From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754391Ab2I2NVc (ORCPT ); Sat, 29 Sep 2012 09:21:32 -0400 Received: from mailout-de.gmx.net ([213.165.64.22]:48506 "HELO mailout-de.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1753855Ab2I2NVb (ORCPT ); Sat, 29 Sep 2012 09:21:31 -0400 X-Authenticated: #5108953 X-Provags-ID: V01U2FsdGVkX19QN00ZTFZQp5gAI/cl/fc3P3awdRNWDT4cQRRVP2 sOA8OFIPUf63X9 Message-ID: <5066F5D6.1000105@gmx.de> Date: Sat, 29 Sep 2012 15:21:26 +0200 From: =?UTF-8?B?VG9yYWxmIEbDtnJzdGVy?= User-Agent: Mozilla/5.0 (X11; Linux i686; rv:15.0) Gecko/20120913 Thunderbird/15.0.1 MIME-Version: 1.0 To: Feng Tang , Samuel Ortiz CC: Linux Kernel , Daniel Mack Subject: Re: hot CPU with 3.6.0-rc7+ and intel graphic References: <5066AD45.70107@gmx.de> <5066AE4B.9090000@gmx.de> In-Reply-To: <5066AE4B.9090000@gmx.de> X-Enigmail-Version: 1.4.4 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Just to state it out explicitely, the power saving RC6 is broken on the GPU. On 09/29/2012 10:16 AM, Toralf Förster wrote: > > Hello, > > I'm observed hot CPUs at my ThinkPad T420 (i5-2540M CPU) w/ integrated > intel graphic with current git > Powertop-2.1 shows that the GPU is always at 100%. > > .config is attached > > > I bisected this to > > > commit a0e35322910555e20e9eced3f050a76c7b3a1f92 > Author: Feng Tang > Date: Thu Aug 16 15:50:10 2012 +0800 > > mfd: lpc_ich: Fix a 3.5 kernel regression for iTCO_wdt driver -- MfG/Sincerely Toralf Förster pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3