From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= Subject: Re: [Bug #15096] Resume lock up -- bisected, commit 3a1151e3f124fd1a2c54b8153f510f1a7c715369 Date: Mon, 8 Feb 2010 20:31:52 +0100 Message-ID: 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: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=lO87qmhT1/ALSQfwqg29M2bS/W+kLW3H60F0Weh+5eU=; b=Kaqi+zUsPCXHhHfD7PEpvM4ULr1snUexW8kWrlqjosnww1Zvp4oqcN1MCut8SxSVDp 5z8BT8qUnJxR49MRsRIYScNlkT6at6E/GaEfZ+2z81QgUes9jVV8rpgmoHQWUMB9WGQZ x5d12PvMsX2kRS1bAw9uZNib9R9i28k1wMZKI= 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: Stefan Bader , Linux Kernel Mailing List , Kernel Testers List , Maciej Rutecki , Len Brown , Zhang Rui W dniu 8 lutego 2010 20:22 u=C5=BCytkownik Rafael J. Wysocki napisa=C5=82: > 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 re= port >> >>>> of regressions introduced between 2.6.31 and 2.6.32. >> >>>> >> >>>> The following bug entry is on the current list of known regress= ions >> >>>> introduced between 2.6.31 and 2.6.32. =C2=A0Please verify if it= still should >> >>>> be listed and let the tracking team know (either way). >> >>>> >> >>>> >> >>>> Bug-Entry =C2=A0 =C2=A0 =C2=A0 : http://bugzilla.kernel.org/sho= w_bug.cgi?id=3D15096 >> >>>> Subject =C2=A0 =C2=A0 =C2=A0 =C2=A0 : Resume lock up -- bisecte= d, commit 3a1151e3f124fd1a2c54b8153f510f1a7c715369 >> >>>> Submitter =C2=A0 =C2=A0 =C2=A0 : Rafa=C5=82 Mi=C5=82ecki >> >>>> Date =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0: 2010-01-20 23:1= 5 (19 days old) >> >>>> First-Bad-Commit: http://git.kernel.org/git/linus/3a1151e3f124f= d1a2c54b8153f510f1a7c715369 >> >> >> >> 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 wo= rk 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 backli= ght, > but with the commit applied there's a resume problem on your box? That's right. BEFORE: no backlight controll, resume works fine AFTER: backlight control, resume locks up machine --=20 Rafa=C5=82