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Date:      Tue, 22 Feb 2000 14:01:00 -0700
From:      "Kenneth D. Merry" <ken@kdm.org>
To:        Brian Beattie <beattie@aracnet.com>
Cc:        freebsd-hackers@FreeBSD.ORG
Subject:   Re: Help diagnoseing a panic
Message-ID:  <20000222140100.A21773@panzer.kdm.org>
In-Reply-To: <Pine.LNX.4.10.10002221101530.28217-100000@shell1.aracnet.com>; from beattie@aracnet.com on Tue, Feb 22, 2000 at 11:10:47AM -0800
References:  <Pine.LNX.4.10.10002221101530.28217-100000@shell1.aracnet.com>

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On Tue, Feb 22, 2000 at 11:10:47 -0800, Brian Beattie wrote:
> I have started getting a panic in the past couple of weeks on my
> 4.0-Current system.  The immediate symptom is disk related.  I was
> wondering if anybody could give me some hints in trying to determine if
> this is hardware or software.
> 
> The problem occurs under heavy disk (SCSI) load "rm -rf /usr/src"  or "pax
> -rw / /usr /mnt"  or even "make release".  Setting up a serial console is
> possible, thought difficult, since I lack the spare hardware to dedicate.
> 
> The panic refers to an SCB I can copy down the error message if anybody is
> willing to try to decypher it, so far the message tends to scroll off
> before I get a chance.

Do you have DDB enabled?  That may stop things from scrolling off the
screen.  It'll also provide a stack trace from the panic.

You'll probably need to provide the error messages, either by copying them
down, or preferrably from a serial console, since it will be almost
impossible to diagnose the problem without them.

Ken
-- 
Kenneth Merry
ken@kdm.org


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