From owner-freebsd-stable@FreeBSD.ORG Mon Aug 7 14:19:08 2006 Return-Path: X-Original-To: freebsd-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 6704616A4DF for ; Mon, 7 Aug 2006 14:19:08 +0000 (UTC) (envelope-from gavin.atkinson@ury.york.ac.uk) Received: from mail-gw4.york.ac.uk (mail-gw4.york.ac.uk [144.32.128.249]) by mx1.FreeBSD.org (Postfix) with ESMTP id BAF9C43D49 for ; Mon, 7 Aug 2006 14:19:07 +0000 (GMT) (envelope-from gavin.atkinson@ury.york.ac.uk) Received: from buffy.york.ac.uk (buffy-128.york.ac.uk [144.32.128.160]) by mail-gw4.york.ac.uk (8.13.6/8.13.6) with ESMTP id k77EJ32H000814; Mon, 7 Aug 2006 15:19:04 +0100 (BST) Received: from buffy.york.ac.uk (localhost [127.0.0.1]) by buffy.york.ac.uk (8.13.6/8.13.6) with ESMTP id k77EJ3ee041449; Mon, 7 Aug 2006 15:19:03 +0100 (BST) (envelope-from gavin.atkinson@ury.york.ac.uk) Received: (from ga9@localhost) by buffy.york.ac.uk (8.13.6/8.13.6/Submit) id k77EJ3pu041448; Mon, 7 Aug 2006 15:19:03 +0100 (BST) (envelope-from gavin.atkinson@ury.york.ac.uk) X-Authentication-Warning: buffy.york.ac.uk: ga9 set sender to gavin.atkinson@ury.york.ac.uk using -f From: Gavin Atkinson To: Bruno Ducrot In-Reply-To: <20060807140109.GR17014@poupinou.org> References: <200608071324.k77DObNm028590@lurza.secnetix.de> <44D741AD.4040404@andric.com> <20060807140109.GR17014@poupinou.org> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Mon, 07 Aug 2006 15:19:03 +0100 Message-Id: <1154960343.40530.28.camel@buffy.york.ac.uk> Mime-Version: 1.0 X-Mailer: Evolution 2.6.1 FreeBSD GNOME Team Port X-York-MailScanner: Found to be clean X-York-MailScanner-From: gavin.atkinson@ury.york.ac.uk Cc: freebsd-stable@freebsd.org Subject: Re: acpi: bad write to port 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: Mon, 07 Aug 2006 14:19:08 -0000 On Mon, 2006-08-07 at 16:01 +0200, Bruno Ducrot wrote: > On Mon, Aug 07, 2006 at 03:35:41PM +0200, Dimitry Andric wrote: > > Oliver Fromme wrote: > > > acpi: bad write to port 0x080 (32), val ... > > ... > > > Do I have to worry? So far it doesn't seem to cause any > > > harm. > > > > It's probably just a buggy BIOS, see: > > http://lists.freebsd.org/pipermail/freebsd-acpi/2006-June/002890.html > > IMO this io (0x80) should not be blacklisted. It's used as a debug port > in that context. However the 0x80 port is a single byte wide - and his AML is trying to write 32 bits to it, so it's falling foul of the (correct) blocking of writes to port in the range 0x81 - 0x83. Gavin