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From: Hans Petter Selasky <hselasky@c2i.net>
To: freebsd-usb@freebsd.org
Date: Sun, 7 Oct 2007 11:01:41 +0200
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Cc: Joe Altman <fj@panix.com>, freebsd-questions@freebsd.org
Subject: Re: Kernel panic; fatal trap 12;
	on task 22, USB0: was Re: Moused issues?
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On Saturday 06 October 2007, Joe Altman wrote:
> chthonic.com/crash-crash-crash

Hi,

Do you have "options KDB" in your kernel config file ?

http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-options.html

You should get a prompt when it panics. Then you type in "bt" for backtrace. 
Maybe you could take a picture of that. Probably someone is accessing a NULL 
pointer.

--HPS