From owner-freebsd-stable@FreeBSD.ORG Tue Aug 9 16:41:58 2005 Return-Path: X-Original-To: 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 DECE816A41F for ; Tue, 9 Aug 2005 16:41:58 +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 73C2943D49 for ; Tue, 9 Aug 2005 16:41:58 +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 j79Gfvvf023297 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 9 Aug 2005 12:41:57 -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 j79Gfv6P018315; Tue, 9 Aug 2005 12:41:57 -0400 Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id CA916512BD; Tue, 9 Aug 2005 12:41:56 -0400 (EDT) Date: Tue, 9 Aug 2005 12:41:56 -0400 From: Kris Kennaway To: Petr Holub Message-ID: <20050809164156.GA5516@xor.obsecurity.org> References: <000401c59b70$3627fd40$ba36fb93@KLOBOUCEK> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="r5Pyd7+fXNt84Ff3" Content-Disposition: inline In-Reply-To: <000401c59b70$3627fd40$ba36fb93@KLOBOUCEK> User-Agent: Mutt/1.4.2.1i Cc: stable@freebsd.org Subject: Re: kernel panic on 5.4-RELEASE-p6 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: Tue, 09 Aug 2005 16:41:59 -0000 --r5Pyd7+fXNt84Ff3 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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. You need to follow the instructions in the chapter on kernel debugging in the developers handbook in order for anyone to be able to begin investigating this. Kris --r5Pyd7+fXNt84Ff3 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (FreeBSD) iD8DBQFC+NzUWry0BWjoQKURAuMoAJ9ykQ4M4p6AJuW/Rat71xP5XyvojQCfVL1i BsnZb8WDhh9gMMVibCq63D0= =gJOV -----END PGP SIGNATURE----- --r5Pyd7+fXNt84Ff3--