[ltp] High power consumption after suspend/resume cycle

Christoph Schied linux-thinkpad@linux-thinkpad.org
Mon, 5 Oct 2009 12:36:40 +0200


Hi!

On Fri, Oct 02, 2009 at 01:44:37PM -0400, Andrew Lutomirski wrote:
> First, thanks for all the great work everywhere on laptop power
> consumption -- on my Lenovo X200s, it looks like Linux is getting
> close to Windows (Windows wins by about 0.7W, except that its power
> usage frequently spikes since Windows apparently still doesn't know
> how to sit still and do nothing, whereas Linux's seems more stable.).
> Windows after a reboot, even running KDE with compositing enabled and
> while connected to wifi, at least after some tweaking.

I know it's offtopic, but could you please elaborate on how you did
achieve those powersavings? I'm using a X200 and the powerusage is at
about 11-12W, which is nowhere near the powerusage in Windows.

greetings, Christoph