From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758042Ab2I1NYJ (ORCPT ); Fri, 28 Sep 2012 09:24:09 -0400 Received: from acsinet15.oracle.com ([141.146.126.227]:43614 "EHLO acsinet15.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756714Ab2I1NYI (ORCPT ); Fri, 28 Sep 2012 09:24:08 -0400 Date: Fri, 28 Sep 2012 16:23:55 +0300 From: Dan Carpenter To: =?iso-8859-1?Q?Fran=E7ois?= Boisson Cc: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org Subject: Re: shutdown with toshiba portege Message-ID: <20120928132354.GG28937@mwanda> References: <20120920204234.0fb035a89f88a2e1f468aa54@maison.homelinux.net> <20120921165753.7a5701fc6a0e1445daa92500@maison.homelinux.net> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20120921165753.7a5701fc6a0e1445daa92500@maison.homelinux.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-Source-IP: ucsinet22.oracle.com [156.151.31.94] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Sep 21, 2012 at 04:57:53PM +0200, François Boisson wrote: > Le Thu, 20 Sep 2012 20:42:34 +0200 > François Boisson 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. > So your Toshiba is going into suspend instead of power off... There are several ways that computers shutdown but modern systems use ACPI. It could be that the 2.6.37-486-PAE was using a different method. I've CC'd the ACPI list. regards, dan carpenter