From owner-freebsd-current@FreeBSD.ORG Fri Jun 20 09:21:11 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 8537237B401 for ; Fri, 20 Jun 2003 09:21:11 -0700 (PDT) Received: from fledge.watson.org (fledge.watson.org [204.156.12.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id B1F6C44022 for ; Fri, 20 Jun 2003 09:21:10 -0700 (PDT) (envelope-from robert@fledge.watson.org) Received: from fledge.watson.org (localhost [127.0.0.1]) by fledge.watson.org (8.12.9/8.12.9) with ESMTP id h5KGL2KJ023491; Fri, 20 Jun 2003 12:21:02 -0400 (EDT) (envelope-from robert@fledge.watson.org) Received: from localhost (robert@localhost)h5KGL2D6023488; Fri, 20 Jun 2003 12:21:02 -0400 (EDT) (envelope-from robert@fledge.watson.org) Date: Fri, 20 Jun 2003 12:21:02 -0400 (EDT) From: Robert Watson X-Sender: robert@fledge.watson.org To: Manfred Antar In-Reply-To: <5.2.1.1.2.20030620085142.00a72ae8@pozo.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: current@freebsd.org Subject: Re: Current kernel Fatal Trap 12 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: Fri, 20 Jun 2003 16:21:11 -0000 If you have a version of the kernel in question on disk and with debugging symbols, could you attach gdb -k to it and send us the results of: l *0xc01f6212 That will provide a bit more information about where the panic is occuring. This is likely a NULL pointer dereference. Robert N M Watson FreeBSD Core Team, TrustedBSD Projects robert@fledge.watson.org Network Associates Laboratories On Fri, 20 Jun 2003, Manfred Antar wrote: > For the past week i have not been able to boot with current kernel. > The last kernel that works is from Sat June 14th. > When I build and try and boot a current kernel I get: > Fatal trap 12: page fault while in kernel mode > fault virtual address = 0x38 > fault code = supervisor read, page not present > instruction pointer = 0x8:0xc01f6212 > stack pointer = 0x10:0xc04b1e24 > frame pointer = 0x10:0xc04b1e24 > 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) > trap number = 12 > panic: page fault > Uptime: 1s > > > Fatal trap 12: page fault while in kernel mode > fault virtual address = 0x38 > fault code = supervisor read, page not present > instruction pointer = 0x8:0xc01f6212 > stack pointer = 0x10:0xc04b1cec > frame pointer = 0x10:0xc04b1cec > 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) > trap number = 12 > panic: page fault > Uptime: 1s > > This continues to scroll by many times and I can't get to the debugger. > The machine is i386 SMP dual pentium-pro overdrive processors. > Same thing happens with kernel configured as UNIprocessor. > > > > > ================================== > || null@pozo.com || > || Ph. (415) 681-6235 || > ================================== > > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >