From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rafael J. Wysocki" Subject: Re: 2.6.35-rc4-git3: Reported regressions from 2.6.34 Date: Fri, 9 Jul 2010 23:42:18 +0200 Message-ID: <201007092342.18286.rjw@sisk.pl> References: <-IGZ64uxA6G.A.P0H.bLmNMB@chimera> <20100709081239.4eb8fddd@virtuousgeek.org> <20100709160408.GU30043@gamma.logic.tuwien.ac.at> Mime-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20100709160408.GU30043@gamma.logic.tuwien.ac.at> Sender: linux-kernel-owner@vger.kernel.org To: Norbert Preining Cc: Jesse Barnes , Linux Kernel Mailing List , Kernel Testers List , Linux ACPI , Linux PM List List-Id: linux-acpi@vger.kernel.org On Friday, July 09, 2010, Norbert Preining wrote: > Hi Jesse, > > (stripping some people from Cc, hopefully not too many) > > On Fr, 09 Jul 2010, Jesse Barnes wrote: > > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16179 > > > > Subject : 2.6.35-rc2 completely hosed on intel gfx? > > > > Submitter : Norbert Preining > > > > Date : 2010-06-06 11:55 (33 days old) > > > > Message-ID : <20100606115534.GA9399@gamma.logic.tuwien.ac.at> > > > > References : http://marc.info/?l=linux-kernel&m=127582534931581&w=2 > > > > > > Hmm. That one is the vt.c bug coupled with another problem, which in > > > turn got opened as a separate bugzilla entry: > > > > > > http://bugzilla.kernel.org/show_bug.cgi?id=16252 > > > > > > which in turn then got closed. I dunno. > > > > Yeah, this is weird. Norbert, do you still see this? Have you tried > > to bisect it? > > I wrote in my last comment of this bug that in *most* of the cases > the > echo "mem" > /sys/power/state > works perfectly, and I'm using it permanently now. > > The problem seems to be in combination with some pm-utils scripts. > I still haven't been able to pin-point the actual pm-utils script that > causes the problem, since that is something not 100% reproducible. > > Futhermore, *once* (only once!) the echo mem > method failed as written in > the bug report with : > [16273.....] PM: resume of devices complete after 2115.046 msecs > [16273.....] Restarting tasks ... done > [16273.....] video LNXVIDEO:00: Restoring backlight state > hanging here, but only once, not any time again. > > It is hard to say what the culprit is, some new pm-utils script maybe, > since it happens even when I switch pm-utils to use the kernel method > (echo mem) to suspend, and not uswsusp (s2ram prog). > > I would suggest keeping that bug closed until I have found the pm-utils > or a specific culprit, then I can reopen it or open a new bug. > > (more disturbing are iwlagn bugs, they are a PITA without any progress) OK, closing. Thanks, Rafael