From owner-freebsd-mobile@FreeBSD.ORG Mon Oct 8 22:32:39 2007 Return-Path: Delivered-To: freebsd-mobile@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 26F2C16A418 for ; Mon, 8 Oct 2007 22:32:39 +0000 (UTC) (envelope-from freebsd@meijome.net) Received: from sigma.octantis.com.au (ns2.octantis.com.au [207.44.189.124]) by mx1.freebsd.org (Postfix) with ESMTP id CCE7E13C43E for ; Mon, 8 Oct 2007 22:32:38 +0000 (UTC) (envelope-from freebsd@meijome.net) Received: (qmail 6219 invoked from network); 8 Oct 2007 17:32:38 -0500 Received: from 124-170-228-57.dyn.iinet.net.au (HELO localhost) (124.170.228.57) by sigma.octantis.com.au with (DHE-RSA-AES256-SHA encrypted) SMTP; 8 Oct 2007 17:32:38 -0500 Date: Tue, 9 Oct 2007 08:32:34 +1000 From: Norberto Meijome To: Lars Engels Message-ID: <20071009083234.2a1b376b@meijome.net> In-Reply-To: <20071008154116.0o3hvbyxggk400k0@0x20.net> References: <20071008172756.2aed69e7@meijome.net> <20071008173604.1e449ca2@meijome.net> <20071008111601.kfrb6qt8isw4owc0@0x20.net> <20071008203558.022fd258@meijome.net> <20071008203733.3128f3b6@meijome.net> <20071008154116.0o3hvbyxggk400k0@0x20.net> X-Mailer: Claws Mail 3.0.2 (GTK+ 2.10.14; i386-portbld-freebsd6.2) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: FreeBSD Mobile ML Subject: Re: Management of Thermal 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: Mon, 08 Oct 2007 22:32:39 -0000 On Mon, 08 Oct 2007 15:41:16 +0200 Lars Engels wrote: > What I can see from yoursystl output is that hw.acpi.cpu.cx_lowest is > set to C1. You could try to set it to C3. Then the CPU will sleep > deeper and has some time to cool down. sounds like a good idea - i'll give it a try. > Another thing I spotted is hw.acpi.thermal.tz0.passive_cooling=1 > With that setting the CPU is cooled passively AFAIK. So if the fan > starts to run, it could be that it is not FreeBSD that tells it so, > but the internal sensors. hmm i'll check the BIOS ...maybe there's something there too > Do you have Windows installed on that Notebook? How warm does the CPU > get there? Or with a Linux live CD? i can run knoppix - i'll get the sysctls settings out of it and see how they compare.... thanks, Lars B _________________________ {Beto|Norberto|Numard} Meijome Unix is user friendly. However, it isn't idiot friendly. I speak for myself, not my employer. Contents may be hot. Slippery when wet. Reading disclaimers makes you go blind. Writing them is worse. You have been Warned.