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Date:      Mon, 6 Mar 2000 12:00:34 -0800
From:      Arun Sharma <adsharma@sharmas.dhs.org>
To:        Dave Boers <djb@wit389306.student.utwente.nl>
Cc:        freebsd-current@freebsd.org
Subject:   Re: current lockups
Message-ID:  <20000306120033.A16043@sharmas.dhs.org>
In-Reply-To: <20000306202718.A26973@relativity.student.utwente.nl>; from Dave Boers on Mon, Mar 06, 2000 at 08:27:18PM %2B0100
References:  <20000304235010.B10778@sharmas.dhs.org> <20000306202718.A26973@relativity.student.utwente.nl>

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On Mon, Mar 06, 2000 at 08:27:18PM +0100, Dave Boers wrote:
> > Has this been fixed ? Is anyone interested in investigating ?
> > I'll post more info if I find anything.
> 
> I'm interested in the fix, of course :-) But where to start looking? I've
> had three lockups so far (none before january 2000) but I didn't find
> anything that reliably triggered it. 

The cooling theory sounds the most plausible so far. I'm not over clocking
my CPUs (Celeron 366s) and have appropriate cooling installed. But the
machine is kept in a small room, with a bunch of other machines and gets
a bit warm at times.

There has been no reproducible case of locking up. Each one looks different.
But most were trigerred by heavy compilation and I/O. One was a lockup
overnight with no activity on the system. When it happens, it does not
respond to pings or scroll lock.

If you'd like to do something about it, working on getting a reproducible
hang would be the most beneficial one.

	-Arun


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