originally sent are:
>>
>> openafs: module license 'http://www.openafs.org/dl/license10.html' taints
>> kernel.
>> Disabling lock debugging due to kernel taint
>> enabling dynamically allocated vcaches
>> Starting AFS cache scan...found 993 non-empty cache files (31%).
>> eth0: no IPv6 routers present
>> general protection fault: 0000 [#1] SMP
>>
>> I don't know if that's any more helpful.
>>
>>
>>>
>>> Also, could you run in crash
>>>
>>> dis rxi_NewCall
>>> dis rxi_ResetCall
>>> dis mutex_lock
>>>
>>>
>> Here's a link to a directory containing the output of those commands:
>> http://userpages.umbc.edu/~aaronk/afs/linux-kernel-panic/.
>>
>> Thanks,
>> -Aaron
>>
>>
>>> and put the result somewhere? (It's probably a bit large for the list)
>>>
>>> --
>>> Andrew Deason
>>> [email protected]
>>>
>>> _______________________________________________
>>> OpenAFS-info mailing list
>>> [email protected]
>>> https://lists.openafs.org/mailman/listinfo/openafs-info
>>>
>>
>>
>>
>> --
>> Aaron Knister
>> Systems Administrator
>> Division of Information Technology
>> University of Maryland, Baltimore County
>> [email protected]
>>
>
>
>
> --
> Aaron Knister
> Systems Administrator
> Division of Information Technology
> University of Maryland, Baltimore County
> [email protected]
>



-- 
Aaron Knister
Systems Administrator
Division of Information Technology
University of Maryland, Baltimore County
[email protected]

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