Select Timeout error in Ubuntu - Opencv

Question

I am trying to set OpenCv up for my final year project and have run into a couple of problems. I successfully got it set up in Ubuntu following this tutorial.

The problem I am having now is keeping this sample program running. The program is face detection using a webcam.

It runs fine for 3 or 4 seconds and then the capture gets stuck with a single frame in the window. The console displays the following output.

tom@ubuntu:~/College/opencv/faceDetect_sample$ make
./faceDetect --cascade="haarcascade_frontalface_alt.xml" --nested-cascade="haarcascade_eye_tree_eyeglasses.xml"
VIDIOC_QUERYMENU: Invalid argument
VIDIOC_QUERYMENU: Invalid argument
VIDIOC_QUERYMENU: Invalid argument
init done 
opengl support available 
select timeout
select timeout
select timeout
select timeout
select timeout
select timeout
^Cmake: *** [run] Interrupt

If anybody has an idea of where to go from here, I would really appreciate some help !