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Date:      Sun, 23 Sep 2007 11:28:33 -0700
From:      "Wil Hatfield" <freebsd@hyperconx.com>
To:        <freebsd-questions@freebsd.org>
Subject:   RE: Kernel Panics in 6.1 and 6.2 always Exim 4
Message-ID:  <NGBBKBOMKLFOJCCDHPEOCEGIHEAB.freebsd@hyperconx.com>
In-Reply-To: <46F45F9E.3010705@FreeBSD.org>

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> -----Original Message-----
> From: Kris Kennaway [mailto:kris@FreeBSD.org]
> Sent: Friday, September 21, 2007 5:20 PM
> To: Wil Hatfield
> Cc: freebsd-questions@freebsd.org
> Subject: Re: Kernel Panics in 6.1 and 6.2 always Exim 4
>
>
> Wil Hatfield wrote:
> > Well after a year we still haven't tracked down the kernel
> panic problems
> > that are occuring on both our 6.1 and 6.2 machines for those we have had
> > time to upgrade.  It occurs on 6.1-RC, 6.1-RELEASE 6.1-STABLE,
> 6.2, you name
> > it.
> >
> > We are noticing that all of the dumps are during Exim 4.6x runtime. I am
> > suspicious of PR-97095 but would like others insights into the
> possibility.
>
> Well, as that PR says, the patch was committed after 6.1-RELEASE,
> therefore it is expected that older systems will have the problem.  You
> only provided a trace from a 6.1 machine, so if you are saying that it
> still persists on an up-to-date RELENG_6 kernel, please file a new PR
> with the details.
>
> Kris

Unfortunately when I upgraded the machine I have from 6.1-RELEASE to 6.2 it
stopped dumping for me. So I have nothing to analyze. However, I still get
the kernel panics I did before. Same frequency and always Exim.

I bumped into a thread somewhere that said something about setting
nmbclusters=0 might be a good workaround for this bug. Anybody heard
anything about this or does it seem logical?

Wil




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