asus-xtion: "Warning: USB events thread - failed to set priority"

[RaulFdzbis]

Running asus xtion in bionic ubuntu (18.04) gives the following output:

~/repos/vision/share/sensors/conf (develop u=)$ yarpdev --from asus-xtion.ini
[INFO]RGBDSensorWrapper: using default 'period' parameter of  0.03 s 
[INFO]RGBDSensorWrapper: ROS configuration parameters are not set, skipping ROS topic initialization. 
yarp: Port /xtion/rpc:i active at tcp://163.117.150.58:10002/
yarp: Port /xtion/rgbImage:o active at tcp://163.117.150.58:10003/
yarp: Port /xtion/depthImage:o active at tcp://163.117.150.58:10004/
[DEBUG]opening IRGBDSensor subdevice
Warning: USB events thread - failed to set priority. This might cause loss of data...
[INFO]DepthCameraDriver:Depth successfully registered on rgb sensor 
[INFO]depthCamera: trying to set rgb mirroring parameter for the 1 time/s 
[INFO]depthCamera: rgb mirroring parameter set successfully 
[INFO]depthCamera: trying to set depth mirroring parameter for the 1 time/s 
[INFO]depthCamera: depth mirroring parameter set successfully 
[INFO]created device <depthCamera>. See C++ class yarp::dev::depthCameraDriver for documentation.
[INFO]created wrapper <RGBDSensorWrapper>. See C++ class yarp::dev::RGBDSensorWrapper for documentation.
yarp: Port /xtion/quit active at tcp://163.117.150.58:10005/
[INFO]device active in background...

The following Warning :

Warning: USB events thread - failed to set priority. This might cause loss of data...

Can be fixed running yarpdev with root following this solution. Given following output.

~/repos/vision/share/sensors/conf (develop u=)$ sudo yarpdev --from asus-xtion.ini
[INFO]RGBDSensorWrapper: using default 'period' parameter of  0.03 s 
[INFO]RGBDSensorWrapper: ROS configuration parameters are not set, skipping ROS topic initialization. 
yarp: Port /xtion/rpc:i active at tcp://163.117.150.58:10002/
yarp: Port /xtion/rgbImage:o active at tcp://163.117.150.58:10003/
yarp: Port /xtion/depthImage:o active at tcp://163.117.150.58:10004/
[DEBUG]opening IRGBDSensor subdevice
[INFO]DepthCameraDriver:Depth successfully registered on rgb sensor 
[INFO]depthCamera: trying to set rgb mirroring parameter for the 1 time/s 
[INFO]depthCamera: rgb mirroring parameter set successfully 
[INFO]depthCamera: trying to set depth mirroring parameter for the 1 time/s 
[INFO]depthCamera: depth mirroring parameter set successfully 
[INFO]created device <depthCamera>. See C++ class yarp::dev::depthCameraDriver for documentation.
[INFO]created wrapper <RGBDSensorWrapper>. See C++ class yarp::dev::RGBDSensorWrapper for documentation.
yarp: Port /xtion/quit active at tcp://163.117.150.58:10005/
[INFO]device active in background...

[jgvictores]

Wouldn't it be better to set udev rules as in roboticslab-uc3m/amor-configuration-files#2 ?