From owner-freebsd-current@FreeBSD.ORG Thu Jul 3 07:34:25 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 644C237B41B for ; Thu, 3 Jul 2003 07:34:25 -0700 (PDT) Received: from mail.speakeasy.net (mail7.speakeasy.net [216.254.0.207]) by mx1.FreeBSD.org (Postfix) with ESMTP id C331B43FB1 for ; Thu, 3 Jul 2003 07:34:24 -0700 (PDT) (envelope-from jhb@FreeBSD.org) Received: (qmail 19636 invoked from network); 3 Jul 2003 14:34:24 -0000 Received: from unknown (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender )encrypted SMTP for ; 3 Jul 2003 14:34:24 -0000 Received: from laptop.baldwin.cx (gw1.twc.weather.com [216.133.140.1]) by server.baldwin.cx (8.12.9/8.12.9) with ESMTP id h63EYMGI080934; Thu, 3 Jul 2003 10:34:22 -0400 (EDT) (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: <1057206262.3848.13.camel@samurai.india.hp.com> Date: Thu, 03 Jul 2003 10:34:36 -0400 (EDT) From: John Baldwin To: Sid Carter cc: current@freebsd.org Subject: RE: acpi_thermal - panic on Compaq Evo N800c 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: Thu, 03 Jul 2003 14:34:25 -0000 On 03-Jul-2003 Sid Carter wrote: > Hi, > > I am running FreeBSD-Current on my Compaq Evo N800c laptop. > > I am having problems getting it to work with ACPI. I have compiled my > own acpi_dsdt.aml file using iasl and am using it. I keep getting this > panic whenever I boot into FreeBSD with ACPI enabled. > > The panic is something like this. > > ======================= > Fatal trap 12: page fault while in kernel mode > fault virtual address = 0x375 > fault code = supervisor read, page not present > instruction pointer = 0x8:0xc05da580 > stack pointer = 0x10:0xd686fbe0 > frame pointer = 0x10:0xd686fbe0 > code segment = base 0x0, limit 0xffff, type 0x1b > = DPL 0, pres 1, def32 1, gran 1 > processor flags = trace trap, interrupt enabled, resume, IOPL =0 > current process = 23 (acpi_thermal) > kernel: type 12 trap, code=0 > Stopped at AcpiNsMapHandleToNode+0x20: cmpb $0xaa,0(%edx) > ======================= (kgdb) l *AcpiNsMapHandleToNode+0x20 0xc015a840 is in AcpiNsMapHandleToNode (../../../contrib/dev/acpica/nsutils.c:854). 854 if (ACPI_GET_DESCRIPTOR_TYPE (Handle) != ACPI_DESC_TYPE_NAMED) Likely Handle is NULL (note the fault address). A stack trace would be very helpful. -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/