From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Bader Subject: Re: [Bug #15096] Resume lock up -- bisected, commit 3a1151e3f124fd1a2c54b8153f510f1a7c715369 Date: Mon, 08 Feb 2010 20:32:10 +0100 Message-ID: <4B7066BA.7040806@canonical.com> References: <2uzMDuY-7_O.A.M1G.7X1bLB@chimera> <4B7004F4.3030804@canonical.com> <201002082022.43515.rjw@sisk.pl> Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <201002082022.43515.rjw-KKrjLPT3xs0@public.gmane.org> Sender: kernel-testers-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="utf-8" To: "Rafael J. Wysocki" Cc: =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= , Linux Kernel Mailing List , Kernel Testers List , Maciej Rutecki , Len Brown , Zhang Rui Rafael J. Wysocki wrote: > On Monday 08 February 2010, Rafa=C5=82 Mi=C5=82ecki wrote: >> 2010/2/8 Stefan Bader : >>> Rafael J. Wysocki wrote: >>>> On Monday 08 February 2010, Rafa=C5=82 Mi=C5=82ecki wrote: >>>>> 2010/2/8 Rafael J. Wysocki : >>>>>> This message has been generated automatically as a part of a rep= ort >>>>>> of regressions introduced between 2.6.31 and 2.6.32. >>>>>> >>>>>> The following bug entry is on the current list of known regressi= ons >>>>>> 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=3D1= 5096 >>>>>> Subject : Resume lock up -- bisected, commit 3a1151e3f12= 4fd1a2c54b8153f510f1a7c715369 >>>>>> Submitter : Rafa=C5=82 Mi=C5=82ecki >>>>>> Date : 2010-01-20 23:15 (19 days old) >>>>>> First-Bad-Commit: http://git.kernel.org/git/linus/3a1151e3f124fd= 1a2c54b8153f510f1a7c715369 >>>> 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 wor= k 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. >=20 > Well, do I understand correctly that without commit > 3a1151e3f124fd1a2c54b8153f510f1a7c715369 you can't control the backli= ght, > but with the commit applied there's a resume problem on your box? >=20 > Rafael Rafa=C5=82 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. Stefan