From owner-freebsd-amd64@FreeBSD.ORG Wed Dec 21 18:47:45 2005 Return-Path: X-Original-To: freebsd-amd64@freebsd.org Delivered-To: freebsd-amd64@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8CD1C16A41F; Wed, 21 Dec 2005 18:47:45 +0000 (GMT) (envelope-from jmg@hydrogen.funkthat.com) Received: from hydrogen.funkthat.com (gate.funkthat.com [69.17.45.168]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9439543D6B; Wed, 21 Dec 2005 18:47:38 +0000 (GMT) (envelope-from jmg@hydrogen.funkthat.com) Received: from hydrogen.funkthat.com (localhost.funkthat.com [127.0.0.1]) by hydrogen.funkthat.com (8.13.3/8.13.3) with ESMTP id jBLIlYTV018725; Wed, 21 Dec 2005 10:47:34 -0800 (PST) (envelope-from jmg@hydrogen.funkthat.com) Received: (from jmg@localhost) by hydrogen.funkthat.com (8.13.3/8.13.3/Submit) id jBLIlYi4018723; Wed, 21 Dec 2005 10:47:34 -0800 (PST) (envelope-from jmg) Date: Wed, 21 Dec 2005 10:47:33 -0800 From: John-Mark Gurney To: John Baldwin Message-ID: <20051221184733.GF19490@funkthat.com> Mail-Followup-To: John Baldwin , freebsd-amd64@freebsd.org References: <43A91804.4090301@jetnet.co.uk> <200512211116.21392.jhb@freebsd.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200512211116.21392.jhb@freebsd.org> User-Agent: Mutt/1.4.2.1i X-Operating-System: FreeBSD 5.4-RELEASE-p6 i386 X-PGP-Fingerprint: B7 EC EF F8 AE ED A7 31 96 7A 22 B3 D8 56 36 F4 X-Files: The truth is out there X-URL: http://resnet.uoregon.edu/~gurney_j/ X-Resume: http://resnet.uoregon.edu/~gurney_j/resume.html Cc: freebsd-amd64@freebsd.org Subject: Re: how to get more info #2 X-BeenThere: freebsd-amd64@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: John-Mark Gurney List-Id: Porting FreeBSD to the AMD64 platform List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Dec 2005 18:47:45 -0000 John Baldwin wrote this message on Wed, Dec 21, 2005 at 11:16 -0500: > On Wednesday 21 December 2005 03:53 am, David Reid wrote: > > Following on from my last attempt to get more information on why my box > > keeps rebooting, it was suggested that the lack of panics was a function > > of running under X. Off list it was suggested I try remote debugging > > via firewire, something I have now done. > > > > The panic showed up in vm_map_entry_splay as a page fault. The function > > was called following a trap 0xc. > > > > I tried to get into gdb to get more information but it complained about > > a lack of remote debuggers. > > > > As I'm still new to the remote debugging thing does anyone have any > > pointers/suggestions for how to extract more information next time it > > crashes and what sort of information I should post? > > Compile KDB and DDB into the kernel. You can then use 'tr' in ddb to get a > stack trace. add option GDB if you want to try to use gdb w/ it too. Though ddb is usually enough for basic stuff like getting a back trace like jhb said above... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."