From owner-freebsd-stable@FreeBSD.ORG Fri Jul 1 18:43:53 2005 Return-Path: X-Original-To: freebsd-stable@freebsd.org 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 AA76F16A41C; Fri, 1 Jul 2005 18:43:53 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: from obsecurity.dyndns.org (CPE0050040655c8-CM00111ae02aac.cpe.net.cable.rogers.com [69.194.102.232]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5B23943D49; Fri, 1 Jul 2005 18:43:53 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 48DEE513E1; Fri, 1 Jul 2005 14:43:52 -0400 (EDT) Date: Fri, 1 Jul 2005 14:43:52 -0400 From: Kris Kennaway To: Kris Kennaway Message-ID: <20050701184352.GA177@xor.obsecurity.org> References: <42BF8815.6090909@atopia.net> <20050627081933.GA97832@cell.sick.ru> <42C16394.4040904@atopia.net> <1119971279.36316.45.camel@buffy.york.ac.uk> <42C16C0E.9090002@atopia.net> <20050629100535.GC27557@xor.obsecurity.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="AqsLC8rIMeq19msA" Content-Disposition: inline In-Reply-To: <20050629100535.GC27557@xor.obsecurity.org> User-Agent: Mutt/1.4.2.1i Cc: Matt Juszczak , Gleb Smirnoff , freebsd-stable@freebsd.org Subject: Re: FreeBSD -STABLE servers repeatedly crashing. 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: Fri, 01 Jul 2005 18:43:53 -0000 --AqsLC8rIMeq19msA Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jun 29, 2005 at 06:05:35AM -0400, Kris Kennaway wrote: > On Tue, Jun 28, 2005 at 11:26:06AM -0400, Matt Juszczak wrote: >=20 > > >OK, when it crashes next and is sat at the "db>" prompt, type "tr" and > > >press enter to get a trace. Copy this down (or have a serial console = to > > >capture the output). Also, try typing "call doadump()" and see if that > > >succeeds in generating a crash dump. How were you trying to generate > > >one before? > > > > > >Gavin > > >=20 > > > > >=20 > > I can't type anything. The machine locks up. > >=20 > > See: http://paste.atopia.net/126 > >=20 > > After CPUID: 1, the machine locks cold and nothing else is printed to= =20 > > the screen. >=20 > Try two things: >=20 > 1) adding 'options KDB_STOP_NMI' to your kernel config. I just learned that you also need to set the debug.kdb.stop_cpus_with_nmi=3D1 sysctl (e.g. in sysctl.conf). Kris --AqsLC8rIMeq19msA Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (FreeBSD) iD8DBQFCxY7nWry0BWjoQKURAtghAKDSwNaiBdLNfAUGYkG8yqxErv8kOQCfREIc o1gG24iyCRnjXW6S/fi5dc4= =G3dv -----END PGP SIGNATURE----- --AqsLC8rIMeq19msA--