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[Bug 717454] Power consumption of 3.0.4 kernel is 10-20W higher than 2.6.37 on new i7 based SandyBridge processors

https://bugzilla.novell.com/show_bug.cgi?id=717454

https://bugzilla.novell.com/show_bug.cgi?id=717454#c14


--- Comment #14 from Joey Lee <jlee@xxxxxxxx> 2011-09-27 08:10:57 UTC ---
Just tested on a IronLake machine (found I was wrong after testing), but still
put the powertop result here for compare with SandyBridge:

Acer TravelMate 8572 openSUSE 11.4 2.6.37.1-1.2-desktop i586 kernel
battery discharge brightness lowest level wifi off Desktop 3D
effect enabled
powertop 11.3
after 10 minues: 9.5 W long term: 11.6W

Acer TravelMate 8572 openSUSE 11.4 3.0.4-43.3-desktop i586 kernel
(openSUSE:Tumbleweed)
battery discharge brightness lowest level wifi off Desktop 3D
effect enabled
powertop 11.3
after 10 minutes: 8.4 W long term: 12.2W


Didn't have huge difference between 2.6.37 and 3.0.4 kernel, I am testing a
SandyBridge machine, will attach result.

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