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It turned out the solution was to get an openni patch. This resolved the connection error.

It turned out the solution was to get an openni patch. This resolved the connection error.

However, I now have a minor issue with RVIZ.

From the 3d Launch I get:

[ WARN] [1414934636.270421799]: Camera calibration file /home/turtlebot/.ros/camera_info/depth_0000000000000000.yaml not found. 
[ WARN] [1414934636.270594235]: Using default parameters for IR camera calibration.

rostopic echo camera/depth_registered/image_raw produces numbers, and I get a point-cloud visualization.