From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932402AbaFIWMc (ORCPT ); Mon, 9 Jun 2014 18:12:32 -0400 Received: from v094114.home.net.pl ([79.96.170.134]:53614 "HELO v094114.home.net.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S932299AbaFIWM3 convert rfc822-to-8bit (ORCPT ); Mon, 9 Jun 2014 18:12:29 -0400 From: "Rafael J. Wysocki" To: Martin Steigerwald Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org Subject: Re: [REGRESSION] 3.15: Seems to turbo mode Intel Sandybridge Dual Core without need, overheating CPU Date: Tue, 10 Jun 2014 00:29:52 +0200 Message-ID: <2491989.M5MhllcFpf@vostro.rjw.lan> User-Agent: KMail/4.11.5 (Linux/3.15.0-rc5+; KDE/4.11.5; x86_64; ; ) In-Reply-To: <1773550.hda5I1At4Q@vostro.rjw.lan> References: <1996399.buoKlNI5nG@merkaba> <4677478.c1YrKzctMH@merkaba> <1773550.hda5I1At4Q@vostro.rjw.lan> MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday, June 10, 2014 12:20:20 AM Rafael J. Wysocki wrote: > On Monday, June 09, 2014 11:41:40 PM Martin Steigerwald wrote: > > Am Montag, 9. Juni 2014, 23:33:43 schrieb Martin Steigerwald: > > > Hi! > > > > > > Added linux-pm to Cc. Also reboots seems to fix up the condition: > > > > > > merkaba:~> grep . /sys/devices/system/cpu/cpu[0-3]/cpufreq/cpuinfo_cur_freq > > > /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq:830957 > > > /sys/devices/system/cpu/cpu1/cpufreq/cpuinfo_cur_freq:819628 > > > /sys/devices/system/cpu/cpu2/cpufreq/cpuinfo_cur_freq:800000 > > > /sys/devices/system/cpu/cpu3/cpufreq/cpuinfo_cur_freq:813476 > > > merkaba:~> sensors > > > acpitz-virtual-0 > > > Adapter: Virtual device > > > temp1: +71.0°C (crit = +98.0°C) > > > > > > coretemp-isa-0000 > > > Adapter: ISA adapter > > > Physical id 0: +71.0°C (high = +86.0°C, crit = +100.0°C) > > > Core 0: +70.0°C (high = +86.0°C, crit = +100.0°C) > > > Core 1: +71.0°C (high = +86.0°C, crit = +100.0°C) > > > > > > thinkpad-isa-0000 > > > Adapter: ISA adapter > > > fan1: 3137 R > > > > > > > > > Still hot in here and after reboot and login into KDE session there is quite > > > some CPU activity for a while. > > > > > > But way better than before. > > > > > > I can test whether this also happens with ACPI cpufreq driver. > > > > > > I think I didn´t see this with 3.14. > > > > Its not just me: > > > > Please change intel_pstate default to disable > > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1188647 > > Did you test the 3.15-rc kernels? If so, do they have this problem too? Or is that just you have tried intel_pstate for the first time? Rafael