From owner-freebsd-acpi@FreeBSD.ORG Fri Mar 4 05:34:01 2005 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 8275216A4CE; Fri, 4 Mar 2005 05:34:01 +0000 (GMT) Received: from ylpvm43.prodigy.net (ylpvm43-ext.prodigy.net [207.115.57.74]) by mx1.FreeBSD.org (Postfix) with ESMTP id 199F243D2F; Fri, 4 Mar 2005 05:34:01 +0000 (GMT) (envelope-from nate@root.org) Received: from [10.0.5.51] (adsl-64-171-186-189.dsl.snfc21.pacbell.net [64.171.186.189])j245Xxoo018337; Fri, 4 Mar 2005 00:34:00 -0500 Message-ID: <4227F346.1080609@root.org> Date: Thu, 03 Mar 2005 21:33:58 -0800 From: Nate Lawson User-Agent: Mozilla Thunderbird 1.0RC1 (X11/20041205) X-Accept-Language: en-us, en MIME-Version: 1.0 To: John Baldwin References: <200502241437.26073.jhb@FreeBSD.org> In-Reply-To: <200502241437.26073.jhb@FreeBSD.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit cc: acpi@FreeBSD.org Subject: Re: cpufreq not happy on my laptop 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: Fri, 04 Mar 2005 05:34:01 -0000 John Baldwin wrote: > First off, this is the big green laptop that has a desktop P4 in it, so I'm > aware that this is very much an edge case. The system does support ACPI duty > width type throttling and even has the T2 and T3 constants for use with _PSV. > I tried cpufreq(4) on it with the recent updates and it's not too happy. > Before the p4tcc driver was added, this is what I got: > > dev.cpu.0.freq_levels: 9999/99999 9999/99999 8749/87499 7499/74999 6249/62499 4999/49999 3749/37499 2499/24999 1249/12499 Ok, I have committed code (rev 1.15 of acpi_perf.c) to not attach acpi_perf when it has 9999 as the frequency. Bruno Ducrot reported some systems use 0xffff to indicate this so I added this as well. Let me know if everything else works ok for you. -- Nate