From owner-freebsd-acpi@FreeBSD.ORG Fri Mar 7 04:48:31 2008 Return-Path: Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 70527106566B for ; Fri, 7 Mar 2008 04:48:31 +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 398B58FC1E for ; Fri, 7 Mar 2008 04:48:31 +0000 (UTC) (envelope-from nate@root.org) Received: (qmail 13129 invoked from network); 7 Mar 2008 04:48:32 -0000 Received: from ppp-71-139-53-222.dsl.snfc21.pacbell.net (HELO ?10.0.5.18?) (nate-mail@71.139.53.222) by root.org with ESMTPA; 7 Mar 2008 04:48:32 -0000 Message-ID: <47D0C917.6020904@root.org> Date: Thu, 06 Mar 2008 20:48:23 -0800 From: Nate Lawson User-Agent: Thunderbird 2.0.0.12 (Windows/20080213) MIME-Version: 1.0 To: Jim Eberle References: <1204845766.1189@thinkpad.local> In-Reply-To: <1204845766.1189@thinkpad.local> X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-acpi@freebsd.org Subject: Re: ichss makes ThinkPad R31 toasty 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: Fri, 07 Mar 2008 04:48:31 -0000 Jim Eberle wrote: > I recently upgraded the BIOS (famous last words) on my ThinkPad R31. > I've been running FreeBSD 7.0RC3 on it for several months now. I had > noticed before the BIOS upgrade, that under high workloads the machine > would slow to a crawl. That is in fact why I did the upgrade. I thought > the BIOS was flaky or out of sync w/ what FreeBSD expected. > > After the BIOS upgrade I noticed a new driver was loading: ichss. > Unfortunately, the machine now behaves like it had in the past under > high workload all the time. Just booting sends the temperature up to 90C > (formerly 57C), starts the fan on high, and cuts performance to 70%. > > Either the temperature readings are wrong (unlikely), or simply enabling > SpeedStep ICH is making the machine into a toaster. :) Try running powerd(8): echo 'powerd_enable=YES' >> /etc/rc.conf -- Nate