Cannot install kubuntu 11.04 from livecd

[Jean-Baptiste Lallement]

A1 ISO Testing:
1. Boot the CD
2. Wait for the desktop to come up
3. Click on "Install Kubuntu 11.04"

What happens:
- The cursor change to the 'jumpy' cursor
- A window appear in the bottom panel showing that 'Install Kubuntu 11.04' is launching
- Then it disappear, the cursor returns to normal and ... nothing

In .xsession the following message is displayed:
klauncher(2910)/kio (KLauncher): SlavePool: No communication with slave.

klauncher(2910)/kio (KLauncher): SlavePool: No communication with slave.

klauncher(2910)/kio (KLauncher): SlavePool: No communication with slave.

klauncher(2910)/kio (KLauncher): SlavePool: No communication with slave.

[Jonathan Riddell (jr)]

Please attach the contents of /var/log/installer or better use ubuntu-bug

[Jean-Baptiste Lallement (jibel)]

From the debug log the error is:
Error in sys.excepthook:
Traceback (most recent call last):
  File "/usr/lib/ubiquity/ubiquity/frontend/kde_ui.py", line 369, in excepthook
    dialog = QtGui.QDialog(self.ui)
AttributeError: Wizard instance has no attribute 'ui'

Original exception was:
Traceback (most recent call last):
  File "/usr/lib/ubiquity/bin/ubiquity", line 530, in <module>
    main(oem_config)
  File "/usr/lib/ubiquity/bin/ubiquity", line 515, in main
    install(args[0], query=options.query)
  File "/usr/lib/ubiquity/bin/ubiquity", line 238, in install
    wizard = ui.Wizard(distro)
  File "/usr/lib/ubiquity/ubiquity/frontend/kde_ui.py", line 193, in __init__
    self.ui = UbiquityUI()
  File "/usr/lib/ubiquity/ubiquity/frontend/kde_ui.py", line 62, in __init__
    uic.loadUi(os.path.join(UIDIR, "app.ui"), self)
  File "/usr/lib/pymodules/python2.6/PyQt4/uic/__init__.py", line 185, in loadUi
    return DynamicUILoader().loadUi(uifile, baseinstance)
  File "/usr/lib/pymodules/python2.6/PyQt4/uic/Loader/loader.py", line 14, in __init__
    UIParser.__init__(self, QtCore, QtGui, LoaderCreatorPolicy())
  File "/usr/lib/pymodules/python2.6/PyQt4/uic/uiparser.py", line 91, in __init__
    self.factory = QObjectCreator(creatorPolicy)
  File "/usr/lib/pymodules/python2.6/PyQt4/uic/objcreator.py", line 61, in __init__
    self._cwFilters.append(plugin_locals["getFilter"]())
  File "<string>", line 23, in getFilter
ImportError: /usr/lib/pymodules/python2.6/PyKDE4/kio.so: undefined symbol: _ZN19KFileMetaDataWidget5eventEP6QEvent

This is the same bug than 683250 in apport.

[Jonathan Riddell (jr)]

kdebindings needed updated, should be fixed with 4:4.5.80-0ubuntu1 which is now building