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 20:31:09 +0100 Message-ID: References: <2uzMDuY-7_O.A.M1G.7X1bLB@chimera> <201002081156.24020.rjw@sisk.pl> <201002082024.32483.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=6/lmvkjFVuojTt+R20AjffI4J+m4rFVJzSCbZEQzyRk=; b=jTyWHHKMI17/b50aRzPgj9/1unpSdgBYFSezkQY64YUrJ5DhSQ9qZq8/Usp5MBGTBf 7NPCKZWjgxns2pDcpdRNO3d/0SAmsk0DZciaMkoBWBFFkNWZAWlAHn6fSmtvNfWSDiqI /zOF7B6Kv6XV37dsu4cfFzUPPv7TvfPJzzoLA= In-Reply-To: <201002082024.32483.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: Linux Kernel Mailing List , Kernel Testers List , Maciej Rutecki , Len Brown , Stefan Bader , Zhang Rui W dniu 8 lutego 2010 20:24 u=C5=BCytkownik Rafael J. Wysocki napisa=C5=82: > On Monday 08 February 2010, Rafa=C5=82 Mi=C5=82ecki wrote: >> W dniu 8 lutego 2010 11:56 u=C5=BCytkownik Rafael J. Wysocki napisa=C5=82: >> > 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. >> > >> > Anyway, I'll do my best to have a look at this bug later today. >> >> In such case I'd prefer to add "broken_DOS" flag for devices that we= re >> enabled by this patch. We could avoid restoring backlight on resume >> for broken_DOS then and maybe just update brightness to current valu= e. > > Or perhaps we can try to restore the backlight at a different place. I wanted to find out what causes this lock up by syncing modules resume or putting some delays. See bug report of my question. Unfortunately didn't get answer. --=20 Rafa=C5=82