Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932065AbVJ2Ul5 (ORCPT ); Sat, 29 Oct 2005 16:41:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932109AbVJ2Ul5 (ORCPT ); Sat, 29 Oct 2005 16:41:57 -0400 Received: from c-24-14-93-109.hsd1.il.comcast.net ([24.14.93.109]:14277 "EHLO topaz") by vger.kernel.org with ESMTP id S932065AbVJ2Ulw (ORCPT ); Sat, 29 Oct 2005 16:41:52 -0400 From: Narayan Desai To: linux-kernel@vger.kernel.org Subject: acpi problem on 2.6.14-rc5-mm1 Date: Sat, 29 Oct 2005 15:41:46 -0500 Message-ID: <87mzksukc5.fsf@topaz.mcs.anl.gov> User-Agent: Gnus/5.110004 (No Gnus v0.4) XEmacs/21.4.17 (linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3763 Lines: 42 I have been encountering a problem for a little while (since rc3 at least) where acpi goes out to lunch with respect to battery information. This works properly for a while, but then the following kernel errors appear: Oct 28 22:01:50 topaz kernel: [17298549.952000] ACPI-0292: *** Error: Looking up [SERN] in namespace, AE_ALREADY_EXISTS Oct 28 22:01:50 topaz kernel: [17298549.952000] ACPI-0508: *** Error: Method execution failed [\_SB_.PCI0.LPC_.EC__.GBIF] (Node c18f6540), AE_ALREADY_EXISTS Oct 28 22:01:50 topaz kernel: [17298549.980000] ACPI-0213: *** Error: Method reached maximum reentrancy limit (255) Oct 28 22:01:50 topaz kernel: [17298549.980000] ACPI-0508: *** Error: Method execution failed [\_SB_.PCI0.LPC_.EC__.BAT1._BIF] (Node c18f6280), AE_AML_METHOD_LIMIT Oct 28 22:01:52 topaz kernel: [17298551.972000] ACPI-0213: *** Error: Method reached maximum reentrancy limit (255) Oct 28 22:01:52 topaz kernel: [17298551.972000] ACPI-0508: *** Error: Method execution failed [\_SB_.PCI0.LPC_.EC__.BAT0._BIF] (Node c18f6400), AE_AML_METHOD_LIMIT Oct 28 22:01:52 topaz kernel: [17298551.972000] ACPI-0213: *** Error: Method reached maximum reentrancy limit (255) Oct 28 22:01:52 topaz kernel: [17298551.972000] ACPI-0508: *** Error: Method execution failed [\_SB_.PCI0.LPC_.EC__.BAT1._BIF] (Node c18f6280), AE_AML_METHOD_LIMIT Oct 28 22:01:54 topaz kernel: [17298553.980000] ACPI-0213: *** Error: Method reached maximum reentrancy limit (255) Oct 28 22:01:54 topaz kernel: [17298553.980000] ACPI-0508: *** Error: Method execution failed [\_SB_.PCI0.LPC_.EC__.BAT0._BIF] (Node c18f6400), AE_AML_METHOD_LIMIT Oct 28 22:01:54 topaz kernel: [17298553.980000] ACPI-0213: *** Error: Method reached maximum reentrancy limit (255) Oct 28 22:01:54 topaz kernel: [17298553.980000] ACPI-0508: *** Error: Method execution failed [\_SB_.PCI0.LPC_.EC__.BAT1._BIF] (Node c18f6280), AE_AML_METHOD_LIMIT Oct 28 22:01:56 topaz kernel: [17298555.988000] ACPI-0213: *** Error: Method reached maximum reentrancy limit (255) Oct 28 22:01:56 topaz kernel: [17298555.988000] ACPI-0508: *** Error: Method execution failed [\_SB_.PCI0.LPC_.EC__.BAT0._BIF] (Node c18f6400), AE_AML_METHOD_LIMIT Oct 28 22:01:56 topaz kernel: [17298555.988000] ACPI-0213: *** Error: Method reached maximum reentrancy limit (255) Oct 28 22:01:56 topaz kernel: [17298555.988000] ACPI-0508: *** Error: Method execution failed [\_SB_.PCI0.LPC_.EC__.BAT1._BIF] (Node c18f6280), AE_AML_METHOD_LIMIT Oct 28 22:01:58 topaz kernel: [17298557.996000] ACPI-0213: *** Error: Method reached maximum reentrancy limit (255) Oct 28 22:01:58 topaz kernel: [17298557.996000] ACPI-0508: *** Error: Method execution failed [\_SB_.PCI0.LPC_.EC__.BAT0._BIF] (Node c18f6400), AE_AML_METHOD_LIMIT Oct 28 22:01:58 topaz kernel: [17298557.996000] ACPI-0213: *** Error: Method reached maximum reentrancy limit (255) Oct 28 22:01:58 topaz kernel: [17298557.996000] ACPI-0508: *** Error: Method execution failed [\_SB_.PCI0.LPC_.EC__.BAT1._BIF] (Node c18f6280), AE_AML_METHOD_LIMIT These continue to occur, every two seconds, until the machine is rebooted. After this error happens, all acpi battery information disappears. topaz# cat /proc/acpi/battery/BAT0/info present: yes ERROR: Unable to read battery information The hardware in question is a thinkpad t41p. It has two batteries. Please let me know if I can provide any more information. Does anyone have any suggestions? -nld - 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/