From owner-freebsd-current@FreeBSD.ORG Thu Nov 20 12:17:36 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 0246B16A4CF for ; Thu, 20 Nov 2003 12:17:36 -0800 (PST) Received: from mail.speakeasy.net (mail8.speakeasy.net [216.254.0.208]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1521643FBD for ; Thu, 20 Nov 2003 12:17:35 -0800 (PST) (envelope-from jhb@FreeBSD.org) Received: (qmail 5631 invoked from network); 20 Nov 2003 20:17:34 -0000 Received: from unknown (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender )encrypted SMTP for ; 20 Nov 2003 20:17:34 -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 hAKKHTFn031740; Thu, 20 Nov 2003 15:17:30 -0500 (EST) (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: <20031120195332.GA47010@crodrigues.org> Date: Thu, 20 Nov 2003 15:17:29 -0500 (EST) From: John Baldwin To: Craig Rodrigues X-Spam-Checker-Version: SpamAssassin 2.55 (1.174.2.19-2003-05-19-exp) cc: current@FreeBSD.org cc: Kris Kennaway Subject: Re: spin lock sched lock held by 0xc25a8640 for > 5 seconds 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, 20 Nov 2003 20:17:36 -0000 On 20-Nov-2003 Craig Rodrigues wrote: > On Thu, Nov 20, 2003 at 11:03:42AM -0800, Kris Kennaway wrote: >> c052e000 t propagate_priority >> c052e360 T init_turnstiles > > Is your crash similar to the one I saw on my system yesterday? No, your real panic was earlier. The pp was a later panic during the buffer sync. > Script started on Thu Nov 20 14:50:14 2003 > [root@dibbler /opt/crash]% gdb -k /usr/obj/usr/src/sys/MYKERNEL1/kernel.debug vmcore. > 0 > GNU gdb 5.2.1 (FreeBSD) > Copyright 2002 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-undermydesk-freebsd"... > panic: page fault > panic messages: > --- > Fatal trap 12: page fault while in kernel mode > cpuid = 0; apic id = 00 > fault virtual address = 0x6300040 > fault code = supervisor read, page not present > instruction pointer = 0x8:0xc083611e Can you do a 'l *0xc083611e' on in gdb on your kernel.debug > stack pointer = 0x10:0xd3383a24 > frame pointer = 0x10:0xd3383a34 > 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 = 75969 (tcpdump) > trap number = 12 > panic: page fault > cpuid = 0; > > syncing disks, buffers remaining... panic: sleeping thread (pid 75969) owns a non-sleepable lock This is where pp panic'd. -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/