Borja Marcos wrote:
>
> On 22 Sep 2007, at 00:26, Benjie Chen wrote:
>
>> FreeBSD 6.2 on PowerEdge 1950, RAID1 setup with mfi driver (PERC5i). 4GB
>> RAM. I am currently running i386, and not amd64, due to various reasons.
>>
>> Kernel panic is at 0xC066C731, which from nm shows it's in mtx_lock_spin
>> c066c7b4 T _mtx_lock_spin
>> c066c85c T _mtx_unlock_sleep
>>
>> So this could mean that independent stress tests will not result in
>> panic if
>> there aren't enough concurrency to cause the problem.
>
> I don't have the exact IP address involved, but we experienced
> consistent panics in two heavily loaded mail servers (same hardware
> models, Dell Powereedge) runnning Postfix and FreeBSD 6.2.
>
> Suspecting an issue with the IP stack and smp I tried to set
> "debug.mpsafenet=0" and the problems are gone. Of course I've lost some
> performance, but the systems have been solid for some weeks so far.
What number is the PR with the details?
Kris
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