Comment 4 for bug 55753

The last bit ov the log in the crash box looks like this. Perhaps the Go Back button just dusnt werk (wich wood be a separat bug from the problems with handling mi disk configuration).
Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/ubiquity/frontend/gtkui.py", line 1169, in watch_debconf_fd_helper
    return callback(source, debconf_condition)
  File "/usr/lib/python2.4/site-packages/ubiquity/filteredcommand.py", line 144, in process_input
    if not self.process_line():
  File "/usr/lib/python2.4/site-packages/ubiquity/filteredcommand.py", line 82, in process_line
    return self.dbfilter.process_line()
  File "/usr/lib/python2.4/site-packages/ubiquity/debconffilter.py", line 297, in process_line
    progress_inc):
  File "/usr/lib/python2.4/site-packages/ubiquity/filteredcommand.py", line 320, in progress_step
    ret = self.frontend.debconf_progress_step(progress_inc)
  File "/usr/lib/python2.4/site-packages/ubiquity/frontend/gtkui.py", line 1208, in debconf_progress_step
    fraction = self.progress_position.fraction()
  File "/usr/lib/python2.4/site-packages/ubiquity/progressposition.py", line 66, in fraction
    fraction = ((self.inner_position - self.positions[0][0]) /
IndexError: list index out of range