From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754065AbYDWInh (ORCPT ); Wed, 23 Apr 2008 04:43:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751328AbYDWIn0 (ORCPT ); Wed, 23 Apr 2008 04:43:26 -0400 Received: from fk-out-0910.google.com ([209.85.128.185]:34638 "EHLO fk-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752703AbYDWInS convert rfc822-to-8bit (ORCPT ); Wed, 23 Apr 2008 04:43:18 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:subject:date:user-agent:cc:references:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:message-id; b=VHPlmB5FiDmMfSo0IhZnwzu87QWGCsBONHesLihBYrXQAtAg6Ttfr8QRMVhkub9g3rdyoDiaJOCzCUDJEysbT9XvugZqqQmCNGr+YLMkMusJXKzuREENJ8+IroOsqUX40CtoSgjxvAQU5ZrnIhOX3ESuOFNPKHCXVVQT1k12G0U= From: Maxim Levitsky To: Len Brown Subject: Re: Linux 2.6.25 (coretemp reads high temperatures) Date: Wed, 23 Apr 2008 11:43:10 +0300 User-Agent: KMail/1.9.9 Cc: Matthew , linux-acpi@vger.kernel.org, torvalds@linux-foundation.org, linux-kernel@vger.kernel.org References: <200804182151.49021.lenb@kernel.org> In-Reply-To: <200804182151.49021.lenb@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT Content-Disposition: inline Message-Id: <200804231143.10875.maximlevitsky@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Saturday, 19 April 2008 04:51:48 Len Brown wrote: > On Friday 18 April 2008, Matthew wrote: > > Hi everyone, hi Linus, > > > > congratulations on this new great kernel-release :) > > > > I've another "regression" to report for 2.6.25: > > > > it's concerning much higher temperatures being read out by the > > "coretemp" kernel-module in comparison to 2.6.24* series > > > > e.g. where temperatures were around 40-47°C they are now constantly > > jumping around 55-70°C (even in idle !) I just updated from 2.6.24 to 2.6.25 (I usually follow whole development cycle, but I was very busy, so I skipped 2.6.25 cycle) I confirm this. I *know* that temperatures reported now are wrong. The reason is that bios did report same temperatures as coretemp in 2.6.24, moreover some time ago I have run a cpu tool (don't remember its name) on windows which similar to coretemp reads from each core directly, sensor data , and I noticed that temperature that bios reports is exactly the average temperature of both cores (I had to run this on windows - intel haven't released drivers for their QST for temperature monitoring from bios - very sad) And the driver did say in kernel log that TJMAX is 85C Lets at least make a kernel option to override tjmax? Best regards, Maxim Levitsky