Kernel panic on PowerEdge 1950 under certain stress load
kris at FreeBSD.org
Mon Sep 24 03:05:37 PDT 2007
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
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.
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