Comment 1 for bug 1071388

The traceback from their main.log file is a bit easier to read:

Traceback (most recent call last):

  File "/tmp/update-manager-tp0AlE/quantal", line 10, in <module>
    sys.exit(main())

  File "/tmp/update-manager-tp0AlE/DistUpgrade/DistUpgradeMain.py", line 240, in main
    if app.run():

  File "/tmp/update-manager-tp0AlE/DistUpgrade/DistUpgradeController.py", line 1764, in run
    return self.fullUpgrade()

  File "/tmp/update-manager-tp0AlE/DistUpgrade/DistUpgradeController.py", line 1616, in fullUpgrade
    if not self.prepare():

  File "/tmp/update-manager-tp0AlE/DistUpgrade/DistUpgradeController.py", line 429, in prepare
    self._sshMagic()

  File "/tmp/update-manager-tp0AlE/DistUpgrade/DistUpgradeController.py", line 299, in _sshMagic
    "Do you want to continue?") % port)

  File "/tmp/update-manager-tp0AlE/DistUpgrade/DistUpgradeViewText.py", line 210, in askYesNoQuestion
    if res.strip().lower().startswith(_("y")):

UnicodeDecodeError: 'ascii' codec can't decode byte 0xd0 in position 0: ordinal not in range(128)