From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rafael J. Wysocki" Subject: Re: /proc/acpi/thermal_zone/THRM/temperature always reports 40C - is this a bug? Date: Fri, 13 Oct 2006 13:34:47 +0200 Message-ID: <200610131334.48433.rjw@sisk.pl> References: <452D945F.6040709@gentoo.org> <200610130117.02392.len.brown@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from ogre.sisk.pl ([217.79.144.158]:34496 "EHLO ogre.sisk.pl") by vger.kernel.org with ESMTP id S1751360AbWJMLeb (ORCPT ); Fri, 13 Oct 2006 07:34:31 -0400 In-Reply-To: <200610130117.02392.len.brown@intel.com> Content-Disposition: inline Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Len Brown Cc: Daniel Drake , linux-acpi@vger.kernel.org, eaburns@cisunix.unh.edu On Friday, 13 October 2006 07:17, Len Brown wrote: > On Wednesday 11 October 2006 21:03, Daniel Drake wrote: > > Hi, > > > > Ethan, at http://bugs.gentoo.org/142635 reports that the thermal zone > > always reads 40C. Is this something that should be filed at the kernel > > bugzilla for further investigation, or can we simply blame a > > buggy/unfixable BIOS? I understand that i2c/hwmon is the more common way > > of measuring temperatures. > > Probably this isn't specific to a gentoo build and would happen just > the same with a kernel.org build. So if it is a bug, it is probably an upstream bug. > > However, unless it used to work, or something bad happens, > this is sort of an academic failure. I suppose if you ran Windows > on the box and it displayed a changing temperature via ACPI > but Linux does not, then it would be more interesting. > > It would be good to verify that ACPI events in general > are working on the box -- eg. the power button etc -- as a failure > there would also be more interesting than unchanging temperature. I guess it may be related to http://bugzilla.kernel.org/show_bug.cgi?id=5534 Greetings, Rafael -- You never change things by fighting the existing reality. R. Buckminster Fuller