From owner-freebsd-amd64@FreeBSD.ORG  Sun Nov  2 22:32:22 2003
Return-Path: <owner-freebsd-amd64@FreeBSD.ORG>
Delivered-To: freebsd-amd64@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 6557C16A4CE
	for <amd64@FreeBSD.org>; Sun,  2 Nov 2003 22:32:22 -0800 (PST)
Received: from obsecurity.dyndns.org
	(adsl-63-207-60-234.dsl.lsan03.pacbell.net [63.207.60.234])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 7016743FA3
	for <amd64@FreeBSD.org>; Sun,  2 Nov 2003 22:32:21 -0800 (PST)
	(envelope-from kris@obsecurity.org)
Received: from rot13.obsecurity.org (rot13.obsecurity.org [10.0.0.5])
	by obsecurity.dyndns.org (Postfix) with ESMTP
	id C34FF66CFA; Sun,  2 Nov 2003 22:32:20 -0800 (PST)
Received: by rot13.obsecurity.org (Postfix, from userid 1000)
	id 7A763BD8; Sun,  2 Nov 2003 22:32:20 -0800 (PST)
Date: Sun, 2 Nov 2003 22:32:20 -0800
From: Kris Kennaway <kris@obsecurity.org>
To: Peter Wemm <peter@wemm.org>
Message-ID: <20031103063220.GA27749@rot13.obsecurity.org>
References: <20031102212517.GA51674@rot13.obsecurity.org>
	<20031103055955.AB5E62A8EB@canning.wemm.org>
Mime-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha1;
	protocol="application/pgp-signature"; boundary="a8Wt8u1KmwUX3Y2C"
Content-Disposition: inline
In-Reply-To: <20031103055955.AB5E62A8EB@canning.wemm.org>
User-Agent: Mutt/1.4.1i
cc: amd64@FreeBSD.org
cc: Kris Kennaway <kris@obsecurity.org>
Subject: Re: Fatal trap 9: general protection fault while in kernel mode
X-BeenThere: freebsd-amd64@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Porting FreeBSD to the AMD64 platform <freebsd-amd64.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-amd64>,
	<mailto:freebsd-amd64-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-amd64>
List-Post: <mailto:freebsd-amd64@freebsd.org>
List-Help: <mailto:freebsd-amd64-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-amd64>,
	<mailto:freebsd-amd64-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 03 Nov 2003 06:32:22 -0000


--a8Wt8u1KmwUX3Y2C
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline

On Sun, Nov 02, 2003 at 09:59:55PM -0800, Peter Wemm wrote:

> For the record, I have not seent this before.   Can you please save the
> kernel that blew up with that?  A GPF is kinda odd for a kernel trap.  Its
> normally something that comes from a misaligned SSE2 register write to
> stack.  Unfortunately, the disassembler has not been taught about the REX
> prefixes yet.  "decl %eax" is a rex prefix for the next instruction.

hammer01 is still sitting in DDB if you want to play with it.

Kris

--a8Wt8u1KmwUX3Y2C
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.3 (FreeBSD)

iD8DBQE/pfZzWry0BWjoQKURApWLAKDKEdJanbFqa6xkekGCkfEtENYP/gCeLcEm
WO4AnZ6epCqT16vYk2Sb0fo=
=Z95Z
-----END PGP SIGNATURE-----

--a8Wt8u1KmwUX3Y2C--