linux-kernel - Re: [Alsa-user] Pb with simultaneous SATA and ALSA I/O

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Date:	Thu, 05 Oct 2006 22:52:13 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Lee Revell <rlrevell@...-job.com>
Cc:	Dominique Dumont <domi.dumont@...e.fr>,
	Francesco Peeters <Francesco@...Peeters.com>,
	alsa-user <alsa-user@...ts.sourceforge.net>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [Alsa-user] Pb with simultaneous SATA and ALSA I/O

Ar Iau, 2006-10-05 am 16:45 -0400, ysgrifennodd Lee Revell:
> I've heard that some motherboards do evil stuff like implementing legacy drive
> access modes using SMM which would cause dropouts without xruns
> reported.

They don't. SATA causes audio dropouts on some systems because its fast
enough to starve the audio device of regular enough access to the PCI
bus. If that is a problem the audio device should be tuning PCI
latencies

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