From owner-freebsd-current@FreeBSD.ORG Fri Jun 4 07:59:54 2004 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 34E1016A4CE for ; Fri, 4 Jun 2004 07:59:54 -0700 (PDT) Received: from mail6.speakeasy.net (mail6.speakeasy.net [216.254.0.206]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0F10043D48 for ; Fri, 4 Jun 2004 07:59:54 -0700 (PDT) (envelope-from jhb@FreeBSD.org) Received: (qmail 15999 invoked from network); 4 Jun 2004 14:59:53 -0000 Received: from dsl027-160-063.atl1.dsl.speakeasy.net (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender ) encrypted SMTP for ; 4 Jun 2004 14:59:53 -0000 Received: from 10.50.41.233 (gw1.twc.weather.com [216.133.140.1]) by server.baldwin.cx (8.12.11/8.12.11) with ESMTP id i54ExoD9081468; Fri, 4 Jun 2004 10:59:50 -0400 (EDT) (envelope-from jhb@FreeBSD.org) From: John Baldwin To: freebsd-current@FreeBSD.org Date: Fri, 4 Jun 2004 11:00:37 -0400 User-Agent: KMail/1.6 References: In-Reply-To: MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200406041100.37671.jhb@FreeBSD.org> X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on server.baldwin.cx cc: Ian FREISLICH Subject: Re: It's happening again (panic early in boot) 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: Fri, 04 Jun 2004 14:59:54 -0000 On Friday 04 June 2004 06:45 am, Ian FREISLICH wrote: > Hi > > Every month or so after it started working I get this panic. > The panic then goes away after a month or two, with no explanation. > During the existence of the panic I try new kernel source once a day. > > This is an SMP machine. Using the same source UP kernels work fine, > SMP kernels don't. The last SMP kernel that worked is circa May 17. grr, I still don't know why this happens. One thing though is that if we can fix the nested panic we might can work on the first one. > -- > Ian Freislich > > Booting [/boot/kernel/kernel]... > /boot/kernel/acpi.ko text=0x3a0e4 data=0x19e4+0x11ac > syms=[0x4+0x6860+0x4+0x8a87 ] > Copyright (c) 1992-2004 The FreeBSD Project. > Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 > The Regents of the University of California. All rights reserved. > FreeBSD 5.2-CURRENT #15: Fri Jun 4 10:23:23 SAST 2004 > ianf@brane-dead.freislich.nom.za:/usr/src/sys/i386/compile/BRANE-DEAD > Preloaded elf kernel "/boot/kernel/kernel" at 0xc0728000. > Preloaded elf module "/boot/kernel/acpi.ko" at 0xc0728244. > Timecounter "i8254" frequency 1193182 Hz quality 0 > CPU: Pentium II/Pentium II Xeon/Celeron (267.27-MHz 686-class CPU) > Origin = "GenuineIntel" Id = 0x634 Stepping = 4 > > Features=0x80fbffCMO V,MMX> > real memory = 201261056 (191 MB) > avail memory = 191311872 (182 MB) > MPTable: > kernel trap 12 with interrupts disabled > > > Fatal trap 12: page fault while in kernel mode > cpuid = 0; apic id = 00 > fault virtual address = 0x1c > fault code = supervisor write, page not present > instruction pointer = 0x8:0xc058d98e Can you do a gdb -k on kernel.debug and do 'l *' on this address? That might let us fix the panic in vm_fault(). -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org