[LAU] JACK, Qjackctl, and ffado

[Mac]

Just saw the release notice for UbuntuStudio 19.04 and it included the
backports of the updated Ubuntu Studio Controls.

So I figured I'd give it a try.

And...it seems to have no difficulty starting/stopping at will. So,
obviously it knows something I don't (which is no surprise. ;) )

On Thu, Apr 18, 2019 at 9:33 AM Susanne Schneider <suseguitar at mailbox.org>
wrote:

> do a "ps -A" in commandline ... think you need to kill jackdbus, too...
> > Date: Wed, 17 Apr 2019 15:49:18 -0400
> > From: Mac <macdroid53 at gmail.com>
> > To: linux-audio-user <linux-audio-user at lists.linuxaudio.org>
> > Subject: [LAU] JACK, Qjackctl, and ffado
> > Message-ID:
> >       <CAHEqMkFrwpL7=sdF5CY4kh=kvSbwTk6peNT=
> MetAj3yjEXjerQ at mail.gmail.com>
> > Content-Type: text/plain; charset="utf-8"
> >
> > Hi,
> >
> > I have a system running UbuntuStudio 18.04 and I use ffado with jack for
> my
> > firewire AF12.
> >
> > When I boot the system and start things up with Qjackctl all is good.
> > (Qjackctl runs a script that starts Calf plugins, zita-lrx, some meters,
> > and connects up a variety of things the the ins/outs that ffado presents.
> > Most notably the output of zita-lrx forming a tri-amp system. The input
> to
> > zita-lrx coming from the Calf plugins. )
> >
> > All works fine, as long as I have no occasion to hit the stop button in
> > Qjackctl. It runs another script that shuts down Calf, zita-lrx, and
> meters.
> >
> > But, if I attempt to start things again, it says it can't start.
> >
> > If I kill the ffado-dbus-server, then start ffado mixer (this apparently
> > starts the ffado-dbus-server), then open Qjackctl again it's already
> > running. At this point, if I run the script mentioned above, all is good
> > again.
> >
> > Does this imply that I'm not shutting down correctly and leaving ffado in
> > some zombie state?
> >
> > Is there a proper shutdown that won't cause this?
> >
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