Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932360AbVJaTic (ORCPT ); Mon, 31 Oct 2005 14:38:32 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932398AbVJaTic (ORCPT ); Mon, 31 Oct 2005 14:38:32 -0500 Received: from nproxy.gmail.com ([64.233.182.203]:64896 "EHLO nproxy.gmail.com") by vger.kernel.org with ESMTP id S932360AbVJaTib (ORCPT ); Mon, 31 Oct 2005 14:38:31 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:organization:user-agent:x-accept-language:mime-version:to:subject:references:in-reply-to:x-enigmail-version:content-type:content-transfer-encoding; b=p7O7UYcN7toIpOoZ+gMhJz35p2amltFLjkExIyCbFLwjb8BpirIjhhdwi67b8io85x9obQd8AoKiSg/aH75XDZsDQZyDyx1FOyTA1hBNh1ZyYGoGligtB3QDWHduOOYNV1JDruAnibFbOFcyNV4uzDlM2gaID72mBKWSaguc2Ng= Message-ID: <436672AB.5050604@gmail.com> Date: Mon, 31 Oct 2005 20:38:19 +0100 From: Patrizio Bassi Reply-To: patrizio.bassi@gmail.com Organization: patrizio.bassi@gmail.com User-Agent: Mozilla Thunderbird 1.0.7 (X11/20051027) X-Accept-Language: it, it-it, en-us, en MIME-Version: 1.0 To: Lee Revell , "Kernel, " Subject: Re: [BUG 2579] linux 2.6.* sound problems References: <53JVy-4yi-19@gated-at.bofh.it> <53Lus-73L-39@gated-at.bofh.it> In-Reply-To: <53Lus-73L-39@gated-at.bofh.it> X-Enigmail-Version: 0.93.0.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1343 Lines: 38 Lee Revell ha scritto: > On Mon, 2005-10-31 at 16:30 +0100, Patrizio Bassi wrote: > >>starting from 2.6.0 (2 years ago) i have the following bug. >> >>link: http://bugzilla.kernel.org/show_bug.cgi?id=2579 >>and https://bugtrack.alsa-project.org/alsa-bug/view.php?id=230 >> >>fast summary: >>when playing audio and using a bit the harddisk (i.e. md5sum of a 200mb >>file) >>i hear noises, related to disk activity. more hd is used, more chicks >>and ZZZZ noises happen. >> >>linux 2.4.x and windows has no problems, perfect. >>tried module/standalone alsa drivers. > > > Your problem is a "singing capacitor", caused by cheap motherboard > components. The problem appeared in 2.6.0 because that's when the timer > frequency changed from 100HZ to 1000HZ. > > Starting with 2.6.14 you can work around this by compiling with HZ set > to 250 or 100. But it's fundamentally a hardware problem. > > Lee I have an Asus P2B-F, it should be a value board and not a cheap one. i have 250hz and it still happens. i'll check with 100, even if i see it's suggested for server and not desktop (my usage) - 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/