From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugtrack@alsa-project.org Subject: [ALSA - driver 0000737]: Background noise in master when no playing sound on Asus A7N8X Deluxe (nforce 2) Date: Tue, 21 Dec 2004 09:28:41 +0100 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from bugtrack.alsa-project.org (gate.perex.cz [82.113.61.162]) by alsa.alsa-project.org (ALSA's E-mail Delivery System) with ESMTP id BA13E276 for ; Tue, 21 Dec 2004 09:28:41 +0100 (MET) Sender: alsa-devel-admin@lists.sourceforge.net Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org The following issue has been SUBMITTED. ====================================================================== ====================================================================== Reported By: keymon Assigned To: ====================================================================== Project: ALSA - driver Issue ID: 737 Category: PCI - intel8x0 Reproducibility: always Severity: minor Priority: normal Status: new Distribution: Debian Kernel Version: 2.6.6 ====================================================================== Date Submitted: 12-21-2004 09:28 CET Last Modified: 12-21-2004 09:28 CET ====================================================================== Summary: Background noise in master when no playing sound on Asus A7N8X Deluxe (nforce 2) Description: Quoting http://www.nvnews.net/vbulletin/printthread.php?t=35148: Every Asus A7N8X Deluxe Rev 2.0 Board has a problem with a weird "whining" "whirring" or "buzzing" "static" noise coming out of the speakers AND out of the motherboard itself. When speakers are connected and the volume is turned up to normal levels, the noise is very loud, approx 20% of the signal. This noise appear when the card is not playing sound and there is low CPU using. As soon as you play sound, noise stops. If you pause xmms or any player, noise returns. Muting all the channels does not stop the noise, but if you exec: "alsactl power 0 off" &https://bugtrack.alsa-project.org/alsa-bug/view.php?id=161;noise stops!, but you have to exec "alsactl power 0 on" to use the card again. The driver could do the same than "alsactl power 0 off" when it isn't playing sound. If you use the lastest nforce drivers (1.0-0283 or newer) noise stops. ====================================================================== Issue History Date Modified Username Field Change ====================================================================== 12-21-04 09:28 keymon New Issue 12-21-04 09:28 keymon Distribution => Debian 12-21-04 09:28 keymon Kernel Version => 2.6.6 ====================================================================== ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/