Interference in /.ros/rootfs

[Ahrovan]

simulation in sitl_gazebo:
roslaunch px4 mavros_posix_sitl.launch
QGC connect to sitl_gazebo vehicle, Everything is ok.
Works correctly, then (close and open new terminal) and try
roslaunch px4 multi_uav_mavros_sitl.launch
QGC connect to sitl_gazebo vehicle's, Everything is ok.
Works correctly, Then (close and open new terminal) try again
roslaunch px4 mavros_posix_sitl.launch
QGC waiting for vehicle connection ...

roslaunch px4 mavros_posix_sitl.launch
... logging to /home/ahrovan/.ros/log/f2110c6a-55af-11e8-a327-000c298cb19f/roslaunch-ahrovan-12181.log
Checking log directory for disk usage. This may take awhile.
Press Ctrl-C to interrupt
Done checking log file disk usage. Usage is <1GB.

started roslaunch server http://ahrovan:41285/

SUMMARY
========

CLEAR PARAMETERS
 * /mavros/

PARAMETERS
 * /mavros/cmd/use_comp_id_system_control: False
 * /mavros/conn/heartbeat_rate: 1.0
 * /mavros/conn/system_time_rate: 1.0
 * /mavros/conn/timeout: 10.0
 * /mavros/conn/timesync_rate: 10.0
 * /mavros/distance_sensor/hrlv_ez4_pub/field_of_view: 0.0
 * /mavros/distance_sensor/hrlv_ez4_pub/frame_id: hrlv_ez4_sonar
 * /mavros/distance_sensor/hrlv_ez4_pub/id: 0
 * /mavros/distance_sensor/hrlv_ez4_pub/orientation: PITCH_270
 * /mavros/distance_sensor/hrlv_ez4_pub/send_tf: True
 * /mavros/distance_sensor/hrlv_ez4_pub/sensor_position/x: 0.0
 * /mavros/distance_sensor/hrlv_ez4_pub/sensor_position/y: 0.0
 * /mavros/distance_sensor/hrlv_ez4_pub/sensor_position/z: -0.1
 * /mavros/distance_sensor/laser_1_sub/id: 3
 * /mavros/distance_sensor/laser_1_sub/orientation: PITCH_270
 * /mavros/distance_sensor/laser_1_sub/subscriber: True
 * /mavros/distance_sensor/lidarlite_pub/field_of_view: 0.0
 * /mavros/distance_sensor/lidarlite_pub/frame_id: lidarlite_laser
 * /mavros/distance_sensor/lidarlite_pub/id: 1
 * /mavros/distance_sensor/lidarlite_pub/orientation: PITCH_270
 * /mavros/distance_sensor/lidarlite_pub/send_tf: True
 * /mavros/distance_sensor/lidarlite_pub/sensor_position/x: 0.0
 * /mavros/distance_sensor/lidarlite_pub/sensor_position/y: 0.0
 * /mavros/distance_sensor/lidarlite_pub/sensor_position/z: -0.1
 * /mavros/distance_sensor/sonar_1_sub/id: 2
 * /mavros/distance_sensor/sonar_1_sub/orientation: PITCH_270
 * /mavros/distance_sensor/sonar_1_sub/subscriber: True
 * /mavros/fake_gps/eph: 2.0
 * /mavros/fake_gps/epv: 2.0
 * /mavros/fake_gps/fix_type: 3
 * /mavros/fake_gps/geo_origin/alt: 408.0
 * /mavros/fake_gps/geo_origin/lat: 47.3667
 * /mavros/fake_gps/geo_origin/lon: 8.55
 * /mavros/fake_gps/gps_rate: 5.0
 * /mavros/fake_gps/mocap_transform: True
 * /mavros/fake_gps/satellites_visible: 5
 * /mavros/fake_gps/tf/child_frame_id: fix
 * /mavros/fake_gps/tf/frame_id: map
 * /mavros/fake_gps/tf/listen: False
 * /mavros/fake_gps/tf/rate_limit: 10.0
 * /mavros/fake_gps/tf/send: False
 * /mavros/fake_gps/use_mocap: True
 * /mavros/fake_gps/use_vision: False
 * /mavros/fcu_protocol: v2.0
 * /mavros/fcu_url: udp://:14540@loca...
 * /mavros/gcs_url: 
 * /mavros/global_position/child_frame_id: base_link
 * /mavros/global_position/frame_id: map
 * /mavros/global_position/rot_covariance: 99999.0
 * /mavros/global_position/tf/child_frame_id: base_link
 * /mavros/global_position/tf/frame_id: map
