From owner-freebsd-current@FreeBSD.ORG  Tue Oct 12 01:41:17 2010
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Date: Tue, 12 Oct 2010 09:41:17 +0000
From: David Xu <davidxu@freebsd.org>
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To: Paul B Mahol <onemda@gmail.com>
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Cc: freebsd-current@freebsd.org
Subject: Re: panic on kthread_exit under INVARIANTS
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Paul B Mahol wrote:
> Hi,
> 
> If kernel threads were created via kproc_kthread_add()
> when last kernel thread exits it will trigger panic.
> 
> It panics in queue.h .... probably introduced with rec


I have committed a patch, can you try it ?
http://svn.freebsd.org/changeset/base/213714

Regards,
David Xu