From owner-freebsd-questions@FreeBSD.ORG Mon Apr 19 03:57:41 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B2E2216A4CE; Mon, 19 Apr 2004 03:57:41 -0700 (PDT) Received: from www.wcborstel.nl (node-c-0ab6.a2000.nl [62.194.10.182]) by mx1.FreeBSD.org (Postfix) with ESMTP id 14A4943D48; Mon, 19 Apr 2004 03:57:41 -0700 (PDT) (envelope-from jorn@wcborstel.nl) Received: from [172.16.1.2] (unknown [172.16.1.2]) by www.wcborstel.nl (Postfix) with ESMTP id CC56617067; Mon, 19 Apr 2004 12:57:50 +0200 (CEST) From: Jorn Argelo To: Greg 'groggy' Lehey Date: Mon, 19 Apr 2004 12:56:56 +0200 User-Agent: KMail/1.6.1 References: <200404182001.46732.jorn@wcborstel.nl> <200404191145.37313.jorn@wcborstel.nl> <20040419100645.GY74025@wantadilla.lemis.com> In-Reply-To: <20040419100645.GY74025@wantadilla.lemis.com> MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200404191256.56436.jorn@wcborstel.nl> cc: questions@freebsd.org Subject: Re: Kernel debugging question X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Apr 2004 10:57:41 -0000 [snip] > > > I did enable the rest though. This is the output of the debugging, > > What is the output of the "debugging"? Your message contained only > the panic message and the gdb prompt: I used the gdb -k /boot/kernel/kernel.debug /home/jorn/dump/vmcore.0 command, and the output with the previous mail was the output of that command. A small, perhaps irrelevant sidenote, is that the kernel.debug file was only located in the /usr/obj/usr/src/sys/KERNCONF, and not in /boot/kernel as described in the documentation of FreeBSD. > > #0 doadump () at /usr/src/sys/kern/kern_shutdown.c:240 > > (kgdb) > You want at least a backtrace. How do I do that? I'm sorry, but I've never done a kernel debug or anything. > > Or am I forgetting something? > > Yes. > > Debugging crash dumps is work. People occasionally do work for free, > but I'd be very surprised if you found somebody to help you with this > one, especially without a debug kernel or even a backtrace. > > I'd suggest you catch another dump after you've booted your debug > kernel, then post the backtrace. That way we'll have something to go > on. If I have time, I'll reply with a preliminary analysis. Thanks Greg, I would really appreciate that. It's rather frustrating to see your once rock-solid machine freezing frequently. > Greg > -- > When replying to this message, please copy the original recipients. > If you don't, I may ignore the reply or reply to the original recipients. > For more information, see http://www.lemis.com/questions.html > Note: I discard all HTML mail unseen. > Finger grog@FreeBSD.org for PGP public key. > See complete headers for address and phone numbers.