[Jackaudio] Querying input ports for 1 input channel card fails (ALSA/USB)

[Kjetil Matheussen]

On Fri, May 8, 2020 at 10:52 AM Kjetil Matheussen
<k.s.matheussen at gmail.com> wrote:
>
> On Thu, May 7, 2020 at 10:13 PM Christopher Arndt <chris at chrisarndt.de> wrote:
> >
> > You should get the output of 'jack_lsp' from the user. Who knows what
> > qjackctl is doing between calling 'jack_get_ports' and the patchbay display.
> >
>
> Thanks, I've requested that on the forum now.
>

We figured it out. Radium didn't check if the physical port was an
audio port, and the user has physical MIDI ports. So the error message
was caused by failing to connect an audio port to a midi port.