From owner-freebsd-current@FreeBSD.ORG Mon Dec 29 14:04:27 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id AF9EE16A4CE for ; Mon, 29 Dec 2003 14:04:27 -0800 (PST) Received: from mail4.speakeasy.net (mail4.speakeasy.net [216.254.0.204]) by mx1.FreeBSD.org (Postfix) with ESMTP id 66B2443D53 for ; Mon, 29 Dec 2003 14:04:24 -0800 (PST) (envelope-from jhb@FreeBSD.org) Received: (qmail 14450 invoked from network); 29 Dec 2003 22:04:23 -0000 Received: from dsl027-160-063.atl1.dsl.speakeasy.net (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender ) encrypted SMTP for ; 29 Dec 2003 22:04:23 -0000 Received: from laptop.baldwin.cx (gw1.twc.weather.com [216.133.140.1]) by server.baldwin.cx (8.12.10/8.12.10) with ESMTP id hBTM4KM0083069; Mon, 29 Dec 2003 17:04:20 -0500 (EST) (envelope-from jhb@FreeBSD.org) Message-ID: X-Mailer: XFMail 1.5.4 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <3FEF4D94.9040808@diefree.com> Date: Mon, 29 Dec 2003 17:04:23 -0500 (EST) From: John Baldwin To: Dan Hulme X-Spam-Checker-Version: SpamAssassin 2.55 (1.174.2.19-2003-05-19-exp) cc: freebsd-current@freebsd.org Subject: RE: ACPI causes page fault/panic upon reboot X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Mon, 29 Dec 2003 22:04:27 -0000 On 28-Dec-2003 Dan Hulme wrote: > When I reboot my FreeBSD 5.2RC2 machine, I get the following message > every time. This is an HP pavilion 6740C with an additional network > card (realtek of some kind). If you need more info, let me know. The > problem doesn't bother me, except that rebooting takes an extra 15 > seconds, but it seems to be some kind of bug in ACPI. > > -Dan > > ------------------------ > > Shutting down ACPI > > Fatal trap 12: page fault while in kernel mode > fault virtual address = 0x18 > fault code = supervisor write, page not present > instruction pointer = 0x8:0xc05fd8c5 > stack pointer = 0x10:0xd032cc90 > frame pointer = 0x10:0xd032ccc0 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, def32 1, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 19 (irq9: rl0 dc0 acpi0) > trap number = 12 > panic: page fault > Uptime: 25m41s > Shutting down ACPI Can you build a debug kernel, reproduce the panic, and then do a list from gdb on your kernel.debug of the instruction pointer? For example, from the above you do: gdb -k kernel.debug l *0xc05fd8c5 -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/