Messages in this thread | | | Date | Tue, 23 Aug 2011 23:58:01 -0400 | From | Dave Jones <> | Subject | Re: Bug Report for Linux Kernel 3.x |
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On Tue, Aug 23, 2011 at 07:19:35PM -0400, Steevven1 wrote: > Hello, > > I would like to report what myself and several others believe to be a > serious bug affecting all Linux kernels 3.0 and up, and none below 3.0 > (2.6.x and lower). > > One-sentence description: On certain hardware, the 3.x series kernels > drain a considerable amount more power than the 2.6-series kernels, up > to 40% more, even when idle. > > The specific hardware I have personally tested is a Lenovo ThinkPad > X220 with an Intel SandyBridge i7 2620M processor.
Sounds like https://bugzilla.redhat.com/show_bug.cgi?id=727579 Try booting with i915.i915_enable_rc6=1
Dave
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