[Bug 58801] intel_pstate/powersave - cpu frequency remains at high level if if system is idle

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https://bugzilla.kernel.org/show_bug.cgi?id=58801





--- Comment #1 from Rafael J. Wysocki <rjw@xxxxxxx>  2013-05-25 09:07:20 ---
On Saturday, May 25, 2013 07:24:54 AM bugzilla-daemon@xxxxxxxxxxxxxxxxxxx
wrote:
[...]
> 
> With the kernel versions 3.9.3 and now even 3.9.4 the frequency remains at a
> quite high frequency (3.0 or 2.9 GHz) even if the the system is completely
> idle.
> 
> As I have not changed the kernel-config when I updated to the versions 3.9.3
> and 3.9.4 I assume some bug was introduced in the kernel as of 3.9.3.
> 
> Please let me know if you need any further info.

Can you possibly identify the change between 3.9.1 and 3.9.3 that introduced
the problem for you?

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