From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755185AbYEZQQr (ORCPT ); Mon, 26 May 2008 12:16:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753369AbYEZQQW (ORCPT ); Mon, 26 May 2008 12:16:22 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:45698 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753272AbYEZQQV (ORCPT ); Mon, 26 May 2008 12:16:21 -0400 Date: Mon, 26 May 2008 08:44:58 -0700 From: Arjan van de Ven To: "Renato S. Yamane" Cc: linux-kernel@vger.kernel.org Subject: Re: [Bug 10797] Something is consuming power after shutdown Message-ID: <20080526084458.6acce426@infradead.org> In-Reply-To: <483AB443.6020807@diamondcut.com.br> References: <483AB443.6020807@diamondcut.com.br> Organization: Intel X-Mailer: Claws Mail 3.3.1 (GTK+ 2.12.9; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 26 May 2008 09:59:47 -0300 "Renato S. Yamane" wrote: > > > > 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). > > I see a similar problem in EeePC (the problem is with snd_hda_intel > driver), but I don't have this driver loaded: the most obvious cause could be Wake-on-Lan, that leaves a part of the system active (specifically, the network card). With the "ethtool" program you can queary and set the state of this. Similarly, but less likely, there is wake-on-serial and wake-on-usb, in theory those are possible too but I've yet to see one of those on any of my machines.