OK, so just adding the ref to picoktrl.json to mec.service in system breaks the pd remote control patch:
from pd window:
warning: 13 removed from poll list but not found
LISTEN:: listen 6101
connecting to port 6100
SEND:: connect 192.168.1.130 6100
recv: Connection refused (61)
works again if I remove it.
did not move the .ihx file.
-tefman