On 9 July 2017 at 22:21, alex <adrcki@gmail.com> wrote:
Indeed that seems like a reason. I'm SSHing into to Odroid with -X so I can launch Pd with its GUI, so I tried to SSH without -X and jack wouldn't start, but then SSHing back with -X made jack start.

Can you post an example of how I should start jack with a startup mechanism that's run by my graphical environment? I'm not really following there...

Having the graphical environment start jackd assumes that there is a graphical environment running on the Odroid, which I don't believe is the case here? Using -X with ssh forwards X11 connection attempts on the Odroid to the X server on your local machine, but since dbus afaik isn't network transparent[1] the DISPLAY you end up with via ssh -X will I think not be useful for the dbus side of jack. So you can probably get away with setting DISPLAY to something arbitrary in your init script, like:

DISPLAY=:0 jackd -dalsa ...

[1] https://news.ycombinator.com/item?id=5130928

-sqweek