From: Lee Revell <rlrevell@joe-job.com>
To: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Greg KH <greg@kroah.com>, Alan Cox <alan@lxorguk.ukuu.org.uk>,
Daniel Drake <dsd@gentoo.org>,
akpm@osdl.org, torvalds@osdl.org, sergio@sergiomb.no-ip.org,
jeff@garzik.org, cw@f00f.org, bjorn.helgaas@hp.com,
linux-kernel@vger.kernel.org, harmon@ksu.edu,
len.brown@intel.com, vsu@altlinux.ru, liste@jordet.net
Subject: Re: [PATCH V3] VIA IRQ quirk behaviour change
Date: Sun, 10 Sep 2006 17:30:18 -0400 [thread overview]
Message-ID: <1157923819.5076.185.camel@mindpipe> (raw)
In-Reply-To: <20060910204516.GA9036@srcf.ucam.org>
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?
Sorry, all I have is anecdotal evidence. The scope of the problem isn't
fully known. Could be related to vendors implementing ACPI using SMM.
Vendors are tight lipped about which hardware is affected because it
understandably annoys users.
It's been a FAQ in Windows pro audio forums for years; digital audio
software vendors recommend disabling ACPI (on Windows this means
reinstalling with the legacy PC HAL) as a last resort if you can't get a
low enough latency on some hardware.
Lee
next prev parent reply other threads:[~2006-09-10 21:29 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-07 22:33 [PATCH V3] VIA IRQ quirk behaviour change Daniel Drake
2006-09-09 14:20 ` Alan Cox
2006-09-09 14:44 ` Daniel Drake
2006-09-09 16:03 ` Alan Cox
2006-09-09 21:34 ` Daniel Drake
2006-09-10 0:31 ` Alan Cox
2006-09-10 0:21 ` Greg KH
2006-09-10 0:39 ` Chris Wedgwood
2006-09-10 4:37 ` Greg KH
2006-09-10 9:48 ` Stian Jordet
2006-09-10 15:48 ` Daniel Drake
2006-09-10 18:40 ` Lee Revell
2006-09-10 20:45 ` Matthew Garrett
2006-09-10 21:30 ` Lee Revell [this message]
2006-09-10 21:34 ` Matthew Garrett
2006-09-19 20:04 ` Lee Revell
2006-09-19 20:12 ` Matthew Garrett
2006-09-19 20:28 ` Lee Revell
2006-09-10 16:01 ` Daniel Drake
2006-09-10 16:39 ` Alan Cox
2006-09-10 16:44 ` Jeff Garzik
2006-09-10 19:06 ` Daniel Drake
2006-09-10 19:41 ` Alan Cox
2006-09-10 19:21 ` Stian Jordet
2006-09-11 15:33 ` Sergio Monteiro Basto
2006-09-11 20:16 ` Stian Jordet
2006-09-11 21:23 ` Sergio Monteiro Basto
2006-09-11 21:38 ` Stian Jordet
2006-09-12 12:37 ` Sergio Monteiro Basto
2006-09-12 21:38 ` Stian Jordet
2006-09-13 0:48 ` Sergio Monteiro Basto
2006-09-11 21:54 ` Daniel Drake
2006-09-12 6:21 ` Stian Jordet
2006-09-11 21:44 ` Daniel Drake
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