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

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Message-ID: <CAFWT=829mqzfzdXDEFcbno0zJh+EARmdmsjx6H5-Ju5Pqm2CrA@mail.gmail.com>
Date:	Wed, 24 Aug 2011 00:00:13 -0400
From:	Steevven1 <steevven1@...il.com>
To:	Dave Jones <davej@...hat.com>, Steevven1 <steevven1@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: Bug Report for Linux Kernel 3.x

Thanks for the comment. I have already tried this with several
different 3-series kernels. There was no effect on power consumption
or output from powertop.

SK!


On Tue, Aug 23, 2011 at 11:58 PM, Dave Jones <davej@...hat.com> wrote:
> 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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