Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932249AbVKWTqa (ORCPT ); Wed, 23 Nov 2005 14:46:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932252AbVKWTq3 (ORCPT ); Wed, 23 Nov 2005 14:46:29 -0500 Received: from mustang.oldcity.dca.net ([216.158.38.3]:47830 "HELO mustang.oldcity.dca.net") by vger.kernel.org with SMTP id S932249AbVKWTq3 (ORCPT ); Wed, 23 Nov 2005 14:46:29 -0500 Subject: Re: [BUG 2579] linux 2.6.* sound problems From: Lee Revell To: Ard van Breemen Cc: Patrizio Bassi , linux-kernel@vger.kernel.org In-Reply-To: <20051123162216.GG1700@kwaak.net> References: <53L1x-6dC-13@gated-at.bofh.it> <53LkE-6QU-5@gated-at.bofh.it> <53LkW-6QU-49@gated-at.bofh.it> <53LEq-7gr-7@gated-at.bofh.it> <43667406.9070104@gmail.com> <4366A49F.3000101@rainbow-software.org> <43673B6F.5030909@gmail.com> <20051123162216.GG1700@kwaak.net> Content-Type: text/plain Date: Wed, 23 Nov 2005 14:46:18 -0500 Message-Id: <1132775178.10453.14.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.4.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1314 Lines: 30 On Wed, 2005-11-23 at 17:22 +0100, Ard van Breemen wrote: > On Tue, Nov 01, 2005 at 10:54:55AM +0100, Patrizio Bassi wrote: > > i played a bit with bios, but no luck. > > considering that in my windows copy i have no problems, i'm sure it's > > linux 2.6 > > > > update: can't use linux 2.4, i have nptl only and acpi problems too. > > i'll play with timers and latency > One more suggestion: > try running distributed-net or something else that uses 100% cpu. > I also have "bad sound" from on-board audio (hp nx9110 notebook > and some elcheap asus motherboard). Usually it is a bad or cheap > motherboard design. > If using your CPU 100% fixes or mostly diminishes your audio > distortion, you can be 100% sure that the audio part has a very > bad design (no separate voltage controllers or good power supply > filters, and no separate power supply circuit, and of course a > good deal of crosstalk between analog lines and "digital" lines). > Please try to isolate whether the PCI latency timer change OR the change from HZ=250 to HZ=100 fixed the problem. Lee - 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/