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Date:      Fri, 14 Sep 2012 00:13:11 +0300
From:      Andriy Gapon <avg@FreeBSD.org>
To:        Mark Felder <feld@feld.me>
Cc:        freebsd-hackers@FreeBSD.org, Kurt Lidl <lidl@pix.net>
Subject:   Re: Please help me diagnose this crazy VMWare/FreeBSD 8.x crash
Message-ID:  <50524C67.3040403@FreeBSD.org>
In-Reply-To: <op.wkla2ksa34t2sn@tech304>
References:  <op.wbwe9s0k34t2sn@tech304> <201205311157.42909.jhb@freebsd.org> <19d73256-b7c6-417e-a051-a5faeabf219d@email.android.com> <201209121520.26337.jhb@freebsd.org> <op.wkkwu1sx34t2sn@tech304> <5051F7A0.90901@FreeBSD.org> <op.wkk0qzwj34t2sn@tech304> <20120913162815.GA1219@pix.net> <op.wkla2ksa34t2sn@tech304>

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on 13/09/2012 22:57 Mark Felder said the following:
> On Thu, 13 Sep 2012 11:28:15 -0500, Kurt Lidl <lidl@pix.net> wrote:
> 
>> Isn't this what you want?
>>
>> http://stackframe.blogspot.com/2007/04/debugging-linux-kernels-with.html
>>
>> -Kurt
> 
> Interesting -- it looks like that's an option on ESX as well. The only question
> is: what do I do with that? It's going to give me the debugging entire VM, not
> the kernel inside. Without being a VMWare developer I imagine its data will be a
> bit useless :-(

No, gdb stub is for debugging what is running inside the VM.
E.g. look here for an example of how to do that with qemu:
http://andriygapon.wikispaces.com/QemuSetup
VMWare with gdb stub enabled should not be any different.

-- 
Andriy Gapon



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