Another Harry Potter Deathly Hallows part 2:

Ean: 5051888085073
Player: BDP 5180
FW: 1.54

Disc 1, movie: The video stutters (a lot of times just before changing of camera or scene) Sound OK
Dics 2: The bonus disk. error: unknown disc

Disc not tested in other players since I've got only 1 blu ray player...