From owner-freebsd-questions@FreeBSD.ORG Tue Aug 4 15:10:55 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 735131065673 for ; Tue, 4 Aug 2009 15:10:55 +0000 (UTC) (envelope-from joey@mingrone.org) Received: from mail-ew0-f206.google.com (mail-ew0-f206.google.com [209.85.219.206]) by mx1.freebsd.org (Postfix) with ESMTP id 1635A8FC17 for ; Tue, 4 Aug 2009 15:10:54 +0000 (UTC) (envelope-from joey@mingrone.org) Received: by ewy2 with SMTP id 2so3752732ewy.43 for ; Tue, 04 Aug 2009 08:10:54 -0700 (PDT) MIME-Version: 1.0 Received: by 10.216.22.78 with SMTP id s56mr1446740wes.100.1249396663609; Tue, 04 Aug 2009 07:37:43 -0700 (PDT) Date: Tue, 4 Aug 2009 11:37:43 -0300 Message-ID: From: Joey Mingrone To: freebsd-questions@freebsd.org Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: kernel panics in 7.2-RELEASE X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Aug 2009 15:10:55 -0000 Hi, I have 7.2-RELEASE running on two older laptops and both have had a few kernel panics lately. Unfortunately the one that paniced today doesn't have debugging symbols, so I'm sure how useful any of output below will be. Joey % dmesg . . . Fatal trap 12: page fault while in kernel mode fault virtual address = 0x0 fault code = supervisor write, page not present instruction pointer = 0x20:0xc05e480b stack pointer = 0x28:0xe7228820 frame pointer = 0x28:0xe7228860 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 = 50277 (mtree) trap number = 12 panic: page fault . . . % sudo kgdb kernel /var/crash/vmcore.1 GNU gdb 6.1.1 [FreeBSD] Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-marcel-freebsd"...(no debugging symbols found)... Attempt to extract a component of a value that is not a structure pointer. Attempt to extract a component of a value that is not a structure pointer. Attempt to extract a component of a value that is not a structure pointer. Attempt to extract a component of a value that is not a structure pointer. #0 0xc0566ddb in doadump ()