Dunno, after the last update to just goes into a boot loop, journalctl -u jack2.service
shows:
Jan 22 00:03:01 zynthian jackd[2538]: jackdmp 1.9.10
Jan 22 00:03:01 zynthian jackd[2538]: Copyright 2001-2005 Paul Davis and others.
Jan 22 00:03:01 zynthian jackd[2538]: Copyright 2004-2014 Grame.
Jan 22 00:03:01 zynthian jackd[2538]: jackdmp comes with ABSOLUTELY NO WARRANTY
Jan 22 00:03:01 zynthian jackd[2538]: This is free software, and you are welcome to redistribute it
Jan 22 00:03:01 zynthian jackd[2538]: under certain conditions; see the file COPYING for details
Jan 22 00:03:01 zynthian jackd[2538]: JACK server starting in realtime mode with priority 70
Jan 22 00:03:01 zynthian jackd[2538]: self-connect-mode is "Don't restrict self connect requests"
Jan 22 00:03:02 zynthian jackd[2538]: audio_reservation_init
Jan 22 00:03:02 zynthian jackd[2538]: dbus_bus_request_name() failed. (1)
Jan 22 00:03:02 zynthian jackd[2538]: Failed to acquire device name : Audio1 error : Connection ":1.67" is not allowed to own the service "org.freedesktop
Jan 22 00:03:02 zynthian jackd[2538]: Audio device hw:CODEC cannot be acquired...
Jan 22 00:03:02 zynthian jackd[2538]: Cannot initialize driver
Jan 22 00:03:02 zynthian jackd[2538]: JackServer::Open failed with -1
Jan 22 00:03:02 zynthian jackd[2538]: Failed to open server
Jan 22 00:03:02 zynthian systemd[1]: jack2.service: main process exited, code=exited, status=255/n/a
Jan 22 00:03:02 zynthian systemd[1]: Unit jack2.service entered failed state.
looks like something to do with jackdbus?