Error when running opencv app on BB-xM

Hi all,

I’m doing face recognition by webcam project on BB-xM. My code runs on computer is so well, but when I compile and run on BB-xM, it just runs for a while (about 15s) then has error:

[ 3610.829467] gspca_main: ISOC data error: [22] len=0, status=-18
[ 3610.835998] gspca_main: ISOC data error: [23] len=0, status=-18
[ 3610.842498] gspca_main: ISOC data error: [0] len=0, status=-18
[ 3610.848724] gspca_main: ISOC data error: [1] len=0, status=-18
[ 3610.854919] gspca_main: ISOC data error: [2] len=0, status=-18
[ 3610.861114] gspca_main: ISOC data error: [3] len=0, status=-18
[ 3610.867340] gspca_main: ISOC data error: [4] len=0, status=-18
[ 3610.873535] gspca_main: ISOC data error: [5] len=0, status=-18
[ 3610.879730] gspca_main: ISOC data error: [6] len=0, status=-18
[ 3610.885925] gspca_main: ISOC data error: [7] len=0, status=-18
[ 3610.892150] gspca_main: ISOC data error: [8] len=0, status=-18
[ 3610.898345] gspca_main: ISOC data error: [9] len=0, status=-18

I don’t know why is this error came and how to solve it. Would you give me some advice. Thank you.