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Date: Fri, 13 Aug 2004 01:07:41 +0200
From: Radek Kozlowski <radek@raadradd.com>
To: Greg 'groggy' Lehey <grog@lemis.com>
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cc: FreeBSD current users <FreeBSD-current@FreeBSD.ORG>
Subject: Re: Current method of dumping a processor?
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On Fri, Aug 13, 2004 at 07:28:59AM +0930, Greg 'groggy' Lehey wrote:
> I've tried it on kernels built in January, May and yesterday.  In each
> case, I did:
> 
>   dumpon /dev/ad0s2b
> 
> (for appropriate values of ad0s2b).  All kernels include ddb.  I
> entered the debugger with ctrl-alt-esc and entered "panic".  The
> kernel from January dumps just fine.  The kernels from May and August
> hang.
> 
> Am I doing something wrong?  Has something else changed?  Does anybody
> else have this problem?

I also had this problem back in June when I was trying to get a crash
dump, but nobody replied (see
http://lists.freebsd.org/pipermail/freebsd-current/2004-June/029434.html).
I then learnt that I can use call doadump in ddb and have been using
that since then.

-Radek