 * /mavros/global_position/tf/global_frame_id: earth
 * /mavros/global_position/tf/send: False
 * /mavros/global_position/use_relative_alt: True
 * /mavros/image/frame_id: px4flow
 * /mavros/imu/angular_velocity_stdev: 0.000349065850399
 * /mavros/imu/frame_id: base_link
 * /mavros/imu/linear_acceleration_stdev: 0.0003
 * /mavros/imu/magnetic_stdev: 0.0
 * /mavros/imu/orientation_stdev: 1.0
 * /mavros/local_position/frame_id: map
 * /mavros/local_position/tf/child_frame_id: base_link
 * /mavros/local_position/tf/frame_id: map
 * /mavros/local_position/tf/send: False
 * /mavros/local_position/tf/send_fcu: False
 * /mavros/mission/pull_after_gcs: True
 * /mavros/mocap/use_pose: True
 * /mavros/mocap/use_tf: False
 * /mavros/odometry/estimator_type: 3
 * /mavros/odometry/frame_tf/desired_frame: ned
 * /mavros/plugin_blacklist: ['safety_area', '...
 * /mavros/plugin_whitelist: []
 * /mavros/px4flow/frame_id: px4flow
 * /mavros/px4flow/ranger_fov: 0.118682389136
 * /mavros/px4flow/ranger_max_range: 5.0
 * /mavros/px4flow/ranger_min_range: 0.3
 * /mavros/safety_area/p1/x: 1.0
 * /mavros/safety_area/p1/y: 1.0
 * /mavros/safety_area/p1/z: 1.0
 * /mavros/safety_area/p2/x: -1.0
 * /mavros/safety_area/p2/y: -1.0
 * /mavros/safety_area/p2/z: -1.0
 * /mavros/setpoint_accel/send_force: False
 * /mavros/setpoint_attitude/reverse_thrust: False
 * /mavros/setpoint_attitude/tf/child_frame_id: target_attitude
 * /mavros/setpoint_attitude/tf/frame_id: map
 * /mavros/setpoint_attitude/tf/listen: False
 * /mavros/setpoint_attitude/tf/rate_limit: 50.0
 * /mavros/setpoint_attitude/use_quaternion: False
 * /mavros/setpoint_position/mav_frame: LOCAL_NED
 * /mavros/setpoint_position/tf/child_frame_id: target_position
 * /mavros/setpoint_position/tf/frame_id: map
 * /mavros/setpoint_position/tf/listen: False
 * /mavros/setpoint_position/tf/rate_limit: 50.0
 * /mavros/setpoint_velocity/mav_frame: LOCAL_NED
 * /mavros/startup_px4_usb_quirk: True
 * /mavros/sys/disable_diag: False
 * /mavros/sys/min_voltage: 10.0
 * /mavros/target_component_id: 1
 * /mavros/target_system_id: 1
 * /mavros/tdr_radio/low_rssi: 40
 * /mavros/time/time_ref_source: fcu
 * /mavros/time/timesync_avg_alpha: 0.6
 * /mavros/time/timesync_mode: MAVLINK
 * /mavros/vibration/frame_id: base_link
 * /mavros/vision_pose/tf/child_frame_id: vision_estimate
 * /mavros/vision_pose/tf/frame_id: map
 * /mavros/vision_pose/tf/listen: False
 * /mavros/vision_pose/tf/rate_limit: 10.0
 * /mavros/vision_speed/listen_twist: False
 * /rosdistro: kinetic
 * /rosversion: 1.12.13
 * /use_sim_time: True

NODES
  /
    gazebo (gazebo_ros/gzserver)
    gazebo_gui (gazebo_ros/gzclient)
    mavros (mavros/mavros_node)
    sitl (px4/px4)
    vehicle_spawn_ahrovan_12181_3129263265252446471 (gazebo_ros/spawn_model)

auto-starting new master
process[master]: started with pid [12191]
ROS_MASTER_URI=http://localhost:11311

setting /run_id to f2110c6a-55af-11e8-a327-000c298cb19f
process[rosout-1]: started with pid [12204]
started core service [/rosout]
process[sitl-2]: started with pid [12229]
node name: sitl
data path: /home/ahrovan/src/Firmware
commands file: /home/ahrovan/src/Firmware/posix-configs/SITL/init/ekf2/iris
57 WARNING: setRealtimeSched failed (not run as root?)

