If you run a graphical Ubuntu desktop system, there is a necessary step to do "dpkg-reconfigure gnome-applets" and suid root enable the CPU selector... for older distributions of Ubuntu. Newer Ubuntu distributions have a keyring managed access to the cpu frequency selection from the cpu frequency applet.

On Mon, Mar 9, 2009 at 2:37 PM, nescivi <nescivi@gmail.com> wrote:

> Wouldn't it make sense, to provide a notify for jack (from the
> hibernate script),
> before the system goes to sleep, so jack could then pause processing
> appropriately?
> Hibernation is becoming very common and a favored feature.

On Friday 06 March 2009 07:05:35 Paul Davis wrote:
> On Fri, Mar 6, 2009 at 4:51 AM, Ray Rashif <schivmeister@gmail.com> wrote:
> > Only for mobile machines. I really cannot do without at least frequency
> > scaling (heat) and sleep (suspend-to-ram; quick access).
>
> sorry, but you just don't do realtime low latency audio on a machine that
> has either of these things happening to it. at least not today.
>
> i agree that a signal to tell JACK to "sleep" when the machine is
> suspended, hibernated or whatever would be a good idea. it probably already
> exists via d-bus and/or other similar mechanisms on non-linux platforms.

Any hints/examples on how to do this?

sincerely,
Marije
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