Traceback (most recent call last):
  File "/usr/bin/ubiquity-dm", line 271, in <module>
    ret = dm.run(*sys.argv[4:])
  File "/usr/bin/ubiquity-dm", line 100, in run
    raise XStartupError, "X server failed to start after 60 seconds"
XStartupError: X server failed to start after 60 seconds