In libraries/AP_BoardConfig/px4_drivers.cpp, any reason to default to an unrecognized board instead of defaulting to a Pixhawk 1? I have a Pixhawk clone (which seems to be fully functional) that keeps rebooting and sending that MAVLink message as a result…
By the way, this code change (which defaults to Pixhawk 1) allows me to use that clone: https://github.com/craftandtheory/ardupilot/commit/0ac4b3947a2a32d34a9e22318c00408dd9d2064d
This can be closed/removed as I’ve posted an issue on GitHub: https://github.com/ArduPilot/ardupilot/issues/6098