Error reading from SCI port. No data. Turtlebot disconnects when set Full Mode
Hi, there,
I have recently upgraded to Fuerte on Ubuntu 12.04. I tried to build SLAM map by following http://www.ros.org/wiki/turtlebot_navigation/Tutorials/Build%20a%20map%20with%20SLAM tutorial, but after I execute roslaunch turtlebot_navigation gmapping_demo.launch
I receive error - "Failed to contact device with error: [Error reading from SCI port. No data.]. Please check that the Create is powered on and that the connector is plugged into the Create."
turtlebot@turtlebot-1215N:~$ sudo service turtlebot start
turtlebot start/running, process 4564
turtlebot@turtlebot-1215N:~$ roslaunch turtlebot_navigation gmapping_demo.launch
... logging to /home/turtlebot/.ros/log/0c768eee-c921-11e1-8666-485d60f51088/roslaunch-turtlebot-1215N-5175.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://192.168.1.6:41858/
SUMMARY
========
PARAMETERS
* /kinect_laser/max_height
* /kinect_laser/min_height
* /kinect_laser/output_frame_id
* /kinect_laser_narrow/max_height
* /kinect_laser_narrow/min_height
* /kinect_laser_narrow/output_frame_id
* /move_base/TrajectoryPlannerROS/acc_lim_th
* /move_base/TrajectoryPlannerROS/acc_lim_x
* /move_base/TrajectoryPlannerROS/acc_lim_y
* /move_base/TrajectoryPlannerROS/dwa
* /move_base/TrajectoryPlannerROS/goal_distance_bias
* /move_base/TrajectoryPlannerROS/heading_lookahead
* /move_base/TrajectoryPlannerROS/holonomic_robot
* /move_base/TrajectoryPlannerROS/max_rotational_vel
* /move_base/TrajectoryPlannerROS/max_vel_x
* /move_base/TrajectoryPlannerROS/min_in_place_rotational_vel
* /move_base/TrajectoryPlannerROS/min_vel_x
* /move_base/TrajectoryPlannerROS/oscillation_reset_dist
* /move_base/TrajectoryPlannerROS/path_distance_bias
* /move_base/TrajectoryPlannerROS/sim_time
* /move_base/TrajectoryPlannerROS/vtheta_samples
* /move_base/TrajectoryPlannerROS/vx_samples
* /move_base/TrajectoryPlannerROS/xy_goal_tolerance
* /move_base/TrajectoryPlannerROS/yaw_goal_tolerance
* /move_base/controller_frequency
* /move_base/global_costmap/footprint
* /move_base/global_costmap/footprint_padding
* /move_base/global_costmap/global_frame
* /move_base/global_costmap/inflation_radius
* /move_base/global_costmap/observation_sources
* /move_base/global_costmap/obstacle_range
* /move_base/global_costmap/publish_frequency
* /move_base/global_costmap/raytrace_range
* /move_base/global_costmap/robot_base_frame
* /move_base/global_costmap/scan/clearing
* /move_base/global_costmap/scan/data_type
* /move_base/global_costmap/scan/marking
* /move_base/global_costmap/scan/topic
* /move_base/global_costmap/static_map
* /move_base/global_costmap/transform_tolerance
* /move_base/global_costmap/update_frequency
* /move_base/local_costmap/footprint
* /move_base/local_costmap/footprint_padding
* /move_base/local_costmap/global_frame
* /move_base/local_costmap/height
* /move_base/local_costmap/inflation_radius
* /move_base/local_costmap/observation_sources
* /move_base/local_costmap/obstacle_range
* /move_base/local_costmap/publish_frequency
* /move_base/local_costmap/raytrace_range
* /move_base/local_costmap/resolution
* /move_base/local_costmap/robot_base_frame
* /move_base/local_costmap/rolling_window
* /move_base/local_costmap/scan/clearing
* /move_base/local_costmap/scan/data_type
* /move_base/local_costmap/scan/marking
* /move_base/local_costmap/scan/topic
* /move_base/local_costmap/static_map
* /move_base/local_costmap/transform_tolerance
* /move_base/local_costmap/update_frequency
* /move_base/local_costmap/width
* /openni_launch/debayering
* /openni_launch/depth_frame_id
* /openni_launch/depth_mode
* /openni_launch/depth_registration
* /openni_launch/depth_time_offset
* /openni_launch/image_mode
* /openni_launch/image_time_offset
* /openni_launch/rgb_frame_id
* /pointcloud_throttle/max_rate
* /rosdistro
* /rosversion
* /slam_gmapping/angularUpdate
* /slam_gmapping/astep
* /slam_gmapping/delta
* /slam_gmapping/iterations
* /slam_gmapping/kernelSize
* /slam_gmapping/lasamplerange
* /slam_gmapping/lasamplestep
* /slam_gmapping/linearUpdate
* /slam_gmapping/llsamplerange
* /slam_gmapping/llsamplestep
* /slam_gmapping/lsigma
* /slam_gmapping/lskip
* /slam_gmapping/lstep
* /slam_gmapping/map_update_interval
* /slam_gmapping/maxUrange
* /slam_gmapping/odom_frame
* /slam_gmapping/ogain
* /slam_gmapping/particles
* /slam_gmapping/resampleThreshold
* /slam_gmapping/sigma
* /slam_gmapping/srr
* /slam_gmapping/srt
* /slam_gmapping/str
* /slam_gmapping/stt
* /slam_gmapping/temporalUpdate
* /slam_gmapping/xmax
* /slam_gmapping/xmin
* /slam_gmapping/ymax
* /slam_gmapping/ymin
NODES
/
kinect_breaker_enabler (turtlebot_node/kinect_breaker_enabler.py)
kinect_laser (nodelet/nodelet)
kinect_laser_narrow (nodelet/nodelet)
move_base (move_base/move_base)
openni_launch (nodelet/nodelet)
openni_manager (nodelet/nodelet)
pointcloud_throttle (nodelet/nodelet)
slam_gmapping (gmapping/slam_gmapping)
ROS_MASTER_URI=http://192.168.1.6:11311
core service [/rosout] found
Exception AttributeError: AttributeError("'_DummyThread' object has no attribute '_Thread__block'",) in <module 'threading' from '/usr/lib/python2.7/threading.pyc'> ignored
process[kinect_breaker_enabler-1]: started with pid [5204]
Exception AttributeError: AttributeError("'_DummyThread' object has no attribute '_Thread__block'",) in <module 'threading' from '/usr/lib/python2.7/threading.pyc'> ignored
process[openni_manager-2]: started with pid [5205]
Exception AttributeError: AttributeError("'_DummyThread' object has no attribute '_Thread__block'",) in <module 'threading' from '/usr/lib ...