From owner-freebsd-acpi@FreeBSD.ORG Thu May 3 21:38:18 2007 Return-Path: X-Original-To: freebsd-acpi@freebsd.org Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id C1DDA16A402 for ; Thu, 3 May 2007 21:38:18 +0000 (UTC) (envelope-from nate@root.org) Received: from root.org (root.org [67.118.192.226]) by mx1.freebsd.org (Postfix) with ESMTP id A835013C44C for ; Thu, 3 May 2007 21:38:18 +0000 (UTC) (envelope-from nate@root.org) Received: (qmail 12827 invoked from network); 3 May 2007 21:38:19 -0000 Received: from 209-128-117-003.bayarea.net (HELO ?10.0.1.132?) (nate-mail@209.128.117.3) by root.org with ESMTPA; 3 May 2007 21:38:19 -0000 Message-ID: <463A5729.5010908@root.org> Date: Thu, 03 May 2007 14:42:01 -0700 From: Nate Lawson User-Agent: Thunderbird 1.5.0.9 (X11/20070214) MIME-Version: 1.0 To: Laganakos Vassilis References: <20070503210527.GA5660@pythagoras.physics.upatras.gr> In-Reply-To: <20070503210527.GA5660@pythagoras.physics.upatras.gr> X-Enigmail-Version: 0.94.2.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-acpi@freebsd.org Subject: Re: Burning Hot ASUS-6V6 X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 03 May 2007 21:38:18 -0000 Laganakos Vassilis wrote: > Hi, > > I have a problem with my laptop, it gets very hot (~70C) after operating > for a while. I use FreeBSD-6-Stable, and it has this problem for a long > time now. Actually I think it always had it, but I'm fed up with this. > > I tried various things I read in the mailing list, but I don;t know many > things about how acpi handles the fans to control the temperature of the > cpu, etc. Try booting with acpi disabled. > My sysctl hw.thermal after the changes in hw.thermal.tz0._PSV and > hw.thermal.user_override. > > hw.acpi.thermal.min_runtime: 0 > hw.acpi.thermal.polling_rate: 10 > hw.acpi.thermal.user_override: 1 > hw.acpi.thermal.tz0.temperature: 73.0C > hw.acpi.thermal.tz0.active: -1 > hw.acpi.thermal.tz0.passive_cooling: 0 > hw.acpi.thermal.tz0.thermal_flags: 0 > hw.acpi.thermal.tz0._PSV: 90.0C > hw.acpi.thermal.tz0._HOT: -1 > hw.acpi.thermal.tz0._CRT: 127.0C > hw.acpi.thermal.tz0._ACx: -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 > > It seems that the device dowes not support setting passive cooling: > > celeborn# sysctl hw.acpi.thermal.tz0.passive_cooling=1 > hw.acpi.thermal.tz0.passive_cooling: 0 > sysctl: hw.acpi.thermal.tz0.passive_cooling: Operation not supported by device > > and it neither supports active: > > celeborn# sysctl hw.acpi.thermal.tz0.active=1 > hw.acpi.thermal.tz0.active: -1 -> -1 > > Kernel is already loaded with acpi.ko and asus_acpi.ko modules. > > Any clues how to tackle this? I was thinking if I could set the cpu to > run at a lower frequency, when I'm not doing something "heavy" might > help. Load the cpufreq driver at boot, add this to /boot/loader.conf: cpufreq_load="YES" Then run powerd in /etc/rc.conf: powerd_enable="YES" -- Nate