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

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Message-ID: <5064FCFE.4070009@gmail.com>
Date:	Fri, 28 Sep 2012 03:27:26 +0200
From:	Daniel Mack <zonque@...il.com>
To:	Toralf Förster <toralf.foerster@....de>
CC:	dri-devel@...ts.freedesktop.org,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: hot CPU with 3.6.0-rc7+ and intel graphic

On 27.09.2012 17:42, Toralf Förster wrote:
> I'm observing a high CPU usage at my ThinkPad T420 (i5-2540M CPU), w/
> integrated intel graphic.
> 
> Powertop-2.1 shows that the GPU is always at 100%, although I've defined
> these settings :
> $> cat /etc/modprobe.d/i915.conf
> options i915 i915_enable_rc6=7 lvds_downclock=0
> 
> Kernel 3.5.4 works fine, I don't see any differences in dmesg output.

Could you try to bisect this problem?


Daniel


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