From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756349AbZBXMi7 (ORCPT ); Tue, 24 Feb 2009 07:38:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754026AbZBXMiu (ORCPT ); Tue, 24 Feb 2009 07:38:50 -0500 Received: from smtp108.mail.mud.yahoo.com ([209.191.85.218]:30570 "HELO smtp108.mail.mud.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752457AbZBXMiu (ORCPT ); Tue, 24 Feb 2009 07:38:50 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com.au; h=Received:X-YMail-OSG:X-Yahoo-Newman-Property:From:To:Subject:Date:User-Agent:Cc:References:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding:Content-Disposition:Message-Id; b=bkX69/Ly37sOphO2hHhMI3rLMiFHmmfzq8TyhEPNhceYn2HxgjxTZrgFHxeGXM2gHRCl0eA65GigRk83ygnF0hgu0r2P0ZCZil1GqkhciwoIeV/KIXqgzWqSgNo5yKlpmCrr+R017hb7rNSzYljRvsxwb8wI8sdXS16ocUs/YwU= ; X-YMail-OSG: jJ2lqsoVM1nqpJgSzftwnLaKV2uLtiA2NNkMeQl1I7PgJWqpCaGYlBfxZ3p661L1dhlZ1jaLvS5urH9hik0Z7viU8HqynBkgZTMXKgQp30MhXAS4SBKvllakwYo2nCsriDealF2yprBdT2_IeZ3et0AoMnh_mBap_JVxFbsDJ_Migk8xjlp29sWQ.JzSvM1dLCOf4Xe.VeO2u7imJ9._tHCxsk4jLAF3 X-Yahoo-Newman-Property: ymail-3 From: Nick Piggin To: luis6674@yahoo.com, Eric Anholt , Jesse Barnes Subject: Re: [Bug #12337] ~100 extra wakeups reported by powertop Date: Tue, 24 Feb 2009 23:38:13 +1100 User-Agent: KMail/1.9.51 (KDE/4.0.4; ; ) Cc: Linux Kernel Mailing List , "Rafael J. Wysocki" , Kernel Testers List References: <77208.42754.qm@web53309.mail.re2.yahoo.com> In-Reply-To: <77208.42754.qm@web53309.mail.re2.yahoo.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200902242338.14105.nickpiggin@yahoo.com.au> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday 24 February 2009 23:25:11 Alberto Gonzalez wrote: > --- On Tue, 2/24/09, Nick Piggin wrote: > > > > Bug-Entry : > > > > http://bugzilla.kernel.org/show_bug.cgi?id=12337 > > > > Subject : ~100 extra wakeups reported by > > > > powertop > > > > > > Submitter : Alberto Gonzalez > > > > > > > > > > Date : 2008-12-31 12:25 (55 days old) > > > > > > Still present, yes. > > > > Any chance you could bisect it? > > Well, if you look at the report you'd notice that: I read at the report, but it wasn't obvious that you wouldn't be able to bisect it. > - I'm using a released, stable, distro (Arch Linux, basically vanilla) > kernel. I hardly know how to compile one, let alone bisect it. - I first > had the problem on my 5+ year old Pentium 4 with equally old Intel graphics > (845G chipset). I thought it would be hardware specific. But now I got a > new Core 2 Duo with new Intel graphics (G45 chipset), moved to 64bit, and > still have the exact same problem and exact same workaround. So I really > don't believe anymore it's something hardware specific and should be quite > general to anyone using Intel graphics. I hoped someone with much better > knowledge could reproduce it and investigate it better. > > On the report, Eric Anholt mentioned a likely cause and said that Jesse > Barnes had looked into a similar issue before. I cc'd him (jbarnes) on last > week reminder, but got no reply. > > I really wish I could do more, but learning to compile a custom kernel for > my hardware and do a git bisect is something I just can't afford now. If > relevant people try to reproduce it but can't, and say only possible > solution would be for me to bisect it I guess I could try to give it a go > when I get some spare time. Fair enough. Reporting a problem is always very appreciated. Pinging Eric and Jesse ;)