From owner-freebsd-stable@FreeBSD.ORG Wed Oct 24 21:55:16 2007 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 41A7C16A419 for ; Wed, 24 Oct 2007 21:55:16 +0000 (UTC) (envelope-from doug@polands.org) Received: from ms-smtp-02.rdc-kc.rr.com (ms-smtp-02.rdc-kc.rr.com [24.94.166.122]) by mx1.freebsd.org (Postfix) with ESMTP id D989413C4B3 for ; Wed, 24 Oct 2007 21:55:15 +0000 (UTC) (envelope-from doug@polands.org) Received: from corinth.polands.org (CPE-75-87-219-217.new.res.rr.com [75.87.219.217]) by ms-smtp-02.rdc-kc.rr.com (8.13.6/8.13.6) with ESMTP id l9OK1mjf000800 for ; Wed, 24 Oct 2007 15:01:48 -0500 (CDT) Received: from omnihp-rj45.polands.org (ammon.polands.org [172.16.1.7]) by corinth.polands.org (8.13.8/8.13.8) with ESMTP id l9OK8ecV034390 for ; Wed, 24 Oct 2007 15:08:40 -0500 (CDT) (envelope-from doug@polands.org) Message-ID: <471FA648.7020407@polands.org> Date: Wed, 24 Oct 2007 15:08:40 -0500 From: Doug Poland User-Agent: Thunderbird 2.0.0.6 (X11/20071020) MIME-Version: 1.0 To: freebsd-stable@freebsd.org Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: Symantec AntiVirus Scan Engine X-Virus-Scanned: ClamAV 0.88.4/4590/Wed Oct 24 10:20:13 2007 on corinth.polands.org X-Virus-Status: Clean Subject: Fatal trap 12 on 7.0-BETA1 i386 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Oct 2007 21:55:16 -0000 Hello, I just had a kernel panic using BETA1. According to the Developer Handbook Kernel Debugging, I'm supplying the following information in hopes that it is useful. Please note: I'm not familiar with this process so you need more data, just ask: kgdb kernel.debug /var/crash/vmcore.0 [GDB will not be able to debug user-mode threads: /usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"] 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". Unread portion of the kernel message buffer: Fatal trap 12: page fault while in kernel mode cpuid = 1; apic id = 01 fault virtual address = 0x9006004 fault code = supervisor read, page not present instruction pointer = 0x20:0xc079c961 stack pointer = 0x28:0xe74a7bcc frame pointer = 0x28:0xe74a7be0 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 = 46 (ath0 taskq) trap number = 12 panic: page fault cpuid = 1 Uptime: 4h9m30s Physical memory: 3435 MB Dumping 214 MB: ... #0 doadump () at pcpu.h:195 195 __asm __volatile("movl %%fs:0,%0" : "=r" (td)); (kgdb) list *0xc079c961 0xc079c961 is in mb_free_ext (/usr/src/sys/kern/uipc_mbuf.c:226). 221 * check if the header is embedded in the cluster 222 */ 223 skipmbuf = (m->m_flags & M_NOFREE); 224 225 /* Free attached storage if this mbuf is the only reference to it. */ 226 if (*(m->m_ext.ref_cnt) == 1 || 227 atomic_fetchadd_int(m->m_ext.ref_cnt, -1) == 1) { 228 switch (m->m_ext.ext_type) { 229 case EXT_PACKET: /* The packet zone is special. */ 230 if (*(m->m_ext.ref_cnt) == 0)