OK, after a wild debugging session the reason for session-bus failing is that DBUS_SESSION_BUS_ADDRESS is not set properly when run direct ssh commands.
this env var can be read on the device from ~/.cache/upstart/dbus-session
OK, after a wild debugging session the reason for session-bus failing is that DBUS_SESSION_ BUS_ADDRESS is not set properly when run direct ssh commands.
this env var can be read on the device from ~/.cache/ upstart/ dbus-session