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

[Takashi Iwai]

At Mon, 31 Oct 2005 23:10:03 +0100,
Tomasz Torcz wrote:
> 
> [1  <text/plain; us-ascii (quoted-printable)>]
> On Mon, Oct 31, 2005 at 04:30:48PM +0100, Patrizio Bassi wrote:
> > 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.
> 
>  I remeber similar problems with es1370 and OSS/ALSA driver. OSS were
> fine, ALSA produced noise.
>  It turned to be PCI latency timer issues. OSS driver changed it's value
> to working good values. ALSA didn't touch latency timer, and during hard
> disk activity sound stuttered.

Hmm, I don't see any relevant code in OSS es137*.c.

>  Got rid of problem by running setpci -d CARD:ID latency_timer=40

If this helps, the fix would be easy...


Takashi
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