From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267343AbUG1Rhu (ORCPT ); Wed, 28 Jul 2004 13:37:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267359AbUG1Rht (ORCPT ); Wed, 28 Jul 2004 13:37:49 -0400 Received: from cantor.suse.de ([195.135.220.2]:56968 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id S267343AbUG1Rh3 (ORCPT ); Wed, 28 Jul 2004 13:37:29 -0400 Date: Wed, 28 Jul 2004 19:36:17 +0200 Message-ID: From: Takashi Iwai To: Dexter Filmore Cc: linux-kernel@vger.kernel.org Subject: Re: whining noise - possible bug in nForce2 support? In-Reply-To: <20040726233651.0cf10aae@shodan.citadel> References: <20040726233651.0cf10aae@shodan.citadel> User-Agent: Wanderlust/2.10.1 (Watching The Wheels) SEMI/1.14.5 (Awara-Onsen) FLIM/1.14.5 (Demachiyanagi) APEL/10.6 MULE XEmacs/21.4 (patch 15) (Security Through Obscurity) (i386-suse-linux) MIME-Version: 1.0 (generated by SEMI 1.14.5 - "Awara-Onsen") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org At Mon, 26 Jul 2004 23:36:51 +0200, Dexter Filmore wrote: > > > Don't know who else to ask about this: > > Just upgraded my mobo to a ECS N2U400-A nForce2 board, standard MCP > southbridge, latest BIOS. > CPU is AMD Athlon XP 1800+, 2x256MB PC266 RAM. > Kernel version is 2.6.7, tested distros are Slackware 10 and Knoppix 3.4. > > Board work alright so far, but as soon as I start a 2.6 kernel, the board will > produce a high pitched whining sound. > This doesn't happen with 2.4 or a wide spread OS from Redmond, only with 2.6. > I tried test kernels without ACPI, APM and such, no success. > > Interesting thing: as long as the hard disk has something to do, the noise > vanishes but returns as soon as the disk idles again. > > This is way beyond me. Anybody got an idea? If you have 'IEC958 Input Monitor' switch on, try to turn it off. Takashi