linux-kernel - Re: [PATCH V3] VIA IRQ quirk behaviour change

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Message-Id: <1158696268.13845.9.camel@mindpipe>
Date:	Tue, 19 Sep 2006 16:04:27 -0400
From:	Lee Revell <rlrevell@...-job.com>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	Greg KH <greg@...ah.com>, Alan Cox <alan@...rguk.ukuu.org.uk>,
	Daniel Drake <dsd@...too.org>, akpm@...l.org,
	torvalds@...l.org, sergio@...giomb.no-ip.org, jeff@...zik.org,
	cw@...f.org, bjorn.helgaas@...com, linux-kernel@...r.kernel.org,
	harmon@....edu, len.brown@...el.com, vsu@...linux.ru,
	liste@...det.net
Subject: Re: [PATCH V3] VIA IRQ quirk behaviour change

On Sun, 2006-09-10 at 21:45 +0100, Matthew Garrett wrote:
> On Sun, Sep 10, 2006 at 02:40:46PM -0400, Lee Revell wrote:
> 
> > Some applications such as realtime audio and probably gaming require
> > ACPI to be disabled, as it causes horrible latency problems.  This
> > applies equally to Linux and Windows.
> 
> How, and on what hardware?

Here's a case where the kernel does not see a user's sound card at all
unless ACPI is disabled (second to last comment):

https://bugtrack.alsa-project.org/alsa-bug/view.php?id=2174

Lee

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