Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750948AbWJMOpM (ORCPT ); Fri, 13 Oct 2006 10:45:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750985AbWJMOpM (ORCPT ); Fri, 13 Oct 2006 10:45:12 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:14093 "EHLO spitz.ucw.cz") by vger.kernel.org with ESMTP id S1750948AbWJMOpK (ORCPT ); Fri, 13 Oct 2006 10:45:10 -0400 Date: Fri, 13 Oct 2006 14:44:57 +0000 From: Pavel Machek To: Jeremy Fitzhardinge Cc: "Brown, Len" , "Pallipadi, Venkatesh" , acpi-devel@kernel.org, cpufreq@lists.linux.org.uk, Linux Kernel Mailing List Subject: Re: Strange entries in /proc/acpi/thermal_zone for Thinkpad X60 Message-ID: <20061013144457.GA5512@ucw.cz> References: <452EBF7C.3000409@goop.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <452EBF7C.3000409@goop.org> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1339 Lines: 36 Hi! > I have a Thinkpad X60 with an Intel Core Duo T2400. In > /proc/acpi/thermal_zone, I'm getting two subdirectories, > each with their own set of files: Looks okay to me. One thermal zone is cpu temperature, and second is temperature of something else. > The interesting thing is that the two sets of files are > not consistent - sometimes they don't even show the same > temperature. You have two (actually you have more, see tp_smapi) physical thermometers. > The reason I'm interested in this is that I think it's > behind some of my cpufreq problems. Sometimes the > kernel decides that I just can't raise the max frequency > above 1GHz, because its been thermally limited (I've put > printks in to confirm that its the ACPI thermal limit on > the policy notifier chain which is limiting the max > speed). It seems to me that having a thermal zone for > each core is a BIOS bug, since they're really the same > chip, but the THM1 entries should be ignored. I don't THM1 does not seem to be cpu temperature. Pavel -- Thanks for all the (sleeping) penguins. - 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/