From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760572AbYHAVIR (ORCPT ); Fri, 1 Aug 2008 17:08:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759957AbYHAVHz (ORCPT ); Fri, 1 Aug 2008 17:07:55 -0400 Received: from vms173001pub.verizon.net ([206.46.173.1]:60444 "EHLO vms173001pub.verizon.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759976AbYHAVHy (ORCPT ); Fri, 1 Aug 2008 17:07:54 -0400 Date: Fri, 01 Aug 2008 17:07:48 -0400 (EDT) From: Len Brown Subject: Re: ACPI OSI disaster on latest HP laptops - critical temperature shutdown In-reply-to: X-X-Sender: lenb@localhost.localdomain To: Eric Piel Cc: Thomas Renninger , Arjan van de Ven , linux-acpi , "Moore, Robert" , Linux Kernel Mailing List , Andi Kleen , Christian Kornacker Message-id: MIME-version: 1.0 Content-type: TEXT/PLAIN; charset=US-ASCII References: <200807241727.41715.trenn@suse.de> <488A4F70.4010208@tremplin-utc.net> User-Agent: Alpine 1.10 (LFD 962 2008-03-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org [resend of a message that didn't hit the list] On Sat, 26 Jul 2008, Len Brown wrote: > > > On Sat, 26 Jul 2008, Eric Piel wrote: > > > Just out of curiosity, let's imagine that today HP decides to fix its BIOS. > > What would be the way to do it? Of course, without putting additional problems > > when Windows is booted. > > The should return a valid temperature from _CRT, > and that should work everyplace without any check for OS version. > > We know that this must work, because plenty of Vista compatible > platforms do it -- such as the T61 that I'm typing on. > > ie. we really don't know why HP returned _CRT=0 for vista in this BIOS, > we just assume that it didn't cause anything bad to happen. > > -Len > >