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From: John Baldwin <jhb@freebsd.org>
To: freebsd-hackers@freebsd.org,
 Jordan Hubbard <jkh@mail.turbofuzz.com>
Subject: Re: Kernel dumps [was Re: possible changes from Panzura]
Date: Thu, 11 Jul 2013 10:28:37 -0400
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Cc: Will Andrews <will@firepipe.net>
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> Speaking of Apple solutions, I've recently used Apple's kgdb with the
> kernel debug kit & kdp remote debugging, to debug a panic'd OS X host.
>  It's really quite nice, because the debug kit comes with a ton of
> macros, similar to kdb, and you also get the benefit of source
> debugging.  I think FreeBSD would benefit massively from finding some
> way to share macros between kdb and kgdb, in addition to having an
> "emergency network stack" like you suggest.

I have a set of macros I maintain that implement many ddb commands in
kgdb including 'sleepchain' and 'lockchain'.

http://www.freebsd.org/~jhb/gdb/

-- 
John Baldwin