linux-kernel - Re: shutdown with toshiba portege

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Date:	Fri, 21 Sep 2012 16:57:53 +0200
From:	François Boisson 
	<user.anti-spam@...son.homelinux.net>
To:	linux-kernel@...r.kernel.org
Subject: Re: shutdown with toshiba portege

Le Thu, 20 Sep 2012 20:42:34 +0200
François Boisson  <user.anti-spam@...son.homelinux.net> a écrit:

> Hey 
> 
> I have a problem which seems to be related to shutdown for a Toshiba portege
> (it's seems that the problem is also on other Toshiba, on VAIO cw5, y
[...]
> If i shutdown the computer and wait some hours, the power consumption of the
> computer is not null, it's about the same as the power consumtion during a
> suspend of computer. In fact
> 
> Boot and halt with:
> Windows 7 ---> No power consumption after
> Linux 2.6.37-486-PAE --->  No power consumption after
> Linux >= 3.0  ---> Power consumption (about 45-50 mW if acpitool is correct)
[...]

Well can anybody just tell me the sequence of shutdown and power of a x86
computer in then linux kernell, or just how to verify that a device is power
off with a printk, or where to search or even only where is the part of code
doing this. There is many documentation about use device but nothing about
power off.

Thanks

François Boisson
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