Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754549Ab0BHTeq (ORCPT ); Mon, 8 Feb 2010 14:34:46 -0500 Received: from mail-ew0-f228.google.com ([209.85.219.228]:52615 "EHLO mail-ew0-f228.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754451Ab0BHTep convert rfc822-to-8bit (ORCPT ); Mon, 8 Feb 2010 14:34:45 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=VS8zbqHmNs+jubTfiuItigCBk7xDTdblsiTCH79YEkA+Db31IPmvrAMHZ4b5BTo9VM YLd6V296OX1sOzxTQh8DkQtH5+SssUuq0vI1DLuRf1HpeCKLs2apYAqUOM9gCxTwfYZm kFFWoFwY7B8Ew4ozRaFp9WV8e+kb+eHDmrGAY= MIME-Version: 1.0 In-Reply-To: <4B7066BA.7040806@canonical.com> References: <2uzMDuY-7_O.A.M1G.7X1bLB@chimera> <4B7004F4.3030804@canonical.com> <201002082022.43515.rjw@sisk.pl> <4B7066BA.7040806@canonical.com> Date: Mon, 8 Feb 2010 20:34:43 +0100 Message-ID: Subject: Re: [Bug #15096] Resume lock up -- bisected, commit 3a1151e3f124fd1a2c54b8153f510f1a7c715369 From: =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= To: Stefan Bader Cc: "Rafael J. Wysocki" , Linux Kernel Mailing List , Kernel Testers List , Maciej Rutecki , Len Brown , Zhang Rui Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2404 Lines: 48 2010/2/8 Stefan Bader : > Rafael J. Wysocki wrote: >> On Monday 08 February 2010, Rafał Miłecki wrote: >>> 2010/2/8 Stefan Bader : >>>> Rafael J. Wysocki wrote: >>>>> On Monday 08 February 2010, Rafał Miłecki wrote: >>>>>> 2010/2/8 Rafael J. Wysocki : >>>>>>> This message has been generated automatically as a part of a report >>>>>>> of regressions introduced between 2.6.31 and 2.6.32. >>>>>>> >>>>>>> The following bug entry is on the current list of known regressions >>>>>>> introduced between 2.6.31 and 2.6.32.  Please verify if it still should >>>>>>> be listed and let the tracking team know (either way). >>>>>>> >>>>>>> >>>>>>> Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=15096 >>>>>>> Subject         : Resume lock up -- bisected, commit 3a1151e3f124fd1a2c54b8153f510f1a7c715369 >>>>>>> Submitter       : Rafał Miłecki >>>>>>> Date            : 2010-01-20 23:15 (19 days old) >>>>>>> First-Bad-Commit: http://git.kernel.org/git/linus/3a1151e3f124fd1a2c54b8153f510f1a7c715369 >>>>> It looks like we should revert this commit, seems broken. >>>> Hm, otoh we had definitely people with some Asus laptops who where only be able >>>> to use backlight control with it. So I would rather prefer some work around to >>>> the suspend/resume problem (_DOS if I understood correctly). >>> It's same case with my Sony VAIO. Without this I can not control >>> backlight. Eventually I can hack on GPU registers directly, but I >>> don't think it can be called solution. >> >> Well, do I understand correctly that without commit >> 3a1151e3f124fd1a2c54b8153f510f1a7c715369 you can't control the backlight, >> but with the commit applied there's a resume problem on your box? >> >> Rafael > > Rafał can correct me. I would phrase it that way that without the bisected > patch, there is no backlight control. And because there is with it, we hit the > next BIOS bug because the backlight driver now tries to correctly bring it back > on resume. Do you suspect some conflict between video module and BIOS? Any more ideas? -- Rafał -- 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/