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From: John Baldwin <jhb@freebsd.org>
To: "Chris Demers" <admin@govital.net>
Date: Wed, 29 Feb 2012 09:06:08 -0500
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Cc: Harry Newton <hn@yewbarrow.net>, Adrian Chadd <adrian@freebsd.org>,
	freebsd-stable@freebsd.org, Ian Lepore <freebsd@damnhippie.dyndns.org>
Subject: Re: Regression between 9-RELEASE and 9-STABLE [PCIB ?]
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On Wednesday, February 29, 2012 3:54:02 am Chris Demers wrote:
> Greetings Everyone,
> 
> Along this same topic, I have also had a problem with 9-STABLE being 
unstable.
>  I have been experiencing random kernel core dumps on a machine.  I know the
> machine is fine, if i switch back to a set of disks running my previous
> 8-stable everything is fine.  But with a current 9-STABLE as of last night
> even I get kernel panics.  Can provide more details tomorrow, machine is
> currently panicked in the data center and need to go there in the morning to
> reboot.  Hoping it gets fixed soon, want to start bringing the machine into
> production slowly, don't want to have to roll back to 9-release would rather
> see this fixed.  But i believe it is a variation of the exact same problem
> that has been brought up here.  Last panic it created a core file, hopefully
> it did again so i can debug it.

The problem discussed below can only result in boot-time hangs, not in crashes 
at runtime, so it is completely different.  That said, if you are seeing 
crashes and have core dumps, we would certainly like to see some details such 
as a backtrace from the dump.

-- 
John Baldwin