From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexey Starikovskiy Subject: Re: 2.6.21-rc1: more ACPI errors (EC__) Date: Sun, 04 Mar 2007 13:31:31 +0300 Message-ID: <45EAA003.7020504@linux.intel.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mga09.intel.com ([134.134.136.24]:13422 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751364AbXCDKbk (ORCPT ); Sun, 4 Mar 2007 05:31:40 -0500 In-Reply-To: Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Meelis Roos Cc: Linux Kernel list , linux-acpi@vger.kernel.org Meelis Roos wrote: > I tested 2.6.21-rc1 on my laptop (IBM X20 with 440BX) and found two > problems: > > First, a seemingly harmless one - ACPI error messages during bootup: > > ACPI Exception (evregion-0420): AE_NOT_FOUND, Returned by Handler for [EmbeddedControl] [20070126] > ACPI Exception (dswexec-0462): AE_NOT_FOUND, While resolving operands for [OpcodeName unavailable] [20070126] > ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.ISA_.EC__.BAT0._STA] (Node d3c435e0), AE_NOT_FOUND > ACPI Exception (evregion-0420): AE_NOT_FOUND, Returned by Handler for [EmbeddedControl] [20070126] > ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PCI0.ISA_.EC__.AC__._PSR] (Node d3c43540), AE_NOT_FOUND > ACPI Exception (ac-0095): AE_NOT_FOUND, Error reading AC Adapter state [20070126] > > And second, there were ACPI error messages about EC__ during shutdown. > These messages appeared, then the "acpi_power_off called" message > appeared, then it waited for about 5 seconds (this does not happen > normally) and then it succeeded shutting down. Captured a screenshot of > these messages, temporarily available at > http://www.cs.ut.ee/~mroos/x20-shutdown-acpi-errors.jpg > > please take a look at 8066 bug and patches there. regards, alex