kinect connect problem... No matching device found....

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I installed the openni_launch package in hydro version and plugged in the Kinect. I did as what is said on the wiki (link text). However, when I input the roslaunch openni_launch openni.launch, I got the following problems. We have tried many times. Does anyone know what the problem is? Could you please kindly help us. Thank you!

[ INFO] [1458615947.941740063]: Number devices connected: 1
[ INFO] [1458615947.941947313]: 1. device on bus 003:13 is a SensorKinect (2ae) from PrimeSense (45e) with serial id 'A00362A01776150A'
[ INFO] [1458615947.942802259]: Searching for device with index = 1
[ INFO] [1458615947.946537349]: No matching device found.... waiting for devices. Reason: openni_wrapper::OpenNIDevice::OpenNIDevice(xn::Context&, const xn::NodeInfo&, const xn::NodeInfo&, const xn::NodeInfo&, const xn::NodeInfo&) @ /tmp/buildd/ros-hydro-openni-camera-1.9.2-0precise-20150515-0510/src/openni_device.cpp @ 61 : creating depth generator failed. Reason: Xiron OS failed to wait on event!