Date: Wed, 02 Nov 2005 12:20:32 +0100
Message-ID: <s5hy84770u7.wl%tiwai@suse.de>
From: Takashi Iwai <tiwai@suse.de>
To: Tomasz Torcz <zdzichu@irc.pl>
Cc: Patrizio Bassi <patrizio.bassi@gmail.com>, linux-kernel@vger.kernel.org
Subject: Re: [BUG 2579] linux 2.6.* sound problems
In-Reply-To: <20051031221003.GA26784@irc.pl>
References: <436638A8.3000604@gmail.com>
	<20051031221003.GA26784@irc.pl>
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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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