From owner-freebsd-mobile@FreeBSD.ORG Thu Oct 13 03:03:07 2005 Return-Path: X-Original-To: freebsd-mobile@freebsd.org Delivered-To: freebsd-mobile@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 425AD16A41F for ; Thu, 13 Oct 2005 03:03:07 +0000 (GMT) (envelope-from imp@bsdimp.com) Received: from harmony.bsdimp.com (vc4-2-0-87.dsl.netrack.net [199.45.160.85]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9EDDC43D45 for ; Thu, 13 Oct 2005 03:03:06 +0000 (GMT) (envelope-from imp@bsdimp.com) Received: from localhost (localhost.village.org [127.0.0.1] (may be forged)) by harmony.bsdimp.com (8.13.3/8.13.3) with ESMTP id j9D32fBL063972; Wed, 12 Oct 2005 21:02:41 -0600 (MDT) (envelope-from imp@bsdimp.com) Date: Wed, 12 Oct 2005 21:03:48 -0600 (MDT) Message-Id: <20051012.210348.118527973.imp@bsdimp.com> To: kjelderg@gmail.com From: "M. Warner Losh" In-Reply-To: References: <20051012155949.G54439@3jane.math.ualberta.ca> X-Mailer: Mew version 3.3 on Emacs 21.3 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.0 (harmony.bsdimp.com [127.0.0.1]); Wed, 12 Oct 2005 21:02:41 -0600 (MDT) Cc: bvowk@math.ualberta.ca, freebsd-mobile@freebsd.org Subject: Re: Suspend drains battery on IBM T42 X-BeenThere: freebsd-mobile@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Mobile computing with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 13 Oct 2005 03:03:07 -0000 In message: Eric Kjeldergaard writes: : On 12/10/05, Barkley Vowk wrote: : > I just got a new T42 notebook, and everything works ok, except when I drop : > the notebook into acpi sleep, it burns through the battery in 8 hours or : > so. It would be nice if the notebook could suspend at least overnight. : > : > I've also noticed that the suspended notebook is warm to the touch. And, : > that when the notebook is suspended, the LCD backlight goes off, but the : > text is still faintly visible. : > : > This site leads me to believe that my radeon chipset isn't being put to : > bed: : > http://www.thinkwiki.org/wiki/Problem_with_high_power_drain_in_ACPI_sleep : > : > I'm running 6.0-B5, and I've got acpi_ibm, acpi_video loaded (I kind of : > wish suspend/resume would work with drm enabled). : > : > I had tried using apm instead of acpi, but usb fails to work after : > resuming, so I didn't test to see if the power drain was better. : : you may want to check out radeontool : http://www.init-main.com/radeontoolport.tar.gz . Another common user : of power in suspended laptops seems to be USB not shutting down. Good : luck with your troubles, We should be setting ALL the devices into D3 state. Unless acpi tables say something different. Warner