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Date:      Tue, 22 May 2012 08:51:05 -0400
From:      John Baldwin <jhb@freebsd.org>
To:        freebsd-current@freebsd.org
Cc:        deeptech71@gmail.com
Subject:   Re: video drivers are locked up; panic during shutdown
Message-ID:  <201205220851.05107.jhb@freebsd.org>
In-Reply-To: <4FB82FB1.7000902@gmail.com>
References:  <4FB7D2B5.6030609@gmail.com> <4FB82FB1.7000902@gmail.com>

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On Saturday, May 19, 2012 7:41:37 pm deeptech71@gmail.com wrote:
> A perhaps more useful crashinfo output, gathered with the use of the 
original (non-debug) kernel.
> 

It seems like the mutex was zero'd which can result in this panic when it 
tries to adaptively spin (it sees a thread owner of NULL).

-- 
John Baldwin



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