______  __   __    ___ 
| ___ \ \ \ / /   /   |
| |_/ /  \ V /   / /| |
|  __/   /   \  / /_| |
| |     / /^\ \ \___  |
\_|     \/   \/     |_/

px4 starting.

process[gazebo-3]: started with pid [12237]
process[gazebo_gui-4]: started with pid [12242]
process[vehicle_spawn_ahrovan_12181_3129263265252446471-5]: started with pid [12247]
process[mavros-6]: started with pid [12248]
INFO  [dataman] Unknown restart, data manager file 'rootfs/fs/microsd/dataman' size is 11405132 bytes
INFO  [simulator] Waiting for initial data on UDP port 14574. Please start the flight simulator to proceed..
[ INFO] [1526107480.930085239]: FCU URL: udp://:14540@localhost:14557
[ INFO] [1526107480.931963026]: udp0: Bind address: 0.0.0.0:14540
[ INFO] [1526107480.932117363]: udp0: Remote address: 127.0.0.1:14557
[ INFO] [1526107480.932515358]: GCS bridge disabled
[ INFO] [1526107480.943249496]: Plugin 3dr_radio loaded
[ INFO] [1526107480.946415635]: Plugin 3dr_radio initialized
[ INFO] [1526107480.946582249]: Plugin actuator_control loaded
[ INFO] [1526107480.951669071]: Plugin actuator_control initialized
[ INFO] [1526107480.953945816]: Plugin adsb loaded
[ INFO] [1526107480.959253190]: Plugin adsb initialized
[ INFO] [1526107480.959469326]: Plugin altitude loaded
[ INFO] [1526107480.961399673]: Plugin altitude initialized
[ INFO] [1526107480.961541417]: Plugin cam_imu_sync loaded
[ INFO] [1526107480.962394597]: Plugin cam_imu_sync initialized
[ INFO] [1526107480.962635885]: Plugin command loaded
[ INFO] [1526107480.972912160]: Plugin command initialized
[ INFO] [1526107480.973080297]: Plugin debug_value loaded
[ INFO] [1526107480.980519701]: Plugin debug_value initialized
[ INFO] [1526107480.980583028]: Plugin distance_sensor blacklisted
[ INFO] [1526107480.980846787]: Plugin fake_gps loaded
[ INFO] [1526107481.005027694]: Plugin fake_gps initialized
[ INFO] [1526107481.005281012]: Plugin ftp loaded
[ INFO] [1526107481.016980835]: Plugin ftp initialized
[ INFO] [1526107481.017166492]: Plugin global_position loaded
[ INFO] [1526107481.043312639]: Plugin global_position initialized
[ INFO] [1526107481.043517714]: Plugin hil loaded
[ INFO] [1526107481.067909597]: Plugin hil initialized
[ INFO] [1526107481.068160444]: Plugin home_position loaded
[ INFO] [1526107481.073328197]: Plugin home_position initialized
[ INFO] [1526107481.073488136]: Plugin imu loaded
[ INFO] [1526107481.081993959]: Plugin imu initialized
[ INFO] [1526107481.082171999]: Plugin local_position loaded
[ INFO] [1526107481.089709455]: Plugin local_position initialized
[ INFO] [1526107481.089897499]: Plugin manual_control loaded
[ INFO] [1526107481.094289375]: Plugin manual_control initialized
[ INFO] [1526107481.094452727]: Plugin mocap_pose_estimate loaded
[ INFO] [1526107481.102714622]: Plugin mocap_pose_estimate initialized
[ INFO] [1526107481.102906526]: Plugin obstacle_distance loaded
[ INFO] [1526107481.106460409]: Plugin obstacle_distance initialized
[ INFO] [1526107481.106636000]: Plugin odom loaded
[ INFO] [1526107481.111949507]: Plugin odom initialized
[ INFO] [1526107481.112273686]: Plugin param loaded
[ INFO] [1526107481.116797967]: Plugin param initialized
[ INFO] [1526107481.117083329]: Plugin px4flow loaded
[ INFO] [1526107481.124784897]: Plugin px4flow initialized
[ INFO] [1526107481.124882877]: Plugin rangefinder blacklisted
[ INFO] [1526107481.125227634]: Plugin rc_io loaded
[ INFO] [1526107481.132719734]: Plugin rc_io initialized
[ INFO] [1526107481.132799668]: Plugin safety_area blacklisted
