(software-properties-gtk:18966): IBUS-WARNING **: The owner of /home/chris/.config/ibus/bus is not root!
gpg: /tmp/tmp5iq163/trustdb.gpg: trust-db erzeugt
Neue Veröffentlichungen von Ubuntu werden gesucht
»trusty.tar.gz« wird gegenüber »trusty.tar.gz.gpg« legitimiert
»trusty.tar.gz« wird entpackt
Traceback (most recent call last):
  File "/tmp/ubuntu-release-upgrader-wtx7w3/trusty", line 10, in <module>
    sys.exit(main())
  File "/tmp/ubuntu-release-upgrader-wtx7w3/DistUpgrade/DistUpgradeMain.py", line 243, in main
    if app.run():
  File "/tmp/ubuntu-release-upgrader-wtx7w3/DistUpgrade/DistUpgradeController.py", line 1827, in run
    return self.fullUpgrade()
  File "/tmp/ubuntu-release-upgrader-wtx7w3/DistUpgrade/DistUpgradeController.py", line 1718, in fullUpgrade
    if not self.updateSourcesList():
  File "/tmp/ubuntu-release-upgrader-wtx7w3/DistUpgrade/DistUpgradeController.py", line 808, in updateSourcesList
    self.sources.save()
  File "/tmp/ubuntu-release-upgrader-wtx7w3/DistUpgrade/sourceslist.py", line 416, in save
    files[source.file].write(source.str())
UnicodeEncodeError: 'ascii' codec can't encode character u'\xfc' in position 103