Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757955AbZDOFwV (ORCPT ); Wed, 15 Apr 2009 01:52:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753888AbZDOFwL (ORCPT ); Wed, 15 Apr 2009 01:52:11 -0400 Received: from yx-out-2324.google.com ([74.125.44.28]:50864 "EHLO yx-out-2324.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752735AbZDOFwK (ORCPT ); Wed, 15 Apr 2009 01:52:10 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; b=BuRTpZQDSEUmP3CwKd7qnKxhjgyWQoMlwa8zzkGnW1bJzanWYA7XxASlntk9r19vCw vxUmKmZbTrdOlye4DDLOmWBt7OW6x/lDVFhKTzP5rK/xHqyFMMJhmHx1uC3DaITTTW+6 MNptGstjux64tmQt4xXgoK/Dpb7tDtv2jPKjc= Message-ID: <49E575ED.8010306@gmail.com> Date: Wed, 15 Apr 2009 07:51:41 +0200 From: Niel Lambrechts User-Agent: Thunderbird 2.0.0.21 (X11/20090310) MIME-Version: 1.0 To: Maxim Levitsky CC: Henrique de Moraes Holschuh , mjg59@srcf.ucam.org, yakui_zhao , Andrew Morton , "linux.kernel" , "linux-acpi@vger.kernel.org" Subject: Re: 2.6.30-rc1 (latest git): thinkpad-acpi: cannot control brightness with hotkeys (BISECTED) 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> <1239756088.8954.5.camel@maxim-laptop> In-Reply-To: <1239756088.8954.5.camel@maxim-laptop> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1872 Lines: 66 On 04/15/2009 02:41 AM, Maxim Levitsky wrote: > On Wed, 2009-04-15 at 01:59 +0200, 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 >> >> --- >> >> Matthew, can you help? >> >> Regards, >> Niel >> > > > Just to note, > > I have nvidia, and yet have the same bug. > I reverted this commit - didn't help. > While you may have _some_ of the same symptoms, you clearly don't have the same bug. I reverted the commit as well, and my laptop is working fine under 2.6.30-rc2 now. > I get lots of > ACPI: Failed to switch the brightnes > when I press hardware keys that change brightness > (even these sometimes don't work) > Mine consistently did not work, and I had no messages. I understand you could try to do a limited bisect using something like git bisect start -- drivers/acpi drivers/video Perhaps you can do a bisect as well? Regards, Niel -- 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/