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From: Gerrit Nagelhout <gnagelhout@sandvine.com>
To: stable@freebsd.org
Date: Thu, 11 Mar 2004 17:23:48 -0500
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Subject: RE: kernel panic using kqueue with EVFILT_TIMER and timeout 0
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>> Hi,

>> We have been getting some kernel panics while using kqueue, and have
>> narrowed it down to a simple program. 

I have found the problem.  There is a race condition in kern_event.c.  I
have submitted the following patch:

http://www.freebsd.org/cgi/query-pr.cgi?pr=64121