[ INFO] [1526107481.133054539]: Plugin setpoint_accel loaded
[ INFO] [1526107481.138685703]: Plugin setpoint_accel initialized
[ INFO] [1526107481.139006052]: Plugin setpoint_attitude loaded
[ INFO] [1526107481.153734278]: Plugin setpoint_attitude initialized
[ INFO] [1526107481.154088051]: Plugin setpoint_position loaded
[ INFO] [1526107481.175447857]: Finished loading Gazebo ROS API Plugin.
[ INFO] [1526107481.176722339]: waitForService: Service [/gazebo/set_physics_properties] has not been advertised, waiting...
[ INFO] [1526107481.189286046]: Plugin setpoint_position initialized
[ INFO] [1526107481.189519824]: Plugin setpoint_raw loaded
[ INFO] [1526107481.202875184]: Plugin setpoint_raw initialized
[ INFO] [1526107481.203109817]: Plugin setpoint_velocity loaded
[ INFO] [1526107481.211249135]: Plugin setpoint_velocity initialized
[ INFO] [1526107481.211534861]: Plugin sys_status loaded
[ INFO] [1526107481.219863591]: Plugin sys_status initialized
[ INFO] [1526107481.220113056]: Plugin sys_time loaded
[ INFO] [1526107481.224237240]: TM: Timesync mode: MAVLINK
[ INFO] [1526107481.225080615]: Plugin sys_time initialized
[ INFO] [1526107481.225253867]: Plugin vfr_hud loaded
[ INFO] [1526107481.226694497]: Plugin vfr_hud initialized
[ INFO] [1526107481.226743246]: Plugin vibration blacklisted
[ INFO] [1526107481.226871488]: Plugin vision_pose_estimate loaded
[ INFO] [1526107481.243332451]: Plugin vision_pose_estimate initialized
[ INFO] [1526107481.243621976]: Plugin vision_speed_estimate loaded
[ INFO] [1526107481.249078369]: Plugin vision_speed_estimate initialized
[ INFO] [1526107481.249329295]: Plugin waypoint loaded
[ INFO] [1526107481.256266640]: Plugin waypoint initialized
[ INFO] [1526107481.256348985]: Autostarting mavlink via USB on PX4
[ INFO] [1526107481.256596607]: Built-in SIMD instructions: SSE, SSE2
[ INFO] [1526107481.256629384]: Built-in MAVLink package version: 2018.2.2
[ INFO] [1526107481.256677748]: Known MAVLink dialects: common ardupilotmega ASLUAV autoquad matrixpilot paparazzi slugs standard uAvionix ualberta
[ INFO] [1526107481.256697184]: MAVROS started. MY ID 1.240, TARGET ID 1.1
SpawnModel script started
[INFO] [1526107481.461607, 0.000000]: Loading model XML from file
[INFO] [1526107481.461900, 0.000000]: Waiting for service /gazebo/spawn_sdf_model
[ INFO] [1526107481.563165883, 0.022000000]: waitForService: Service [/gazebo/set_physics_properties] is now available.
[ INFO] [1526107481.601273346, 0.056000000]: Physics dynamic reconfigure ready.
[INFO] [1526107481.764731, 0.204000]: Calling service /gazebo/spawn_sdf_model
[INFO] [1526107481.942997, 0.328000]: Spawn status: SpawnModel: Successfully spawned entity
Unhandled exception in thread started by 
sys.excepthook is missing
lost sys.stderr
[ INFO] [1526107482.123325896, 0.328000000]: Camera Plugin: Using the 'robotNamespace' param: '/'
[ INFO] [1526107482.127084937, 0.328000000]: Camera Plugin (ns = /)  <tf_prefix_>, set to ""
[vehicle_spawn_ahrovan_12181_3129263265252446471-5] process has finished cleanly
log file: /home/ahrovan/.ros/log/f2110c6a-55af-11e8-a327-000c298cb19f/vehicle_spawn_ahrovan_12181_3129263265252446471-5*.log

delete folder /.ros/rootfs, and try again
roslaunch px4 mavros_posix_sitl.launch
`
QGC connect to sitl_gazebo vehicle, Everything is ok.

What is the problem and does not each vehicle have a separate parameter folder for itself?

[Ahrovan]

documented: PX4/PX4-Autopilot#9046
Please close this issue