From owner-freebsd-current@FreeBSD.ORG Tue May 22 12:55:08 2012 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 3D1FB1065674 for ; Tue, 22 May 2012 12:55:08 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from bigwig.baldwin.cx (bigknife-pt.tunnel.tserv9.chi1.ipv6.he.net [IPv6:2001:470:1f10:75::2]) by mx1.freebsd.org (Postfix) with ESMTP id 140698FC18 for ; Tue, 22 May 2012 12:55:08 +0000 (UTC) Received: from jhbbsd.localnet (unknown [209.249.190.124]) by bigwig.baldwin.cx (Postfix) with ESMTPSA id 7CF0DB9AD; Tue, 22 May 2012 08:55:07 -0400 (EDT) From: John Baldwin To: freebsd-current@freebsd.org Date: Tue, 22 May 2012 08:51:05 -0400 User-Agent: KMail/1.13.5 (FreeBSD/8.2-CBSD-20110714-p13; KDE/4.5.5; amd64; ; ) References: <4FB7D2B5.6030609@gmail.com> <4FB82FB1.7000902@gmail.com> In-Reply-To: <4FB82FB1.7000902@gmail.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Message-Id: <201205220851.05107.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.7 (bigwig.baldwin.cx); Tue, 22 May 2012 08:55:07 -0400 (EDT) Cc: deeptech71@gmail.com Subject: Re: video drivers are locked up; panic during shutdown X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 May 2012 12:55:08 -0000 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