Re: hot CPU with 3.6.0-rc7+ and intel graphic

From: Toralf FÃrster
Date: Sat Sep 29 2012 - 09:21:22 EST


Just to state it out explicitely, the power saving RC6 is broken on the GPU.

On 09/29/2012 10:16 AM, Toralf FÃrster wrote:
>
> Hello,
>
> I'm observed hot CPUs at my ThinkPad T420 (i5-2540M CPU) w/ integrated
> intel graphic with current git
> Powertop-2.1 shows that the GPU is always at 100%.
>
> .config is attached
>
>
> I bisected this to
>
>
> commit a0e35322910555e20e9eced3f050a76c7b3a1f92
> Author: Feng Tang <feng.tang@xxxxxxxxx>
> Date: Thu Aug 16 15:50:10 2012 +0800
>
> mfd: lpc_ich: Fix a 3.5 kernel regression for iTCO_wdt driver



--
MfG/Sincerely
Toralf FÃrster
pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3
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