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@gmail.com>
> To: linux-audio-user <linux-audio-user@lists.linuxaudio.org>
> Subject: [LAU] JACK, Qjackctl, and ffado
> Message-ID:
>       <CAHEqMkFrwpL7=sdF5CY4kh=kvSbwTk6peNT=MetAj3yjEXjerQ@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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