Traceback (most recent call last):
  File "/usr/share/usb-creator/install.py", line 147, in <module>
    main(source, target, persist)
  File "/usr/share/usb-creator/install.py", line 73, in main
    shutil.copyfileobj(sourcefh, targetfh)
  File "/usr/lib/python2.5/shutil.py", line 26, in copyfileobj
    buf = fsrc.read(length)
IOError: [Errno 5] Input/output error