linux-kernel - Re: Bug Report for Linux Kernel 3.x

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Message-ID: <20110824035800.GA30312@redhat.com>
Date:	Tue, 23 Aug 2011 23:58:01 -0400
From:	Dave Jones <davej@...hat.com>
To:	Steevven1 <steevven1@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Bug Report for Linux Kernel 3.x

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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