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Date:      Wed, 25 Jul 2001 10:39:34 +0930
From:      Greg Lehey <grog@FreeBSD.org>
To:        Bill Moran <wmoran@iowna.com>
Cc:        Mark Drayton <mark.drayton@izr.com>, freebsd-questions@FreeBSD.org
Subject:   Re: newfs/vinum kernel panic
Message-ID:  <20010725103934.E42993@wantadilla.lemis.com>
In-Reply-To: <3B5E04B1.DD870302@iowna.com>; from wmoran@iowna.com on Tue, Jul 24, 2001 at 07:28:50PM -0400
References:  <20010724120439.A2885@drex.staff.izr.com> <3B5D6A37.A25704B@iowna.com> <20010724161310.A3646@drex.staff.izr.com> <3B5D9373.77349209@iowna.com> <20010725084828.M75783@wantadilla.lemis.com> <3B5E04B1.DD870302@iowna.com>

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On Tuesday, 24 July 2001 at 19:28:50 -0400, Bill Moran wrote:
> Greg Lehey wrote:
>>>> I can build a debugging kernel if anyone wants me to.
>>>
>>> Wouldn't hurt.
>>>
>>>> I'm considering trying different motherboards (we've got plenty of other
>>>> machines with the same boards/CPUs), although I've got another dual
>>>> PII/350 (same board and one IBM disk) on 4.3-RELEASE/SMP kernel which is
>>>> rock solid. Is this newfs problem characteristic of hardware trouble?
>>>
>>> That seems to suggest a HW problem.
>>
>> Why?
>
> Err ... Two machines with same hardware. One works perfectly, the
> other tends to panic. I would tend to suspect a hardware problem on
> the one that panics.  However, I'd be interested to hear your
> theory, as I'm always willing to learn.

Well, my theory is that if it ain't broke, don't fix it.  Once we have
the symbols, the dump should tell us what's wrong.  There's every
indication in this example that it's a Vinum bug, probably triggered
by an incorrect config file.

>>> Definately try swapping mobos then.
>>
>> You're making him do a lot of work here without any particular reason.
>
> What would you suggest?

What I do suggest.  Take a look at
http://www.vinumvm.org/vinum/how-to-debug.html.

Greg
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