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Date:      Thu, 25 Jul 2002 00:10:49 +0200
From:      Wilko Bulte <wkb@freebie.xs4all.nl>
To:        John Engelhart <johne@zang.com>
Cc:        hackers@FreeBSD.ORG
Subject:   Re: Serious File System problems (4.6-Release)
Message-ID:  <20020725001049.B67097@freebie.xs4all.nl>
In-Reply-To: <Pine.GSO.4.21.0207241412190.25631-100000@zang.com>; from johne@zang.com on Wed, Jul 24, 2002 at 02:32:25PM -0700
References:  <Pine.GSO.4.21.0207241412190.25631-100000@zang.com>

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On Wed, Jul 24, 2002 at 02:32:25PM -0700, John Engelhart wrote:
> Hello,
> 
> I've been having some very serious stability problems with FreeBSD, mostly
> it seems with the file system.  I've had these problems since 4.3, but now
> I have a free machine that isn't doing anything critical to really pound
> on the issue.
> 
...

> 
> [johne@twister] ~> crashme +2000 666 100 24:00:00&
> 
> I'll do this twice, once each in a seperate TTY, to excercise both CPU's.
> 
> So farl, based on less than a days worth of testing, crashme alone isn't
> enough to trip it up.  It sets the stage, and will eventually cause it to
> panic, but does so slowly.  Panic backtrace #1 is from this.
> 
> Adding postmark to the mix causes the whole thing to crumble in about 30
> minutes.  See panic backtrace #2.
> 
> Thoughts?  Is it memory?  Is it CPU?  One of the CPU's is brand new.  One
> of the CPU's is left over from one of the original systems.  I've just
> purchased another CPU to rule that out.  I've also picked up a stick of
> 128 megs of ram, one with and one without ECC, to see if that's causing
> the problem.  Or am I on to some insidous SMP bug?
> 

Guessing (obviously): power supply?

-- 
|   / o / /_  _   				wilko@FreeBSD.org
|/|/ / / /(  (_)  Bulte				Arnhem, the Netherlands

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