From owner-freebsd-stable@FreeBSD.ORG Sat Jul 4 16:56:54 2009 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 927E0106567A for ; Sat, 4 Jul 2009 16:56:54 +0000 (UTC) (envelope-from rwatson@FreeBSD.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id 6CFC88FC0C for ; Sat, 4 Jul 2009 16:56:54 +0000 (UTC) (envelope-from rwatson@FreeBSD.org) Received: from fledge.watson.org (fledge.watson.org [65.122.17.41]) by cyrus.watson.org (Postfix) with ESMTPS id 246B746B38; Sat, 4 Jul 2009 12:56:54 -0400 (EDT) Date: Sat, 4 Jul 2009 17:56:54 +0100 (BST) From: Robert Watson X-X-Sender: robert@fledge.watson.org To: Ian J Hart In-Reply-To: <20090703100627.197838cphjnil82s@10.248.192.16> Message-ID: References: <20090703100627.197838cphjnil82s@10.248.192.16> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-stable@freebsd.org Subject: Re: trap 12 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: Sat, 04 Jul 2009 16:56:55 -0000 On Fri, 3 Jul 2009, Ian J Hart wrote: > Is this likely to be hardware? Details will follow if not. This looks like a kernel NULL pointer deference (faulting address 0x0), which means it is most likely a kernel bug, although it could be triggered by a hardare problem. If this early in the boot or a diskless box, hence no dump device? Robert N M Watson Computer Laboratory University of Cambridge > > [copied from a screen dump] > > Fatal trap 12: page fault while in kernel mode > cpuid = 1; apic id = 01 > fault virtual address = 0x0 > fault code = supervisor write data, page not present > instruction pointer = 0x8:0xffffffff807c6c12 > stack pointer = 0x10:0xffffffff510e7890 > frame pointer = 0x10:0xffffff00054a6c90 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, long 1 def32 0, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 75372 (printf) > trap number = 12 > panic: page fault > cpuid = 1 > uptime: 8m2s > Cannot dump. No dump device defined. > > > -- > ian j hart > > > ---------------------------------------------------------------- > This message was sent using IMP, the Internet Messaging Program. > > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"