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

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Message-ID: <5066AE4B.9090000@gmx.de>
Date:	Sat, 29 Sep 2012 10:16:11 +0200
From:	Toralf Förster <toralf.foerster@....de>
To:	Feng Tang <feng.tang@...el.com>,
	Samuel Ortiz <sameo@...ux.intel.com>
CC:	Linux Kernel <linux-kernel@...r.kernel.org>,
	Daniel Mack <zonque@...il.com>
Subject: hot CPU with 3.6.0-rc7+ and intel graphic


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@...el.com>
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 Förster
pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3




View attachment ".config" of type "text/plain" (81139 bytes)