Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757745AbZDOBuc (ORCPT ); Tue, 14 Apr 2009 21:50:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752428AbZDOBuW (ORCPT ); Tue, 14 Apr 2009 21:50:22 -0400 Received: from mga01.intel.com ([192.55.52.88]:5332 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751972AbZDOBuW (ORCPT ); Tue, 14 Apr 2009 21:50:22 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.40,188,1239001200"; d="scan'208";a="681613195" Subject: Re: 2.6.30-rc1 (latest git): thinkpad-acpi: cannot control brightness with hotkeys (BISECTED) From: Zhang Rui To: Niel Lambrechts Cc: Henrique de Moraes Holschuh , "mjg59@srcf.ucam.org" , "Zhao, Yakui" , Andrew Morton , "linux.kernel" , "linux-acpi@vger.kernel.org" In-Reply-To: <49E5234E.5070303@gmail.com> References: <49E10684.5090101@gmail.com> <20090411150555.8b13ed18.akpm@linux-foundation.org> <20090412161448.GC26502@khazad-dum.debian.net> <49E234ED.5010105@gmail.com> <1239585695.5564.5.camel@localhost.localdomain> <49E3575A.60204@gmail.com> <20090413203450.GC16152@khazad-dum.debian.net> <49E5234E.5070303@gmail.com> Content-Type: text/plain Date: Wed, 15 Apr 2009 09:50:42 +0800 Message-Id: <1239760242.7661.305.camel@rzhang-dt> Mime-Version: 1.0 X-Mailer: Evolution 2.22.1 (2.22.1-2.fc9) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1160 Lines: 34 On Wed, 2009-04-15 at 07:59 +0800, Niel Lambrechts wrote: > On 04/13/2009 10:34 PM, Henrique de Moraes Holschuh wrote: > > On Mon, 13 Apr 2009, Niel Lambrechts wrote: > > > >>>> In 2.6.29.1: > >>>> lrwxrwxrwx 1 root root 0 Apr 12 20:01 /sys/class/backlight/acpi_video0 > >>>> -> ../../devices/virtual/backlight/acpi_video0 > >>>> > > > > Well, that at least confirms that thinkpad-acpi doesn't have anything to > > do with your troubles, you were using acpi video. > > > > Okay, I've bisected it to: > > 74a365b3f354fafc537efa5867deb7a9fadbfe27 is first bad commit > commit 74a365b3f354fafc537efa5867deb7a9fadbfe27 > Author: Matthew Garrett > Date: Thu Mar 19 21:35:39 2009 +0000 > > ACPI: Populate DIDL before registering ACPI video device on Intel > please set CONFIG_DRM_I915_KMS, reload the ACPI video driver after loading i915 and see if it helps. thanks, rui -- 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/