From owner-freebsd-current@FreeBSD.ORG Wed Jan 28 06:35:48 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5A25B16A4CE for ; Wed, 28 Jan 2004 06:35:48 -0800 (PST) Received: from psg.com (psg.com [147.28.0.62]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8A63643D1F for ; Wed, 28 Jan 2004 06:35:47 -0800 (PST) (envelope-from randy@psg.com) Received: from [127.0.0.1] (helo=roam.psg.com) by psg.com with esmtp (Exim 4.24; FreeBSD) id 1AlqnD-0009U3-7O; Wed, 28 Jan 2004 14:35:47 +0000 Received: from localhost.ripe.net ([127.0.0.1] helo=roam.psg.com) by roam.psg.com with esmtp (Exim 4.30; FreeBSD) id 1AlqnC-0003B2-Dn; Wed, 28 Jan 2004 15:35:46 +0100 From: Randy Bush MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit To: Anish Mistry References: <4017BB7A.6090307@noc.ntua.gr> <200401280929.46302.mistry.7@osu.edu> Message-Id: Date: Wed, 28 Jan 2004 14:35:47 +0000 cc: freebsd-current@freebsd.org Subject: Re: sleeping too lightly X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 Jan 2004 14:35:48 -0000 >>> thinkpad t40p >>> pretty current >>> >>> S3 does suspend, and i have successfully tied it to the key and lid. >>> but it seems to burn battery anyway, like five hours eats 40% of it, >>> and it sleeps quite warmly. any clues? >> >> Isn't it supposed to? I believe that you need S4 for complete poweroff. >> acpiconf(8) says something along these lines, too. > > True, but it shouldn't eat battery that fast. This sounds similar to what > happens on my system, turns out that the display isn't completely turned > off, only the backlight is turned off, and if you look really carefully > you can still see the video adapter is being powered. aha! bingo! randy