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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