Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751977Ab0LFJcH (ORCPT ); Mon, 6 Dec 2010 04:32:07 -0500 Received: from minas.ics.muni.cz ([147.251.4.40]:43004 "EHLO minas.ics.muni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751405Ab0LFJcF (ORCPT ); Mon, 6 Dec 2010 04:32:05 -0500 Date: Mon, 6 Dec 2010 10:31:58 +0100 From: Lukas Hejtmanek To: Lin Ming Cc: "Moore, Robert" , "Brown, Len" , Calvin Walton , "linux-kernel@vger.kernel.org" Subject: Re: [Regression] 2.6.37-rc1: Lenovo T61 mute button does not work Message-ID: <20101206093158.GA15702@ics.muni.cz> References: <20101130185303.GI10354@ics.muni.cz> <1291172324.14274.33.camel@nayuki> <20101203141358.GA6936@ics.muni.cz> <1291599424.3688.0.camel@minggr.sh.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1291599424.3688.0.camel@minggr.sh.intel.com> X-echelon: NSA, CIA, CI5, MI5, FBI, KGB, BIS, Plutonium, Bin Laden, bomb User-Agent: Mutt/1.5.20 (2009-06-14) X-Muni-Spam-TestIP: 147.251.3.109 X-Muni-Envelope-From: xhejtman@anubis.ics.muni.cz X-Muni-Virus-Test: Clean X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-3.0 (minas.ics.muni.cz [147.251.4.35]); Mon, 06 Dec 2010 10:31:57 +0100 (CET) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2101 Lines: 45 On Mon, Dec 06, 2010 at 09:37:04AM +0800, Lin Ming wrote: > > which apparently does not work with Lenovo T61. > > I'm looking at this regression. I did some debugging. It looks like this: [ 0.000000] ACPI: DMI detected: Lenovo ThinkPad T61 [ 0.000000] ACPI: Set_osi_linux Added _OSI(Linux) [ 0.000000] Pid: 0, comm: swapper Not tainted 2.6.37-rc3+ #122 [ 0.000000] Call Trace: [ 0.000000] [] ? set_osi_linux+0x4b/0x6b [ 0.000000] [] ? dmi_enable_osi_linux+0x11/0x18 [ 0.000000] [] ? dmi_check_system+0x33/0x50 [ 0.000000] [] ? acpi_blacklisted+0x16a/0x190 [ 0.000000] [] ? acpi_boot_table_init+0x3a/0x75 [ 0.000000] [] ? setup_arch+0x6d5/0x7a8 [ 0.000000] [] ? printk+0x40/0x46 [ 0.000000] [] ? start_kernel+0xbe/0x323 [ 0.000000] [] ? x86_64_start_kernel+0xf9/0xff after this call, osi_linux.dmi is set. However, after this call: [ 0.186721] Call Trace: [ 0.186721] [] ? acpi_install_interface_handler+0x4d/0x56 [ 0.186750] [] ? set_osi_linux+0x4b/0x6b [ 0.186777] [] ? acpi_os_initialize1+0x10f/0x13d [ 0.186803] [] ? acpi_bus_init+0xa/0x1e2 [ 0.186829] [] ? kobject_create_and_add+0x3c/0x80 [ 0.186855] [] ? acpi_init+0x69/0xdf [ 0.186880] [] ? do_one_initcall+0x3a/0x170 [ 0.186906] [] ? kernel_init+0x132/0x1be [ 0.186932] [] ? kernel_thread_helper+0x4/0x10 [ 0.186958] [] ? kernel_init+0x0/0x1be [ 0.187577] [] ? kernel_thread_helper+0x0/0x10 osi_linux.cmdline is set. -- Luk?? Hejtm?nek -- 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/