From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dirk Brandewie Subject: Re: [3.14-rc3] possible regression Haswell runs only at 770Mhz with powersave governor Date: Thu, 20 Feb 2014 08:48:37 -0800 Message-ID: <530631E5.5050104@gmail.com> References: <53061204.7080700@gmx.net> <20140220150101.GA9557@pd.tnic> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20140220150101.GA9557@pd.tnic> Sender: cpufreq-owner@vger.kernel.org To: Borislav Petkov , Otto Meier Cc: dirk.brandewie@gmail.com, linux-kernel@vger.kernel.org, cpufreq@vger.kernel.org, linux-pm@vger.kernel.org List-Id: linux-pm@vger.kernel.org On 02/20/2014 07:01 AM, Borislav Petkov wrote: > Add lists to CC. > > On Thu, Feb 20, 2014 at 03:32:36PM +0100, Otto Meier wrote: >> Hello, >> >> My System which runs with older kernels up to 3.13.3 >> fine on my i3-4330 with 3.5 Ghz and governor powersave. >> and pstate driver. >> >> With kernel 3.14-rc3 and Governor powersave it runs >> only at 770Mhz and never switches to higher Freq. on load. >> Even compiling a kernel with make -j4 does not change freq. >> commit fcb6a15c2e7e76d493e6f91ea889ab40e1c643a4 seems to be the culprit >> With governor performance it switches to 3.5 Ghz and stays >> there. >> >> Any Idea how to fix this? >> Greg KH is seeing the same thing on his Haswell system. I am trying to figure what went south. https://lkml.org/lkml/2014/2/19/626 Can you send me the .config for the broken kernel also the output of gcc -v >> Best regards >