jack_umidi : Can't send MIDI to audio interface

Hans Petter Selasky hps at selasky.org
Thu May 10 10:23:00 UTC 2018

On 05/10/18 04:49, Marcel Bonnet wrote:
> Hi,
> I'm running 11.1-RELEASE . Audio interface is M-AUDIO Fast Track Pro.
> Everything works good, except that MIDI is not working bi-directional
> Using jack_umidi 1.0.8  I can control virtual synths. But the USB interface
> does not blink the MIDI Output led when I play the jack_keyaboard connected
> to the Fast Track Pro input.
> I tested with jack_midi_dump : it dumps MIDI messages received from Jack
> Keyboard or from my external Keyboard (Roland XP-30), as you can see below.
> What could I do to send MIDI messages to my external interface?

Might also be a permissions issue on /dev/umidiX.Y .


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