On 27.09.2012 17:42, Toralf F?rster 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
