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SubjectRe: [3.9-rc1] very poor interrupt responses
Rafael J. Wysocki [2013-03-11 04:38]:

> On Friday, March 08, 2013 02:12:33 PM Shawn Starr wrote:
>> Hello folks,
>>
>> I am noticing since rc0 and now rc1, very poor interrupt handling. Keyboard response, mouse movements, display refreshing etc. General input/display sluggishness. Did something break IRQ handling somewhere? I need to validate if this happens with X not running also if it is i915 related somehow. The behavor is noticed in a console login however.
>
> Please try to disable the intel_pstate driver by putting intel_pstate=disable
> into the kernel's command line and see if that helps (you may also try to
> compile the driver out).

I see the same problem on my Thinkpad T500, and I have
X86_INTEL_PSTATE=n in my config.
--
Hilsen Harald


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