Black Ops 2 PS3 players were experiencing problems where the game froze and required a re-boot. Treyarch released the 1.03 patch to fix the problem, but it apparently created more problems than it fixed.
Players still reported lock-ups during the loading scree, after selecting multiplayer mode and even in-game.
Activision reported shortly after the patch that “some customers are still experiencing PS3 lock-ups after installing the patch, and we are doing everything we can to get to the bottom of it as quickly as possible.”
Information is being gathered about the freeze-ups and a new patch is being worked on according to Activision’s post on their support page.