tried Sensor (both stable/unstable) and OpenNI (unstable) and it
doesn't work:
I get these messages:
297       [INFO]  OpenNI version is 1.1.0 (Build 39)-Linux-x86 (Apr 15
2011 11:22:44)
     489        [VERBOSE]       Checking /usr/lib/libXnVFeatures.so...
    2478        [VERBOSE]       Found exported production node. Scene:
PrimeSense/XnVSceneAnalyzer/
1.3.0.18
    2523        [VERBOSE]       Found exported production node. User:
PrimeSense/XnVSkeletonGenerator/
1.3.0.18
    2547        [VERBOSE]       Checking /usr/lib/
libXnVHandGenerator.so...
    3718        [VERBOSE]       Found exported production node.
Gesture: PrimeSense/XnVGestureGenrator/
1.3.0.18
    3744        [VERBOSE]       Found exported production node. Hands:
PrimeSense/XnVHandTracker/
1.3.0.18
    3760        [VERBOSE]       Checking /usr/lib/
libnimMockNodes.so...
    4510        [VERBOSE]       Found exported production node.
ProductionNode: OpenNI/Mock/
1.1.0.39
    4532        [VERBOSE]       Found exported production node.
Generator: OpenNI/Mock/
1.1.0.39
    4549        [VERBOSE]       Found exported production node.
MapGenerator: OpenNI/Mock/
1.1.0.39
    4566        [VERBOSE]       Found exported production node.
Device: OpenNI/Mock/
1.1.0.39
    4582        [VERBOSE]       Found exported production node. Depth:
OpenNI/Mock/
1.1.0.39
    4602        [VERBOSE]       Found exported production node. IR:
OpenNI/Mock/
1.1.0.39
    4618        [VERBOSE]       Found exported production node. Image:
OpenNI/Mock/
1.1.0.39
    4635        [VERBOSE]       Found exported production node. Audio:
OpenNI/Mock/
1.1.0.39
    4649        [VERBOSE]       Checking /usr/lib/libnimCodecs.so...
    5349        [VERBOSE]       Found exported production node. Codec:
OpenNI/16zP/
1.1.0.39
    5367        [VERBOSE]       Found exported production node. Codec:
OpenNI/16zT/
1.1.0.39
    5383        [VERBOSE]       Found exported production node. Codec:
OpenNI/Im8z/
1.1.0.39
    5398        [VERBOSE]       Found exported production node. Codec:
OpenNI/JPEG/
1.1.0.39
    5413        [VERBOSE]       Found exported production node. Codec:
OpenNI/NONE/
1.1.0.39
    5427        [VERBOSE]       Checking /usr/lib/libnimRecorder.so...
    6105        [VERBOSE]       Found exported production node.
Recorder: OpenNI/Recorder/
1.1.0.39
    6128        [VERBOSE]       Found exported production node.
Player: OpenNI/Player/
1.1.0.39
    6143        [VERBOSE]       Checking /usr/lib/
libXnDeviceSensorV2.so...
   10488        [VERBOSE]       Found exported production node.
Device: PrimeSense/SensorV2/
5.0.1.32
   10521        [VERBOSE]       Found exported production node. Depth:
PrimeSense/SensorV2/
5.0.1.32
   10542        [VERBOSE]       Found exported production node. Image:
PrimeSense/SensorV2/
5.0.1.32
   10560        [VERBOSE]       Found exported production node. IR:
PrimeSense/SensorV2/
5.0.1.32
   10592        [VERBOSE]       Found exported production node. Audio:
PrimeSense/SensorV2/
5.0.1.32
   10608        [VERBOSE]       Checking /usr/lib/
libXnDeviceFile.so...
   11938        [VERBOSE]       Found exported production node.
Player: PrimeSense/File/
5.0.1.32
   12192        [VERBOSE]       Requested to create a node of type
Image...
   12236        [VERBOSE]       Initializing USB...
   12288        [INFO]  USB is initialized.
   15787        [WARNING]       No PS sensor is connected!
Find image generator failed: Input pointer is null!