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Date:      Thu, 22 Jul 1999 02:33:35 +0200 (CEST)
From:      Andrzej Bialecki <abial@webgiro.com>
To:        "Matthew D. Fuller" <fullermd@futuresouth.com>
Cc:        Matthew Dillon <dillon@apollo.backplane.com>, freebsd-current@FreeBSD.ORG
Subject:   Re: is dumpon/savecore broken?
Message-ID:  <Pine.BSF.4.05.9907220231310.33957-100000@freja.webgiro.com>
In-Reply-To: <19990721193036.B12369@futuresouth.com>

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On Wed, 21 Jul 1999, Matthew D. Fuller wrote:

> On Thu, Jul 22, 1999 at 02:19:37AM +0200, a little birdie told me
> that Andrzej Bialecki remarked
> > On Tue, 20 Jul 1999, Matthew Dillon wrote:
> > > 
> > >     You can do it manually from /etc/rc.  If it doesn't even get that far,
> > >     you used to be able to specify it in the kernel config but I do not know
> > >     if that is possible any more.
> > 
> > I remember doing this once or twice from DDB - writing appropriate values
> > to _dumpdev, as they appeared on running system.
> > 
> > Of course, the system can be in such state that this could equally well
> > do more harm than good... :-/
> 
> But lemme guess...
> This won't work with a system that panics before it gets around to
> probing the harddrives...
> 
> This is one of my present problems  :(

Then use remote GDB - it works miracles, I can tell you, it's just like
debugging any other user space program. See the section in the handbook on
that.

Andrzej Bialecki

//  <abial@webgiro.com> WebGiro AB, Sweden (http://www.webgiro.com)
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