Game: Megaman the Power Battle 2 (USA)
What caused the crash: I was playing Megaman The Power Battle 2, chose the Roll route and was playing with 2 players (megaman and bass) and as soon as you get to the first Wily boss (giant yellow blob man) it crashes, so I snapped a picture of the debug dump:

I'm sure it would be helpful if others did the same if they encounter problems. Thanks for all the effort!