From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932178AbWIYOSD (ORCPT ); Mon, 25 Sep 2006 10:18:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932179AbWIYOSD (ORCPT ); Mon, 25 Sep 2006 10:18:03 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:18960 "EHLO spitz.ucw.cz") by vger.kernel.org with ESMTP id S932178AbWIYOSA (ORCPT ); Mon, 25 Sep 2006 10:18:00 -0400 Date: Sun, 24 Sep 2006 16:21:58 +0000 From: Pavel Machek To: Alexander Gran Cc: kernel list , Greg KH , Linux usb mailing list Subject: Re: usb still sucks battery in -rc7-mm1 Message-ID: <20060924162158.GB5156@ucw.cz> References: <20060924090858.GA1852@elf.ucw.cz> <200609241650.02922@zodiac.zodiac.dnsalias.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200609241650.02922@zodiac.zodiac.dnsalias.org> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun 24-09-06 16:49:59, Alexander Gran wrote: > Perhaps your cpu cannot go into deep c states? At least my IBm T40p has that > problem, when USB is enabled. Yes, and latest -mm's were expected to fix that... Pavel > > regards > Alex > > Am Sonntag, 24. September 2006 11:08 schrieb Pavel Machek: > > Hi! > > > > I made some quick experiments, and usb still eats 4W of battery > > power. (With whole machine eating 9W, that's kind of a big deal)... > > > > This particular machine has usb bluetooth, but it can be disabled by > > firmware, and appears unplugged. (I did that). It also has fingerprint > > scanner, that can't be disabled, but that does not have driver (only > > driven by useland, and was unused in this experiment). > > > > Any ideas? > > Pavel > > -- > Encrypted Mails welcome. > PGP-Key at http://www.grans.eu/misc/pgpkey.asc | Key-ID: 0x6D7DD291 > More info at http://www.grans.eu/Alexander_Gran.html -- Thanks for all the (sleeping) penguins.