From mboxrd@z Thu Jan 1 00:00:00 1970 From: Len Brown Subject: Re: ACPI Exception (AE_ERROR, ACPI thermal trip point state changed) Date: Wed, 22 Apr 2009 13:19:54 -0400 (EDT) Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="Boundary_(ID_WnGURnKyaNeic0CBjL5Irw)" Return-path: Received: from vms173005pub.verizon.net ([206.46.173.5]:40367 "EHLO vms173005pub.verizon.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754838AbZDVRUZ (ORCPT ); Wed, 22 Apr 2009 13:20:25 -0400 Received: from localhost.localdomain ([96.237.168.40]) by vms173005.mailsrvcs.net (Sun Java(tm) System Messaging Server 6.3-7.04 (built Sep 26 2008; 32bit)) with ESMTPA id <0KII003PUIT82UBM@vms173005.mailsrvcs.net> for linux-acpi@vger.kernel.org; Wed, 22 Apr 2009 12:20:01 -0500 (CDT) In-reply-to: Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Marcin Gozdalik Cc: linux-acpi@vger.kernel.org This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --Boundary_(ID_WnGURnKyaNeic0CBjL5Irw) Content-type: TEXT/PLAIN; charset=UTF-8 Content-transfer-encoding: 8BIT On Wed, 22 Apr 2009, Marcin Gozdalik wrote: > Hi > > I am seeing the following in logs: > > Apr 22 16:00:07 myth kernel: [   39.354031] ACPI Exception > (thermal-0479): AE_ERROR, ACPI thermal trip point state changed > Apr 22 16:00:07 myth kernel: [   39.354040] Please send acpidump to > linux-acpi@vger.kernel.org > Apr 22 16:00:07 myth kernel: [   39.354045]  [20080926] > > I am using Ubuntu 9.04: > > root@myth:/home/gozdal# uname -a > Linux myth 2.6.28-11-generic #42-Ubuntu SMP Fri Apr 17 01:58:03 UTC > 2009 x86_64 GNU/Linux > > Motherboard is Abit AN-M2HD(MCP68) flashed with the latest BIOS. > > The machine powers down sometimes because of an ACPI trip point: > > Apr 22 17:27:19 myth kernel: [ 5272.004934] ACPI: Critical trip point > Apr 22 17:27:19 myth kernel: [ 5272.004952] Critical temperature > reached (121 C), shutting down. > Apr 22 17:27:19 myth kernel: [ 5272.004973] ACPI: Unable to turn > cooling device [ffff88006f841800] 'on' > Apr 22 17:27:26 myth kernel: [ 5278.204238] Critical temperature > reached (34 C), shutting down. > > although I believe this is an error in measurement, as the temperature > probably wouldn't cool in 7 seconds from 121 to 34 Celsius. did this happen with earlier kernels, or did it start in 2.6.28? please try 2.6.29. please try it with CONFIG_HWMON=n If it still fails, please file a bugzilla http://bugzilla.kernel.org/enter_bug.cgi?product=ACPI and attach the acpidump there. thanks, Len Brown, Intel Open Source Technology Center --Boundary_(ID_WnGURnKyaNeic0CBjL5Irw)--