From owner-freebsd-stable@FreeBSD.ORG Wed Mar 30 14:27:57 2005 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5B6B116A4CE for ; Wed, 30 Mar 2005 14:27:57 +0000 (GMT) Received: from obsecurity.dyndns.org (CPE0050040655c8-CM00111ae02aac.cpe.net.cable.rogers.com [69.194.102.111]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2319843D49 for ; Wed, 30 Mar 2005 14:27:57 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 538D0511F4; Wed, 30 Mar 2005 06:27:56 -0800 (PST) Date: Wed, 30 Mar 2005 06:27:56 -0800 From: Kris Kennaway To: Rene Ladan Message-ID: <20050330142756.GA82796@xor.obsecurity.org> References: <20050330101123.GA641@82-168-75-155-bbxl.xdsl.tiscali.nl> <20050330135103.GB66640@xor.obsecurity.org> <20050330141707.GA2020@82-168-75-155-bbxl.xdsl.tiscali.nl> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="YZ5djTAD1cGYuMQK" Content-Disposition: inline In-Reply-To: <20050330141707.GA2020@82-168-75-155-bbxl.xdsl.tiscali.nl> User-Agent: Mutt/1.4.2.1i cc: stable@freebsd.org cc: Kris Kennaway Subject: Re: 5.4pre panic X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Mar 2005 14:27:57 -0000 --YZ5djTAD1cGYuMQK Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Mar 30, 2005 at 04:17:08PM +0200, Rene Ladan wrote: > On Wed, Mar 30, 2005 at 05:51:04AM -0800, Kris Kennaway wrote: > > On Wed, Mar 30, 2005 at 12:11:23PM +0200, Rene Ladan wrote: > > > Got this panic with auto-reboot (no dump :( ), saved from dmesg on > > > 5.4pre 2003-05-29 09:49 UTC > > >=20 > > > processor eflags =3D IOPL =3D 0 > > > current process =3D 29 (swi1: net) > > > trap number =3D 3 > > > panic: breakpoint instruction fault > >=20 > > I'd have expected this panic to be the result of setting a breakpoint, > > i.e. requesting the kernel to panic at this location. Are you > > absolutely certain this is not the case? > I did not set a breakpoint, maybe some application was doing it for me. > I was working in X at the moment. >=20 > > If so, you should try to use > > DDB to obtain a traceback to find out what it was doing. > I have DDB/KDB in my kernelconfig, but auto-reboot without dump doesn't > help much, does it? The point is to disable "auto-reboot" (I assume you mean DDB_UNATTENDED?) and obtain the traceback manually from the ddb prompt when it panics. Kris --YZ5djTAD1cGYuMQK Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) iD8DBQFCSrdsWry0BWjoQKURAtajAKDQwEP8wcOiuo7Kh4gy9KCq9vzK6ACgkpIC vTMFWXn4zHXlUaDqzv1/Qp0= =Xu+X -----END PGP SIGNATURE----- --YZ5djTAD1cGYuMQK--