Re: [3.9-rc1] very poor interrupt responses

From: Rafael J. Wysocki
Date: Sun Mar 10 2013 - 23:31:47 EST


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).

Thanks,
Rafael


--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/