I did a full upgrade before installation
On normal installation I got this error
Traceback (most recent call last):
File "/usr/lib/ubiquity/ubiquity/frontend/kde-ui.py", line 1339, in watch_debconf_fd_helper_read
self.debconf_callbacks[source](source, debconf_condition)
File "/usr/lib/ubiquity/ubiquity/filteredcommand.py", line 169, in process_input
if not self.process_line():
File "/usr/lib/ubiquity/ubiquity/filteredcommand.py", line 103, in process_line
return self.dbfilter.process_line()
File "/usr/lib/ubiquity/ubiquity/debconffilter.py", line 227, in process_line
if not input_widgets[0].run(priority, question):
File "/usr/lib/ubiquity/ubiquity/components/partman_auto.py", line 182, in run
self.resize_desc, self.manual_desc)
File "/usr/lib/ubiquity/ubiquity/frontend/kde-ui.py", line 1544, in set_autopartition_choices
new_size_hbox, 'new_size_label')
TypeError: argument 2 of QLabel() has an invalid type
I have tried again with Ubuntu-Feisty without problems at all.