From mboxrd@z Thu Jan 1 00:00:00 1970 From: PSI-Systems Subject: Re: Acpi Problem Date: Tue, 3 Dec 2002 17:15:22 +0100 Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <200212031715.22698.psi-systems@gmx.net> References: <200212021120.13300.tom@supinfo.com> <200212030935.47545.tom@supinfo.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <200212030935.47545.tom-GJzCDJVA6d1BDgjK7y7TUQ@public.gmane.org> Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: tom-GJzCDJVA6d1BDgjK7y7TUQ@public.gmane.org, acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org > Could someone explain me what is ECDT so i could find more informations > on my problem? According to Andrew Grover, this is the Problem: >Your BIOS is broken. We just started looking at the EC_ID field in the >ECDT, >and unfortunately your machine's is wrong. > >A little explanation... > >Your laptop has an Embedded Controller. The ECDT table is supposed to >describe the EC, so that AML can use operation regions in the EC before >the >EC device is actually found by the walking of the namespace. > >The ECDT-enumerated EC and the EC in the namespace are linked because >there >is a field (EC_ID) in the ECDT that gives the path to the EC in the >namespace. If this is wrong, then we abort. > >As with so many things ACPI-related, the *right* answer is that IBM fixes >their BIOS...but since this works under Windows, we may end up applying a >yet-to-be-devised workaround. :( I've the same Prob with my IBM A31. ------------------------------------------------------- This SF.net email is sponsored by: Microsoft Visual Studio.NET comprehensive development tool, built to increase your productivity. Try a free online hosted session at: http://ads.sourceforge.net/cgi-bin/redirect.pl?micr0003en