Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753983Ab3G2B3B (ORCPT ); Sun, 28 Jul 2013 21:29:01 -0400 Received: from mail-pd0-f180.google.com ([209.85.192.180]:33414 "EHLO mail-pd0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751824Ab3G2B2l (ORCPT ); Sun, 28 Jul 2013 21:28:41 -0400 Message-ID: <51F5C543.10103@opensuse.org> Date: Sun, 28 Jul 2013 21:28:35 -0400 From: =?UTF-8?B?Q3Jpc3RpYW4gUm9kcsOtZ3Vleg==?= User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130620 Thunderbird/17.0.7 MIME-Version: 1.0 To: Aaron Lu CC: linux-kernel@vger.kernel.org, ACPI Devel Mailing List Subject: Re: acpi_backlight=vendor no longer working around buggy laptop from hell References: <51F40114.9060607@opensuse.org> <51F5BFF6.7080506@gmail.com> In-Reply-To: <51F5BFF6.7080506@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 797 Lines: 22 El 28/07/13 21:05, Aaron Lu escribió: > So does adding nox2apic still work for you with latest Linus' tree? Yes, nox2apic makes things work again, but has always puzzled me why acpi_backlight=vendor made it work previously with no apparent bad side effect.. >> The only possible hint in the logs I could ever find is: >> >> [ 3.844586] [Firmware Bug]: ACPI(PEGP) defines _DOD but not _DOS > > This is subtle, meaning the BIOS doesn't provide the required method. Yeah, I wonder what Windows 7/8 is doing..does not seem to care about that.. -- 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/