https://bugs.freedesktop.org/show_bug.cgi?id=49817
--- Comment #3 from Cédric Legrand legrand.cedric.01@gmail.com 2012-06-06 11:49:29 PDT --- I'm sorry, forgot to say that the pointer is the cause of the bug. Directly accessing the Game class with a global variable works perfectly.
//// I'm sorry for my english ////