From owner-freebsd-bugs@FreeBSD.ORG Wed Jun 25 07:50:09 2003 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1B6F937B401 for ; Wed, 25 Jun 2003 07:50:09 -0700 (PDT) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id AF2DB43FF3 for ; Wed, 25 Jun 2003 07:50:07 -0700 (PDT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.12.9/8.12.9) with ESMTP id h5PEo7Up076812 for ; Wed, 25 Jun 2003 07:50:07 -0700 (PDT) (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.12.9/8.12.9/Submit) id h5PEo73F076811; Wed, 25 Jun 2003 07:50:07 -0700 (PDT) Resent-Date: Wed, 25 Jun 2003 07:50:07 -0700 (PDT) Resent-Message-Id: <200306251450.h5PEo73F076811@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Kuang-che Wu Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 57F8A37B401 for ; Wed, 25 Jun 2003 07:40:48 -0700 (PDT) Received: from kcwu.homeip.net (u142-187.u61-70.giga.net.tw [61.70.142.187]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0B2DA44001 for ; Wed, 25 Jun 2003 07:40:47 -0700 (PDT) (envelope-from kcwu@kcwu.homeip.net) Received: from kcwu.homeip.net (fakeidkcwu@kcwu.homeip.net [127.0.0.1]) by kcwu.homeip.net (8.12.9/8.12.9) with ESMTP id h5PEej3F043593 for ; Wed, 25 Jun 2003 22:40:45 +0800 (CST) (envelope-from kcwu@kcwu.homeip.net) Received: (from kcwu@localhost) by kcwu.homeip.net (8.12.9/8.12.9/Submit) id h5PEeibv043592; Wed, 25 Jun 2003 22:40:44 +0800 (CST) (envelope-from kcwu) Message-Id: <200306251440.h5PEeibv043592@kcwu.homeip.net> Date: Wed, 25 Jun 2003 22:40:44 +0800 (CST) From: Kuang-che Wu To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 Subject: kern/53725: fatal trap 12 during boot, sys/dev/pci/pci.c X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: Kuang-che Wu List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Jun 2003 14:50:09 -0000 >Number: 53725 >Category: kern >Synopsis: fatal trap 12 during boot, sys/dev/pci/pci.c >Confidential: no >Severity: critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Jun 25 07:50:07 PDT 2003 >Closed-Date: >Last-Modified: >Originator: Kuang-che Wu >Release: FreeBSD 5.1-CURRENT i386 >Organization: >Environment: System: FreeBSD kcwu.homeip.net 5.1-CURRENT FreeBSD 5.1-CURRENT #4: Mon Jun 23 23:40:40 CST 2003 root@kcwu.homeip.net:/files/usr.obj/usr/src/sys/DESKTOP i386 >Description: I upgrade my world to latest current yesterday. And it panic on my notebook during boot, around pci messages. I use GENERIC config for this testing. And I unset acpi_load, otherwise it will hang during boot. Here is the panic message. Pentium Pro MTRR support enabled npx0: on motherboard npx0: INT 16 interface pcibios: BIOS version 2.10 Using $PIR table, 6 entries at 0xc00fe840 pcib0: at pcibus 0 on motherboard pci0: on pcib0 Fatal trap 12: page fault while in kernel mode fault virtual address = 0xeb813 fault code = supervisor read, page not present instruction pointer = 0x8:0xc00eb714 stack pointer = 0x10:0xc06fda3c frame pointer = 0x10:0xc06fda3c 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 = 0 (swapper) kernel: type 12 trap, code=0 Stopped at 0xc00eb714: cmpb %cs:0x1(%esi),%bl db> tr kernbase(c0d31580,c04a499d,c06fdad4,50d,38) at 0xc00eb714 _end(cb9d08c4,c4f6ec8b,81067540,ffffe5,e67f2400) at 0xc06fdaa8 db> And what I got from gdb: /usr/obj/usr/src/sys/GENERIC# gdb -q -k kernel.debug (kgdb) l *0xc00eb714 No source file for address 0xc00eb714. After binary search, I found the difference between panic or not is reversion 1.215 and 1.216 of sys/dev/pci/pci.c. Kernel panic all from 1.216 to 1.221 of pci.c. If you want to have more information, please let me know. >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted: