I guess your AWR Repository is corrupted. You can recreate your AWR repository, the detail steps are in "How to Recreate The AWR ( AUTOMATIC WORKLOAD ) Repository ? (Doc ID 782974.1)". Best Regards Hua Cui (dbsnake) Mobile: +86-13910122046 Oracle Recovery Last Chance: http://www.oracleodu.com --- 11年7月8日,周五, K R <kp0773@xxxxxxxxx> 写道: 发件人: K R <kp0773@xxxxxxxxx> 主题: ORA-00600: internal error code, arguments: [kewrose_1] 收件人: Oracle-L@xxxxxxxxxxxxx 日期: 2011年7月8日,周五,下午9:49 All, Oracle RDBMS 11.2.0.2 on solaris 10 everytime I try running I hit this error . did a metalink search no luck . SQL> exec dbms_workload_repository.create_snapshot; BEGIN dbms_workload_repository.create_snapshot; END; * ERROR at line 1: ORA-00600: internal error code, arguments: [kewrose_1], [600], [ORA-00600: internal error code, arguments: [ktspgfb-1], [], [], [], [], [], [], [], [], [], [], [] ], [], [], [], [], [], [], [], [], [] ORA-06512: at "SYS.DBMS_WORKLOAD_REPOSITORY", line 99 ORA-06512: at "SYS.DBMS_WORKLOAD_REPOSITORY", line 122 ORA-06512: at line 1 thanks in advance Kart