Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264148AbTI2SEP (ORCPT ); Mon, 29 Sep 2003 14:04:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263807AbTI2SCX (ORCPT ); Mon, 29 Sep 2003 14:02:23 -0400 Received: from salzburg.nitnet.com.br ([200.157.92.10]:32691 "EHLO nat.cesarb.net") by vger.kernel.org with ESMTP id S264110AbTI2SAL convert rfc822-to-8bit (ORCPT ); Mon, 29 Sep 2003 14:00:11 -0400 Date: Mon, 29 Sep 2003 14:59:09 -0300 To: Erik Mouw Cc: "Martin J. Bligh" , linux-kernel Subject: Re: [Bug 1284] New: Asus P5AB broken BIOS reading ESCD Message-ID: <20030929175908.GD27908@flower.home.cesarb.net> References: <42150000.1064850644@[10.10.2.4]> <20030929174127.GD26491@bitwizard.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: 8BIT In-Reply-To: <20030929174127.GD26491@bitwizard.nl> User-Agent: Mutt/1.5.4i From: Cesar Eduardo Barros Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 29, 2003 at 07:41:27PM +0200, Erik Mouw wrote: > On Mon, Sep 29, 2003 at 08:50:44AM -0700, Martin J. Bligh wrote: > > Summary: Asus P5AB broken BIOS reading ESCD > > Kernel Version: 2.6.0-test6 > > Status: NEW > > Severity: normal > > Owner: mbligh@aracnet.com > > Submitter: cesarb@nitnet.com.br > > > > > > Distribution: Debian testing/unstable > > Hardware Environment: Asus P5AB > > Software Environment: > > Problem Description: > > > > Trying to read /proc/bus/pnp/escd causes an oops. Looks like the PnPBIOS is > > broken. However, it's not exploding_pnp_bios, since only reading the escd causes > > it (the boot probe works fine). > > > > I think a new function should be added to the DMI blacklist to block trying to > > read the ESCD. > > [...] > > > DMI: > > # dmidecode 2.2 > > Legacy DMI 2.0 present. > > 29 structures occupying 946 bytes. > > Table at 0x000F545A. > > Handle 0x0000 > > DMI type 0, 18 bytes. > > BIOS Information > > Vendor: Award Software, Inc. > > Version: ASUS P5A-B ACPI BIOS Revision 1004 ............................. > > FWIW: I used to have a similar board (Asus P5A, it actually died a week > ago, so I can't check anything anymore). Never tried 2.6 on it, but I > know it had a flakey PnPBIOS implementation: if you put in a Sound > Blaster AWE64 Gold, you couldn't use the floppy drive anymore. The > latest "Y2K compliant" BIOS (revision 1.005 IIRC) fixed that, it might > also fix this particular bug. Well, I do have a SoundBlaster AWE ISA on that board, and it didn't break the floppy. I have downloaded the latest BIOS and will test it later (I don't have the latest one, the latest one is from 2002 and the one in the box is from '98) > (Asus website seems to be broken, I get a "runtime error" from their > web server when I want to get a list of downloads, so I have no idea if > you have the latest BIOS right now :-/ ) -- Cesar Eduardo Barros cesarb@nitnet.com.br cesarb@dcc.ufrj.br - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/