From owner-freebsd-stable@FreeBSD.ORG Sat Dec 12 15:21:28 2009 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2B5B6106566C for ; Sat, 12 Dec 2009 15:21:28 +0000 (UTC) (envelope-from luigi@onelab2.iet.unipi.it) Received: from onelab2.iet.unipi.it (onelab2.iet.unipi.it [131.114.59.238]) by mx1.freebsd.org (Postfix) with ESMTP id E630A8FC08 for ; Sat, 12 Dec 2009 15:21:27 +0000 (UTC) Received: by onelab2.iet.unipi.it (Postfix, from userid 275) id 0322073098; Sat, 12 Dec 2009 16:28:46 +0100 (CET) Date: Sat, 12 Dec 2009 16:28:45 +0100 From: Luigi Rizzo To: Zoran Kolic Message-ID: <20091212152845.GA56439@onelab2.iet.unipi.it> References: <20091212151121.GA1461@mycenae.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20091212151121.GA1461@mycenae.net> User-Agent: Mutt/1.4.2.3i Cc: freebsd-stable@freebsd.org Subject: Re: laptop battery on 8.0 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 12 Dec 2009 15:21:28 -0000 On Sat, Dec 12, 2009 at 04:11:22PM +0100, Zoran Kolic wrote: > Howdy! > Old laptop hp nx9020 with i386 8.0. > Original battery was 371785-001, 11.1 V and 4400 mAH. > New one says it is f4809 at 14.8 V. I also lost precise > measurement of remain battery time: > > hw.acpi.battery.life: 97 > hw.acpi.battery.time: 267 > > then again: > > hw.acpi.battery.life: 97 > hw.acpi.battery.time: 388 > > I'd like to hear any opinion on this subject. Could I > damage laptop? Also, what I could do to regain "life" > option? surely there might be a mistake in how data are parsed, but remember that the "remaining time" is computed based on remaining capacity and recent average current. So, if for any reason (cpu/disk/network load decreases, screensaver, etc.) the current decreases, the reported time goes up. It happens all the time with 'acpiconf -i batt' even on 7.x. cheers luigi