Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754076Ab0AWUMT (ORCPT ); Sat, 23 Jan 2010 15:12:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753953Ab0AWUMN (ORCPT ); Sat, 23 Jan 2010 15:12:13 -0500 Received: from ogre.sisk.pl ([217.79.144.158]:43127 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752636Ab0AWUMI (ORCPT ); Sat, 23 Jan 2010 15:12:08 -0500 From: "Rafael J. Wysocki" To: Justin Piszcz Subject: Re: High pitch noise when ACPI processor module is loaded. Date: Sat, 23 Jan 2010 21:12:57 +0100 User-Agent: KMail/1.12.3 (Linux/2.6.33-rc4-rjw; KDE/4.3.3; x86_64; ; ) Cc: linux-kernel@vger.kernel.org, ACPI Devel Maling List References: In-Reply-To: MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201001232112.57601.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 781 Lines: 22 Messages about ACPI should be CCed to linux-acpi@vger.kernel.org (added). On Saturday 23 January 2010, Justin Piszcz wrote: > Hi, > > Linux: > When I do not load the ACPI processor module, there is no high pitch > noise. When I load the ACPI processor module (so I can utilize Turbo > Boost), Linux makes the system emit a high pitch noise. > > Windows: > The same system, running Windows 7 does not emit any noise. > > Is there something wrong with the ACPI processor module or its > implementation on i5/i7 CPUs? > > Justin. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/