linux-kernel - Re: Battery life on Lenovo X60s

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Message-id: <45C4F952.5090805@shaw.ca>
Date:	Sat, 03 Feb 2007 15:06:26 -0600
From:	Robert Hancock <hancockr@...w.ca>
To:	Casper Bruun <casperbruun@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Battery life on Lenovo X60s

Casper Bruun wrote:
> Hello
> 
> I and many others are having problems with battery life on the Lenovo
> X60s laptop.
> 
> There have been several threads concerning this on Nabble, thinkwiki
> and many other Linux sites, and the problem has always been the same:
> Linux draw significantly more power than XP on this particular laptop.
> 
> Everything known about the problem is summarized here:
> http://www.nabble.com/thinkpad-x60-Battery-Life--!-t1971716.html
> 
> I am posting here as a last resort, as I simply have no idea where
> else to ask. What could possibly be causing this?
> 
> As I am not very technical, I'm not sure what other information you
> need to look into this. Tell me if you need need config files, logs or
> anything.
> 
> Can someone please look into this? Any help would be greatly appreciated!
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The test results supposedly show that the CPU speed isn't being reduced 
when the kernel thinks it is. It looks like that test was using 
speedstep-centrino as the scaling driver, you may want to see if 
acpi-cpufreq works instead.

-- 
Robert Hancock      Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@...pamshaw.ca
Home Page: http://www.roberthancock.com/

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