From owner-freebsd-current@FreeBSD.ORG Thu Sep 29 16:35:48 2005 Return-Path: X-Original-To: freebsd-current@freebsd.org 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 5EE2716A41F; Thu, 29 Sep 2005 16:35:48 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0206F43D55; Thu, 29 Sep 2005 16:35:42 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: from obsecurity.dyndns.org (CPE0050040655c8-CM00111ae02aac.cpe.net.cable.rogers.com [70.30.70.180]) by elvis.mu.org (Postfix) with ESMTP id 8D0061A3C1A; Thu, 29 Sep 2005 09:35:42 -0700 (PDT) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 57AE2513C0; Thu, 29 Sep 2005 12:35:41 -0400 (EDT) Date: Thu, 29 Sep 2005 12:35:41 -0400 From: Kris Kennaway To: Gavin Atkinson Message-ID: <20050929163541.GA53754@xor.obsecurity.org> References: <1123588622.893.15.camel@buffy.york.ac.uk> <200508091050.21811.jhb@FreeBSD.org> <1123603336.897.3.camel@buffy.york.ac.uk> <200509291210.38799.jhb@FreeBSD.org> <1128011075.44550.21.camel@buffy.york.ac.uk> <1128011524.44550.26.camel@buffy.york.ac.uk> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="VS++wcV0S1rZb1Fb" Content-Disposition: inline In-Reply-To: <1128011524.44550.26.camel@buffy.york.ac.uk> User-Agent: Mutt/1.4.2.1i Cc: freebsd-current@freebsd.org Subject: Re: 6.0-BETA2 DRM/witness panic: Assertion j < 1000 failed at /usr/src/sys/kern/subr_witness.c:1513 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Thu, 29 Sep 2005 16:35:48 -0000 --VS++wcV0S1rZb1Fb Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Sep 29, 2005 at 05:32:03PM +0100, Gavin Atkinson wrote: > On Thu, 2005-09-29 at 17:24 +0100, Gavin Atkinson wrote: > > On Thu, 2005-09-29 at 12:10 -0400, John Baldwin wrote: > > > On Tuesday 09 August 2005 12:02 pm, Gavin Atkinson wrote: > > > > On Tue, 2005-08-09 at 10:50 -0400, John Baldwin wrote: > > > > > On Tuesday 09 August 2005 07:57 am, Gavin Atkinson wrote: > > > > > > Hi, > > > > > > > > > > > > I have a regular panic (3 times a day) on a system running 6.0-= BETA2 > > > > > > which was very stable under 5.4. dmesg available at > > > > > > http://www.devrandom.co.uk/freebsd/dmesg-buffy-20050809 . The p= anic > > > > > > seems to relate to DRM, I have a ATI Radeon QY RV100 7000/VE ca= rd. > > > > > > > > > > Do a 'show witness', it looks like witness has a cycle somehow. = Normally > > > > > these can only occur if there is a cycle in the static lock order. > > > > > > > > http://www.devrandom.co.uk/freebsd/sh-witness-buffy-20050809 > > > > > > > > Gavin > > >=20 > > > Do you still get this panic on more recent 6.0? > >=20 > > I do with BETA3 from Sept 6th. I'll update again (after re-adding > > WITNESS etc to GENERIC) and test it again.=20 >=20 > I should have said that I also stepped back in time several times, and > was still getting the panic with kernel from sources dated April 15th, > ruling out the major DRM upgrade in July. I couldn't get any of the > screensavers that easily provoke the panic to run on a pre-April 15th > system, even after recompiling all ports. You're not using modules, right? Or at least, you're remembering to recompile them all each time you update your kernel? Kris --VS++wcV0S1rZb1Fb Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFDPBfdWry0BWjoQKURAjYwAJwOvnzsHiQ9nNjDzlFcXD7KyAHUfACfQZm6 PWv02uYyquzjHFCVIQZ+R48= =qMvZ -----END PGP SIGNATURE----- --VS++wcV0S1rZb1Fb--