Re: Resume -> higher power drain?

[Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>]

Hi!

> I just observed a strange phenomenon on my new T42p (latest BIOS).
> I can successfully suspend and resume to and from S3 and S4!
> Kernel ist vanilla 2.6.11.8 using ACPI support scripts from the Ubuntu
> acpi-support package (removes critical modules, does vbe save and
> restore, etc...)
> So far very fine and indeed good work.
> 
> Before suspend I usually see a power consumption of about 16W including
> WLAN, which is nicely low.
> But strangely after resume from either S3 or S4 I have see a power
> consumption of 19W+. This means ~3W more or in other words, roughly 20%
> less runtime.
> This is pretty annoying - not a real show-stoppper but it would be nicer
> without ;)
> 
> I have no idea how to diagnose this. My first guess is that some devices
> are not resumed correctly but I have no real idea how for example gather
> device states before and after suspend, or other means to diagnose this.
> 
> So, if anyone has an idea how I can diagnose this and help this issue to
> be solved, let me know. Or is there already a solution floating around?

Is cpufreq working correctly after resume?

									Pavel
-- 
Boycott Kodak -- for their patent abuse against Java.


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