FreeBSD -STABLE servers repeatedly crashing.
gavin.atkinson at ury.york.ac.uk
Tue Jun 28 15:08:25 GMT 2005
On Tue, 2005-06-28 at 10:49 -0400, Matt Juszczak wrote:
> Gleb Smirnoff wrote:
> >On Mon, Jun 27, 2005 at 01:01:09AM -0400, Matt Juszczak wrote:
> >M> About three weeks ago, I upgraded my 5.3-RELEASE boxes to 5.4-RELEASE.
> >M> I also turned on procmail globally on our mail server. Here is our
> >M> current FreeBSD server setup:
> >M> URANUS - primary ldap
> >M> CALIBAN - secondary ldap
> >M> ORION - primary mail
> >M> Orion was the first one to crash, about three weeks ago. Orion is
> >M> constantly talking to uranus, because uranus is our primary ldap server
> >M> (we have a planet scheme), and caliban is our secondary ldap server. I
> >M> ran an email flood test on orion to see if I could crash it again. This
> >M> time, the high requests on Uranus caused Uranus to crash. With two
> >M> different servers on two different hardware setups crashing, I had to
> >M> start thinking of what could be causing the problem.
> >M> http://paste.atopia.net/126
> >Can you please build kernel with debugging and obtain a crashdump?
> Ever since I setup the debug kernel the machine is now crashing every 12
> hours. I think I have to switch to OpenBSD or 4.11 FreeBSD because this
> box can't keep crashing. It refuses to do a crash dump.
OK, when it crashes next and is sat at the "db>" prompt, type "tr" and
press enter to get a trace. Copy this down (or have a serial console to
capture the output). Also, try typing "call doadump()" and see if that
succeeds in generating a crash dump. How were you trying to generate
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