From owner-freebsd-acpi@FreeBSD.ORG Mon Aug 23 20:08:34 2004 Return-Path: Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5D33316A4CE for ; Mon, 23 Aug 2004 20:08:34 +0000 (GMT) Received: from www.cryptography.com (li-22.members.linode.com [64.5.53.22]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2674F43D49 for ; Mon, 23 Aug 2004 20:08:34 +0000 (GMT) (envelope-from nate@root.org) Received: from [10.0.0.34] (adsl-67-127-84-57.dsl.snfc21.pacbell.net [67.127.84.57]) by www.cryptography.com (8.12.8/8.12.8) with ESMTP id i7NK8W8U031086; Mon, 23 Aug 2004 13:08:33 -0700 Message-ID: <412A4EBF.8060009@root.org> Date: Mon, 23 Aug 2004 13:08:31 -0700 From: Nate Lawson User-Agent: Mozilla Thunderbird 0.7.3 (Windows/20040803) X-Accept-Language: en-us, en MIME-Version: 1.0 To: lebabouk@yahoo.fr References: <5B8FDFFC-F524-11D8-B83E-000A95747694@yahoo.fr> <20040823195637.GA2605@gicco.homeip.net> In-Reply-To: <20040823195637.GA2605@gicco.homeip.net> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit cc: freebsd-acpi@freebsd.org Subject: Re: FAN control howto X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 23 Aug 2004 20:08:34 -0000 Hanspeter Roth wrote: > On Aug 23 at 20:49, LeBaBouk spoke: >>I've installed FreeBSD 5.2.1 on a Compaq B1013 laptop. All is quite >>fine but the machine remain very noisy. The FAN never stop. Does any >>one knows how to control them (if it's possible) > > The fan is probably controlled via the CPU. > Is CPU running at 100%? Is the idle process consuming >=98%? > If so my might have the WITNESS option enabled in the kernel > configuration. If so try without WITNESS. Not likely the reason but worth looking into. He should try a more recent 5.3-BETA. Unfortunately, if the fans are controlled by the BIOS and not ACPI (i.e. no fan objects referenced by the thermal zone) there's not much we can do. -- Nate