From owner-freebsd-current@FreeBSD.ORG  Wed May 19 15:32:25 2004
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Date: Wed, 19 May 2004 18:32:24 -0400
From: Brian Feldman <green@freebsd.org>
To: Tom Kiblin <tom@kiblin.com>
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cc: freebsd-current@freebsd.org
Subject: Re: Stability issues with 5.2.1 p4
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On Wed, May 19, 2004 at 02:16:43PM -0400, Tom Kiblin wrote:
> Hello,
> 
> I am running a dual xeon with hyperthreading, SCSI system, that
> constantly crashes under load.  The box is doing about 40mbs of
> transfer, and I get a panic with the following output on the screen:
> 
> 
> http://advancedhosters.com/zico.JPG
> 
> Any ideas or suggestions?

I have _no_ idea why it's enabled by default, because I can think of
nothing but harm coming from it, but please start by turning off the
sync-on-panic misfeature.  Try setting this in /etc/sysctl.conf:
kern.sync_on_panic=0

-- 
Brian Fundakowski Feldman                           \'[ FreeBSD ]''''''''''\
  <> green@FreeBSD.org                               \  The Power to Serve! \
 Opinions expressed are my own.                       \,,,,,,,,,,,,,,,,,,,,,,\