いつも遊んでいるアプリケーションーゲームー数独
すると
バグ報告ツールの窓が開いて
「GNOME 数独 のクラッシュに関連する情報の収集が完了しました。アプリケーションがクラッシュした時に何をしていたか等のさらに詳細な情報を追加して下さい。
（一部省略）
可能であれば、英語でバグ報告を記述して下さい。」
とでます。
詳細を見ると
Distribution: Ubuntu 8.04 (hardy)
Gnome Release: 2.22.3 2008-07-09 (Ubuntu)
BugBuddy Version: 2.22.0

System: Linux 2.6.24-19-generic #1 SMP Fri Jul 11 21:01:46 UTC 2008 x86_64
X Vendor: The X.Org Foundation
X Vendor Release: 10400090
Selinux: No
Accessibility: Disabled
GTK+ Theme: Human
Icon Theme: Human

Memory status: size: 0 vsize: 0 resident: 0 share: 0 rss: 0 rss_rlim: 0
CPU usage: start_time: 0 rtime: 0 utime: 0 stime: 0 cutime:0 cstime: 0 timeout: 0 it_real_value: 0 frequency: 0

----------- .xsession-errors ---------------------
    if self.select_game():
  File "/var/lib/python-support/python2.5/gnome_sudoku/main.py", line 64, in _
    ret = fun(ui,*args,**kwargs)
  File "/var/lib/python-support/python2.5/gnome_sudoku/main.py", line 214, in select_game
    choice = game_selector.NewOrSavedGameSelector().run_swallowed_dialog(self.swallower)
  File "/var/lib/python-support/python2.5/gnome_sudoku/game_selector.py", line 191, in run_swallowed_dialog
    self.setup_dialog()
  File "/var/lib/python-support/python2.5/gnome_sudoku/game_selector.py", line 76, in setup_dialog
    self.make_saved_game_model()
  File "/var/lib/python-support/python2.5/gnome_sudoku/game_selector.py", line 151, in make_saved_game_model
    sudoku.sudoku_grid_from_string(g['game'].split('\n')[1].replace(' ','')).grid,
  File "/var/lib/python-support/python2.5/gnome_sudoku/sudoku.py", line 232, in sudoku_grid_from_string
    assert(len(s)<=GROUP_SIZE**2)
AssertionError
--------------------------------------------------
Traceback (most recent call last):
  File "/usr/games/gnome-sudoku", line 55, in <module>
    start_game()
  File "/var/lib/python-support/python2.5/gnome_sudoku/gnome_sudoku.py", line 21, in start_game
    main.start_game()
  File "/var/lib/python-support/python2.5/gnome_sudoku/main.py", line 1039, in start_game
    u = UI()
  File "/var/lib/python-support/python2.5/gnome_sudoku/main.py", line 200, in __init__
    if self.select_game():

  （一部省略）
    sudoku.sudoku_grid_from_string(g['game'].split('\n')[1].replace(' ','')).grid,
  File "/var/lib/python-support/python2.5/gnome_sudoku/sudoku.py", line 232, in sudoku_grid_from_string
    assert(len(s)<=GROUP_SIZE**2)
AssertionError

となります。　Compiz Fusion を導入してからのような気がします。皆さん数独遊べてます？