The service level plus additional APARs as listed in SAP Note 81737 are highly recommended to use.
For example, at one customer OA47907 (S0C4 IN IGG0CLFA +DA8 ATTEMPTING TO MOVE WITH A NEGATIVE LENGTH) led to broken pages in DB2.
Currently required DB2 service levels:
- for DB2 10 for z/OS: service level 1511
- for DB2 11 for z/OS: service level 1510