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Date:      Fri, 17 May 2002 12:54:01 -0400 (EDT)
From:      Andrew Gallatin <gallatin@cs.duke.edu>
To:        "Marc G. Fournier" <scrappy@hub.org>
Cc:        freebsd-current@freebsd.org, freebsd-hackers@freebsd.org
Subject:   Re: How to dump a 4gig system on panic ?
Message-ID:  <15589.13737.302689.294546@grasshopper.cs.duke.edu>
In-Reply-To: <20020517134254.W41731-100000@mail1.hub.org>
References:  <15589.12829.973741.896717@grasshopper.cs.duke.edu> <20020517134254.W41731-100000@mail1.hub.org>

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Marc G. Fournier writes:
 > 
 > Well, downloaded the files (a .tar.gz would be nice? *grin*) and the
 > client built perfectly, and kldload worked fine ... is there some way
 > someone can suggest of 'simulating a crash'?  Some way to test to make
 > sure that it is working as expected?  I have a 4.6-PRE machine on my desk
 > that I'd like to test with before I try it on "the real thing", if at all
 > possible?

break into ddb & do: 
      ddb > call dumpsys()

Unless you're running a savecore which supports partial dumps, you
need to disable partial dumps (sysctl net.net_dump.partial=0).

And remember, you'll be spewing the contents of your ram (possibly
passwords, etc) across the network in clear text.

Drew

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