~/px4/Firmware/Tools/jMAVSim $ java -Djava.ext.dirs= -cp lib/*:out/production/jmavsim.jar me.drton.jmavsim.Simulator -serial /dev/ttyACM0 921600 -qgc
Options parsed, starting Sim.
Starting GUI...
3D [dev] 1.6.0-pre12-daily-experimental daily

libEGL warning: DRI2: failed to authenticate
Init MAVLink
MSG: [lpe] baro init 488 m std 0 cm
MSG: [lpe] z resume 
MSG: GPS fix regained
MSG: [lpe] xy resume 
MSG: ARMED by RC
MSG: [blackbox] /fs/microsd/log/2016-10-20
MSG: [blackbox] recording: 08_07_07.px4log
MSG: MANUAL CONTROL LOST (at t=84852ms)
MSG: failsafe mode on
MSG: RTL: return at -16 m (-16 m above home)
MSG: MANUAL CONTROL REGAINED after 1707ms
MSG: failsafe mode off
MSG: [lpe] gps fault   0   0   6   0   0  25
MSG: Landing detected