From owner-freebsd-mobile@FreeBSD.ORG Fri Oct 14 14:39:54 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 1FDC316A41F for ; Fri, 14 Oct 2005 14:39:54 +0000 (GMT) (envelope-from Alex.Kovalenko@verizon.net) Received: from vms044pub.verizon.net (vms044pub.verizon.net [206.46.252.44]) by mx1.FreeBSD.org (Postfix) with ESMTP id AF9D343D46 for ; Fri, 14 Oct 2005 14:39:53 +0000 (GMT) (envelope-from Alex.Kovalenko@verizon.net) Received: from RabbitsDen ([70.21.166.155]) by vms044.mailsrvcs.net (Sun Java System Messaging Server 6.2 HotFix 0.04 (built Dec 24 2004)) with ESMTPA id <0IOC00HQHU2G2Q93@vms044.mailsrvcs.net> for freebsd-mobile@freebsd.org; Fri, 14 Oct 2005 09:39:53 -0500 (CDT) Date: Fri, 14 Oct 2005 10:38:31 -0400 From: "Alexandre \"Sunny\" Kovalenko" In-reply-to: To: Eric Kjeldergaard Message-id: <1129300711.742.6.camel@RabbitsDen> MIME-version: 1.0 X-Mailer: Evolution 2.2.3 FreeBSD GNOME Team Port Content-type: text/plain; charset=iso-8859-5 Content-transfer-encoding: 8BIT References: <20051012155949.G54439@3jane.math.ualberta.ca> Cc: Barkley Vowk , 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: Fri, 14 Oct 2005 14:39:54 -0000 On Thu, 2005-10-13 at 01:02 +0000, Eric Kjeldergaard wrote: > 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, > > Eric > > -- > If I write a signature, my emails will appear more personalised. > _______________________________________________ > freebsd-mobile@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-mobile > To unsubscribe, send any mail to "freebsd-mobile-unsubscribe@freebsd.org" Good way to check whether USB is the culprit is to use something like USB-powered reading light and suspend. On mine (Averatec 3150H) it stays on, even when machine seem to go to sleep. I don't have solution for this though... -- Alexandre "Sunny" Kovalenko (Олександр Коваленко)