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Date: Mon, 11 Oct 2010 17:34:34 +0000
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From: Paul B Mahol <onemda@gmail.com>
To: freebsd-current@freebsd.org
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Subject: panic on kthread_exit under INVARIANTS
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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 recent commit.