From owner-freebsd-current@FreeBSD.ORG Tue Dec 23 09:02:34 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 A441216A4CE for ; Tue, 23 Dec 2003 09:02:34 -0800 (PST) Received: from mail1.speakeasy.net (mail1.speakeasy.net [216.254.0.201]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6EDF043D50 for ; Tue, 23 Dec 2003 09:02:33 -0800 (PST) (envelope-from jhb@FreeBSD.org) Received: (qmail 28024 invoked from network); 23 Dec 2003 17:02:32 -0000 Received: from dsl027-160-063.atl1.dsl.speakeasy.net (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender ) encrypted SMTP for ; 23 Dec 2003 17:02:32 -0000 Received: from laptop.baldwin.cx (gw1.twc.weather.com [216.133.140.1]) by server.baldwin.cx (8.12.10/8.12.10) with ESMTP id hBNH2TM0051472; Tue, 23 Dec 2003 12:02:29 -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: Date: Tue, 23 Dec 2003 12:02:30 -0500 (EST) From: John Baldwin To: Danny Braniss X-Spam-Checker-Version: SpamAssassin 2.55 (1.174.2.19-2003-05-19-exp) cc: freebsd-current@freebsd.org Subject: RE: panic 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: Tue, 23 Dec 2003 17:02:34 -0000 On 23-Dec-2003 Danny Braniss wrote: > for a long time, and on different hardware, writing to a local disk > with data from the net (tar/dump etc) panics. > > this one in particular, is quiet consistant: > tar cf - -C /net/.... | tar xvpf - > > Fatal trap 12: page fault while in kernel mode > fault virtual address = 0xc0f7 > fault code = supervisor read, page not present > instruction pointer = 0x8:0xc05a1430 > stack pointer = 0x10:0xc655d7e0 > frame pointer = 0x10:0xc655d8bc > 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 = 494 (tar) > kernel: type 12 trap, code=0 > Stopped at ip_output+0xe10: leal 0xffffffd4(%ebp),%eax > > any help I can provide? A trace might help. Also, if you have a debug kernel, doing a gdb -k kernel.debug and 'l *0xc05a1430' will give the source line that it crashed on. -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/