Return-path: Received: from ra.tuxdriver.com ([70.61.120.52]:2442 "EHLO ra.tuxdriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750962AbYBRQCM (ORCPT ); Mon, 18 Feb 2008 11:02:12 -0500 Date: Mon, 18 Feb 2008 10:35:11 -0500 From: "John W. Linville" To: Ronald Cc: linux-wireless@vger.kernel.org Subject: Re: [BUG?] b43: Wireless signal lowers when increasing sound Message-ID: <20080218153511.GB3098@tuxdriver.com> (sfid-20080218_160216_159550_571E6187) References: <47B93277.5030304@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <47B93277.5030304@gmail.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Mon, Feb 18, 2008 at 08:23:35AM +0100, Ronald wrote: > hey, > > I'm currently using the b43 driver for my BCM4311 chipset. The driver works > extremely well. It is the only option under Linux that supports WPA-AES > with wpa_supplicant :) (and it's more stable than wpa_supplicant). However, > I'm seeing some unexpected behaviour with the card and another chipset. > When I enable my soundcard (setting volume from 0 to > 0) the wireless > signal seems to drop completely (really funny to see my downloadspeeds go > up and down :) ). My question is, is this normal? > > However, I'm not sure if this is related to the b43 driver so don't flame > me ;) Very strange...my only guess would be EMI generated from your audio chipset and/or the speakers in your laptop. Is it really just the volume setting? I.E. if you "play" the audio but with the volume turned down does everything work fine? Does the performance continue to degrade as you increase the volume? Wierd...I'm not sure what we can do about this... John -- John W. Linville linville@tuxdriver.com