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Date: Sat, 5 Mar 2005 14:05:06 -0500 (EST)
From: "Mike Jakubik" <mikej@rogers.com>
To: "Doug White" <dwhite@gumbysoft.com>
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cc: freebsd-current@freebsd.org
cc: Jeremie Le Hen <jeremie@le-hen.org>
Subject: Re: Reproducible Panic with port iplog
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Doug White said:

> I'll see if I can reproduce this, but in the interim you might try
> disabling PREEMPTION.  It doesn't quite have all the bugs worked out yet.

Disabling PREEMPTION does indeed stop the panic from occuring.

> If you want to get a dump try compiling in KDB and DDB then doing "call
> doadump" when it panics.  It should either start dumping or complain why
> it can't. Last I checked dumps to ATA worked :)

Typing "call doadump" in the kernel debugger does work. Is there no way to
have the kernel automatically do a dump when the system panics and there
is no debugger compiled in?