Kernel panic on PowerEdge 1950 under certain stress load

[Kris Kennaway]

Borja Marcos wrote:
> 
> On 24 Sep 2007, at 11:33, Kris Kennaway wrote:
> 
>> Borja Marcos wrote:
>>> 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?
> 
> Sorry, I couldn't diagnose anything properly. When it happened the 
> sysadmin didn't give me the panic details, and being production machines 
> the main priority was to put them back into service as soon as possible.
> 
> Would it be a good idea to file a PR with such fuzzy information? I 
> don't think so, that's why I didn't do it. Of course I can do it if 
> someone thinks it's worth. But unfortunately I cannot get more precise 
> details.

No it isn't.  You will need to do some more work to obtain this 
information, otherwise your bug will probably not be fixed. 
debug.mpsafenet=0 is no longer an option in 7.0, so you will have to 
deal with this sooner or later.

Kris