Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761081AbXLPArZ (ORCPT ); Sat, 15 Dec 2007 19:47:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754836AbXLPArQ (ORCPT ); Sat, 15 Dec 2007 19:47:16 -0500 Received: from mho-02-bos.mailhop.org ([63.208.196.179]:57609 "EHLO mho-02-bos.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752275AbXLPArP (ORCPT ); Sat, 15 Dec 2007 19:47:15 -0500 X-Mail-Handler: MailHop Outbound by DynDNS X-Originating-IP: 216.15.117.105 X-Report-Abuse-To: abuse@dyndns.com (see http://www.mailhop.org/outbound/abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX1/2XZYCZhGR6SeONk3WZPKb Message-ID: <4764757B.6060604@reed.com> Date: Sat, 15 Dec 2007 19:46:51 -0500 From: "David P. Reed" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.8.1.5) Gecko/20070727 Fedora/2.0.0.5-2.fc7 Thunderbird/2.0.0.5 Mnenhy/0.7.5.0 MIME-Version: 1.0 To: Allen Martin CC: "H. Peter Anvin" , Alan Cox , Rene Herman , Pavel Machek , Andi Kleen , "linux-os (Dick Johnson)" , David Newall , Paul Rolland , Krzysztof Halasa , linux-kernel@vger.kernel.org, Thomas Gleixner , Ingo Molnar , rol@witbe.net Subject: Re: More info on port 80 symptoms on MCP51 machine. References: <475DE6F4.80702@zytor.com> <475DEB23.1000304@davidnewall.com> <20071211084059.3d03e11d@tux.DEF.witbe.net> <475E5D4B.8020101@keyaccess.nl> <475E7DC2.4060509@davidnewall.com> <475E8D91.20201@keyaccess.nl> <475E95A3.3070801@davidnewall.com> <20071211163017.GD16750@one.firstfloor.org> <475EBFBA.6090301@keyaccess.nl> <20071211191649.GB3437@elf.ucw.cz> <475EEC75.80609@keyaccess.nl> <47603F66.3070108@reed.com> <476043DA.5000602@keyaccess.nl> <47604B71.7090902@keyaccess.nl> <20071212210143.48721a41@the-village.bc.nu> <47604EA4.50504@zytor.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 778 Lines: 18 Allen Martin wrote: > Nothing inside the chipset should be decoding port 80 writes. It's > possible this board has a port 80 decoder wired onto the board that's > misbehaving. I've seen other laptop boards with port 80 decoders > wired onto the board, even if the 7 segment display is only populated > on debug builds. > > This is very helpful. So the next question is there something on the laptop mainboard. Any idea how to look for such a thing? I am not averse to taking the laptop apart to look at the mainboard. -- 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/