From owner-freebsd-stable@FreeBSD.ORG Wed Jan 16 22:25:44 2008 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B57F216A473 for ; Wed, 16 Jan 2008 22:25:44 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from speedfactory.net (mail.speedfactory.net [66.23.216.219]) by mx1.freebsd.org (Postfix) with ESMTP id 6132213C4E7 for ; Wed, 16 Jan 2008 22:25:44 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (unverified [66.23.211.162]) by speedfactory.net (SurgeMail 3.8q) with ESMTP id 228764640-1834499 for multiple; Wed, 16 Jan 2008 17:23:53 -0500 Received: from localhost.corp.yahoo.com (john@localhost [127.0.0.1]) (authenticated bits=0) by server.baldwin.cx (8.13.8/8.13.8) with ESMTP id m0GMPb5r074095; Wed, 16 Jan 2008 17:25:37 -0500 (EST) (envelope-from jhb@freebsd.org) From: John Baldwin To: freebsd-stable@freebsd.org Date: Wed, 16 Jan 2008 17:20:46 -0500 User-Agent: KMail/1.9.7 References: <20080116105453.72c0b78e@meijome.net> <200801160931.56332.jhb@freebsd.org> In-Reply-To: <200801160931.56332.jhb@freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200801161720.46319.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (server.baldwin.cx [127.0.0.1]); Wed, 16 Jan 2008 17:25:37 -0500 (EST) X-Virus-Scanned: ClamAV 0.91.2/5488/Wed Jan 16 15:44:30 2008 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=4.2 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.1.3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on server.baldwin.cx Cc: Norberto Meijome Subject: Re: Kernel panic when kldunload acpi_video X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Jan 2008 22:25:44 -0000 On Wednesday 16 January 2008 09:31:55 am John Baldwin wrote: > On Tuesday 15 January 2008 06:54:53 pm Norberto Meijome wrote: > > I have crash dumps, but unfortunately, i wiped the kernel.debug after > > starting a full clean rebuild of kernel + world for today's changes. > > Please get a crash dump with matching kernel.debug and acpi_video.ko.debug. > Then grab www.freebsd.org/~jhb/gdb/gdb6 and source it while running kgdb. > You can use the 'kldload' command to generate output that you can pass to > asf(8) to generate a file you can source to import the symbols into kgdb > for the kernel module. Then you can get a stack trace which will help > track down the problem. Actually, you can simplify this some because you can make asf work directly on a crash dump though it may take some work to make it find your kld correctly. -- John Baldwin