From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262652AbTLLW7o (ORCPT ); Fri, 12 Dec 2003 17:59:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262674AbTLLW7o (ORCPT ); Fri, 12 Dec 2003 17:59:44 -0500 Received: from twilight.ucw.cz ([81.30.235.3]:43932 "EHLO twilight.ucw.cz") by vger.kernel.org with ESMTP id S262652AbTLLW67 (ORCPT ); Fri, 12 Dec 2003 17:58:59 -0500 Date: Fri, 12 Dec 2003 23:58:56 +0100 From: Vojtech Pavlik To: Jamie Lokier Cc: Linux Kernel Subject: Re: Increasing HZ (patch for HZ > 1000) Message-ID: <20031212225856.GA30751@ucw.cz> References: <20031212223128.GA15935@mail.shareable.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20031212223128.GA15935@mail.shareable.org> User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Dec 12, 2003 at 10:31:28PM +0000, Jamie Lokier wrote: > Grover, Andrew wrote: > > I'd advocate lower HZ. Say, oh I dunno...100? This is better for power > > management and also should make the sound go away. > > Alas, the sound my Toshiba laptop makes when the CPU is busy is the > same frequency whatever kernel, and by extension whatever the timer > frequency. I guess it must have another cause :/ > > -- Jamie If it's when the CPU is busy, then it's the CPU's DC/DC converter. There is no way to get rid of the noise without mnodifying the notebook. -- Vojtech Pavlik SuSE Labs, SuSE CR