From owner-freebsd-questions@FreeBSD.ORG Tue Aug 9 04:24:06 2005 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 927BC16A41F for ; Tue, 9 Aug 2005 04:24:06 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: from fileserver.fields.utoronto.ca (fileserver.fields.utoronto.ca [128.100.216.10]) by mx1.FreeBSD.org (Postfix) with ESMTP id 20B1143D45 for ; Tue, 9 Aug 2005 04:24:06 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: from fields.fields.utoronto.ca (fields.localdomain [192.168.216.11]) by fileserver.fields.utoronto.ca (8.12.8/8.12.8/Fields 6.0) with ESMTP id j794O5vf019863 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 9 Aug 2005 00:24:05 -0400 Received: from obsecurity.dyndns.org (localhost.localdomain [127.0.0.1]) by fields.fields.utoronto.ca (8.12.8/8.12.8/Fields WS 6.0) with ESMTP id j794O46P007209; Tue, 9 Aug 2005 00:24:05 -0400 Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 96DFB512BA; Tue, 9 Aug 2005 00:24:04 -0400 (EDT) Date: Tue, 9 Aug 2005 00:24:04 -0400 From: Kris Kennaway To: Jason Morgan Message-ID: <20050809042404.GA3718@xor.obsecurity.org> References: <000401c59b70$3627fd40$ba36fb93@KLOBOUCEK> <20050807170728.GD24024@sentinelchicken.net> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="rwEMma7ioTxnRzrJ" Content-Disposition: inline In-Reply-To: <20050807170728.GD24024@sentinelchicken.net> User-Agent: Mutt/1.4.2.1i Cc: FreeBSD Questions Subject: Re: kernel panic on 5.4-RELEASE-p6 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Aug 2005 04:24:06 -0000 --rwEMma7ioTxnRzrJ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Aug 07, 2005 at 01:07:28PM -0400, Jason Morgan wrote: > On Sun, Aug 07, 2005 at 06:51:09PM +0200, Petr Holub wrote: > > Hi all, > >=20 > > I've encoutnered the follwing kernel panic on 5.4-RELEASE-p6. However, > > as the machine is production and not development one, I don't have > > debugger analysis. The panic might *theoretically* be due to problems > > accessing faulty CD-R media in the ATAPI DVD/CD-RW drive (that was the > > only unusual thing which happened before the panic). Kernel config > > and dmesg are attached below, the machine is IBM T41p laptop. > >=20 > > Fatal trap 12: page fault while in kernel mode > > fault virtual address =3D 0x300f0 > > fault code =3D supervisor read, page not present > > instruction pointer =3D 0x8:0x300f0 > > stack pointer =3D 0x10:0xe67cdb1c > > frame pointer =3D 0x10:0xe67cdb34 > > code segment =3D base 0x0, limit 0xfffff, type 0x1b > > =3D DPL 0, pres 1, def32 1, gran 1 > > processor eflags =3D interrupt enabled, resume, IOPL =3D 0 > > current process =3D 1337 (vim) > > trap number =3D 12 > > panic: page fault > > Uptime: 14m43s. > >=20 >=20 > I've had a similar issue (or at least it looks similar to the untrained= =20 > eye) on an old laptop of mine that I was trying to install with 5.4,=20 > 5.3, then 4.11. I posted the error to the mailing list, but was never=20 > able to solve the problem. Be interested to know if someone has a=20 > solution. It's a generic error message. In order for someone to begin to diagnose it you need to follow the instructions in the chapter on kernel debugging in the developers handbook. Kris --rwEMma7ioTxnRzrJ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (FreeBSD) iD8DBQFC+C/kWry0BWjoQKURAlnMAJ4/IxW6zCc7ZjJpSf2K0O0u+zvvaQCfQfP7 lkHD+iwjp4dBbG2GDAKvKsg= =VSu1 -----END PGP SIGNATURE----- --rwEMma7ioTxnRzrJ--