linux-kernel - Re: [Bug 10797] Something is consuming power after shutdown

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Date:	Sat, 31 May 2008 09:44:33 +0200
From:	Pavel Machek <pavel@....cz>
To:	"Renato S. Yamane" <yamane@...mondcut.com.br>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [Bug 10797] Something is consuming power after shutdown

Hi!

> <http://bugzilla.kernel.org/show_bug.cgi?id=10797>
> <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=481493>
> 
> After poweroff, something still working and consuming 
> power. So I loss ~4% of my battery charge in each 12h.
> 
> If I shutdown my laptop using Kernel 2.6.24/25 when 
> battery is 100%, after 12h my battery charge go to 96% 
> (this information is checked with kpowersave and with 
> LED available in my laptop that change color from blue 
> to yellow when battery is not FULL).
> 
> If I shutdown this same laptop by WinXP (I have a dual 
> boot), nothing change. So, my battery still have 100% 
> after 12h (or more).

Try to find out which component eats power, eg. by opening the machine
searching for heat.

(And yes, your hw is broken; on pc it is traditionaly hw
responsibility to power machine down.)

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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