Messages in this thread | | | Date | Thu, 20 Feb 2014 08:48:37 -0800 | From | Dirk Brandewie <> | Subject | Re: [3.14-rc3] possible regression Haswell runs only at 770Mhz with powersave governor |
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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 >
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