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 98, in run
    raise XStartupError, "X server exited with return code " + str(status)
XStartupError: X server exited with return code 1