From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762860AbXHEKxs (ORCPT ); Sun, 5 Aug 2007 06:53:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756583AbXHEKxi (ORCPT ); Sun, 5 Aug 2007 06:53:38 -0400 Received: from phoenix.bawue.net ([193.7.176.60]:53322 "EHLO mail.bawue.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756359AbXHEKxh (ORCPT ); Sun, 5 Aug 2007 06:53:37 -0400 X-Greylist: delayed 1370 seconds by postgrey-1.27 at vger.kernel.org; Sun, 05 Aug 2007 06:53:37 EDT Date: Sun, 5 Aug 2007 12:26:04 +0200 From: Joerg Sommrey To: Linux kernel mailing list Subject: bad temperature values from w83781d in 2.6.22 Message-ID: <20070805102604.GA9123@sommrey.de> Mail-Followup-To: Joerg Sommrey , Linux kernel mailing list MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline Content-Transfer-Encoding: 8bit User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, after upgrading from 2.6.21 to 2.6.22 the CPU temperatures shown by w83781d look unreal. They were in a range from 40°C when idle to 75°C under full load with 2.6.21. The values shown now are in a very small range from 77°C to 82°C. From the (low) noise of the fan I can tell that the temperature is <50°C. The third temperature shown is completely wrong. I have a Tyan Tiger MPX board with a w83782d chip. Output from "sensors": w83782d-i2c-0-2d Adapter: SMBus AMD768 adapter at 80e0 +5 V: +4.81 V (min = +4.76 V, max = +5.24 V) 3 VSB: +3.30 V (min = +2.85 V, max = +3.15 V) ALARM chs3 Fan: 2122 RPM (min = 2657 RPM, div = 4) ALARM VRM2 Temp: -208°C (high = -176°C, hyst = -181°C) sensor = transistor CPU1 Temp: +78.5°C (high = +80°C, hyst = +75°C) sensor = transistor ALARM CPU2 Temp: +77.5°C (high = +80°C, hyst = +75°C) sensor = transistor ALARM alarms: beep_enable: Sound alarm enabled # cat /sys/bus/i2c/devices/0-002d/temp*_input -209000 77500 77500 Any ideas? -jo -- -rw-r--r-- 1 jo users 62 2007-08-04 14:02 /home/jo/.signature