Subject: Re: [LAU] Ardour 2.1 Mixer Levelmeters acting very slow with acpi=off

From: Susanne Schneider <susemuse27@...> · Date: Wednesday, November 21, 2007 - 7:08 am

will try this later today and let you know

-------- Original-Nachricht --------

quoted text> Datum: Tue, 20 Nov 2007 18:52:58 +0100

> Von: Thomas Kuther

> An: linux-audio-user@lists.linuxaudio.org

> Betreff: Re: [LAU] Ardour 2.1 Mixer Levelmeters acting very slow with acpi=off
> On Di, 20.11.07 14:42 "Susanne Schneider"  wrote:

quoted text>

> > hi everybody,

> > as an experiment on this item I compiled a kernel with modified

> > config: I removed acpi completely and additionally deactivated the

> > option "enable tickless..." (or so..). Then I booted the kernel with

> > standard options. Result: Ardour behaves as it should, everything

> > works just fine, system audio performance at it's best! Obviously

> > there is a diffenrence between booting an acpi-enabled kernel with

> > option "acpi=off" and a kernel built without acpi capabilities. Maybe

> > somebody has an explanation - I don't... thanks for attention anyway

> > Su

>

> Interesting!

> So my guess with cpufreq and clocksource was wrong.

> It's dyntics vs. acpi=off

>

> What if you disable dyntics, and boot with acpi enabled?
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