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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