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Re: power management problems

From: Stefan Monnier <monnier(at)iro.umontreal.ca>
Date: Mon Sep 17 2007 - 11:15:05 EDT

> While I'm using 2.6.22 with HI-RES Timers, I hardly get around 5-10 minutes
> of power when running on battery. Where as Windows makes it run for 1.5 hrs
> approx.

Such an enormous difference cannot be the consequence of some sub-optimal power management. It's clearly a sign of a bug somewhere between ACPI, BIOS, Linux, and your kpowersave daemon.

Check /proc/acpi/battery/BAT0/{state,info} at various point in time to see how much power is left in your battery, how much is being consumed etc...

Stefan

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Received on Mon Sep 17 11:36:46 2007

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