Re: [BUG 2579] linux 2.6.* sound problems

From: Lee Revell
Date: Wed Nov 23 2005 - 14:46:16 EST

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.


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