stereo camera error

edit

I have a problem. For a stereo camera in ROS-indigo Run it comes out as follows

> what reason "what():  unable to start
> capture"??

and

> [uvc_camera_stereo-1] process has died
> [pid 4236, exit code -6, cmd
> /home/odroid/RnD_Workspace/catkin_ws/devel/lib/uvc_camera/uvc_stereo_node
> __name:=uvc_camera_stereo __log:=/home/odroid/.ros/log/0c4ae3be-135c-11e6-8551-7cdd90624615/uvc_camera_stereo-1.log].
> log file:
> /home/odroid/.ros/log/0c4ae3be-135c-11e6-8551-7cdd90624615/uvc_camera_stereo-1*.log

in terminal

odroid@odroid:~/RnD_Workspace/image_transport_ws/src/StereoColorTracking$ roslaunch uvc_camera stereo_node.launch ... logging to /home/odroid/.ros/log/0c4ae3be-135c-11e6-8551-7cdd90624615/roslaunch-odroid-4218.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://127.0.0.1:37417/

SUMMARY
========

PARAMETERS  * /rosdistro: indigo  * /rosversion: 1.11.16  * /uvc_camera_stereo/auto_focus: False 
* /uvc_camera_stereo/focus_absolute: 0  * /uvc_camera_stereo/fps: 30  * /uvc_camera_stereo/frame: wide_stereo 
* /uvc_camera_stereo/height: 240  * /uvc_camera_stereo/left/camera_info_url: file:///home/odro...  * /uvc_camera_stereo/left/device: /dev/video0  * /uvc_camera_stereo/right/camera_info_url: file:///home/odro...  * /uvc_camera_stereo/right/device: /dev/video1  * /uvc_camera_stereo/width: 320

NODES   /
    uvc_camera_stereo (uvc_camera/uvc_stereo_node)

ROS_MASTER_URI=http://127.0.0.1:11311

core service [/rosout] found process[uvc_camera_stereo-1]: started with pid [4236] terminate called after throwing an instance of 'std::runtime_error'   what():  unable to start capture [uvc_camera_stereo-1] process has died [pid 4236, exit code
-6, cmd /home/odroid/RnD_Workspace/catkin_ws/devel/lib/uvc_camera/uvc_stereo_node
__name:=uvc_camera_stereo __log:=/home/odroid/.ros/log/0c4ae3be-135c-11e6-8551-7cdd90624615/uvc_camera_stereo-1.log]. log file: /home/odroid/.ros/log/0c4ae3be-135c-11e6-8551-7cdd90624615/uvc_camera_stereo-1*.log all processes on machine have died, roslaunch will exit shutting down processing monitor... ... shutting down processing monitor complete done

how can i run to stereo camera????? (I use odroid-u3 and odroid-camera)

help me please