From owner-freebsd-hackers@FreeBSD.ORG Sat May 27 10:59:22 2006 Return-Path: X-Original-To: freebsd-hackers@freebsd.org Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id AB7CF16A8BD for ; Sat, 27 May 2006 10:59:22 +0000 (UTC) (envelope-from joost@jodocus.org) Received: from bps.jodocus.org (a198193.upc-a.chello.nl [62.163.198.193]) by mx1.FreeBSD.org (Postfix) with ESMTP id E538B43D4C for ; Sat, 27 May 2006 10:59:21 +0000 (GMT) (envelope-from joost@jodocus.org) Received: from jodocus.org (localhost [127.0.0.1]) by bps.jodocus.org (8.13.6/8.13.6) with ESMTP id k4RAxJjo034525 for ; Sat, 27 May 2006 12:59:19 +0200 (CEST) (envelope-from joost@jodocus.org) Received: (from joost@localhost) by jodocus.org (8.13.6/8.13.6/Submit) id k4RAxJKQ034524 for freebsd-hackers@freebsd.org; Sat, 27 May 2006 12:59:19 +0200 (CEST) (envelope-from joost) Date: Sat, 27 May 2006 12:59:19 +0200 From: Joost Bekkers To: freebsd-hackers@freebsd.org Message-ID: <20060527105919.GA33939@bps.jodocus.org> Mail-Followup-To: Joost Bekkers , freebsd-hackers@freebsd.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.2.1i X-Greylist: Sender is SPF-compliant, not delayed by milter-greylist-2.0.2 (bps.jodocus.org [127.0.0.1]); Sat, 27 May 2006 12:59:19 +0200 (CEST) X-Virus-Scanned: ClamAV 0.88.1/1488/Sat May 27 10:30:18 2006 on bps.jodocus.org X-Virus-Status: Clean Subject: Trouble debugging a kernel dump (kgdb: kvm_read: invalid address) X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 27 May 2006 10:59:35 -0000 Hi The problem is probably in front of the keyboard, but I don't know what I'm doing wrong. A pc of a friend of mine has been crashing lately after installing 6.0R on it. It has ran 4.10R rock solid ever since it was released. Whenever I try to open the dump I get the following: # kgdb -d /usr/crash/ -n 0 /usr/src/sys/i386/compile/SAPPHIRE/kernel.debug kgdb: kvm_read: invalid address (0x50012) kgdb: kvm_read: invalid address (0x7) kgdb: kvm_read: invalid address (0x50) kgdb: kvm_read: invalid address (0x50) kgdb: kvm_read: invalid address (0x50) kgdb: kvm_read: invalid address (0x50) kgdb: kvm_read: invalid address (0x50) kgdb: kvm_read: invalid address (0x50) kgdb: kvm_read: invalid address (0x50) kgdb: kvm_read: invalid address (0x50) kgdb: kvm_read: invalid address (0x50) kgdb: kvm_read: invalid address (0x50)