As noted in a prior report, many PS3s were having issues with the updated firmware. A patch has been announced that is to be released later this week.
Read the complete story at incgamers.

UPDATE: The patch is supposed to address these issues:

- The high rate of crashing on firmware 3.3.

- The issue where redeeming codes was no longer showing the free download items.

- Adds the trophies for the upcoming Darkspawn Chronicles DLC