数据库宕机，报错：ORA-00600: internal error code, arguments: [1153],...

ALLSTARS_ORACLE

请大牛分析，谢谢。

今天上午10:30核心生产数据库节点rac2宕机，报错：ORA-00600: internal error code, arguments: [1153], [15], [], [], [], [], [], []
数据库版本：9.2.0.5  双节点rac   rac2 down
系统平台：UNIX AIX 5.2 POWER SYSTEM (64bit)
告警日志如下：

Thu Jul 26 10:32:59 2012
Errors in file /home/oracle/admin/shfwdb/bdump/rac2_smon_21942.trc:
ORA-00600: internal error code, arguments: [1153], [15], [], [], [], [], [], []
Thu Jul 26 10:33:00 2012
Non-fatal internal error happenned while SMON was doing temporary segment drop.
SMON encountered 1 out of maximum 100 non-fatal internal errors.
Thu Jul 26 10:33:00 2012
Errors in file /home/oracle/admin/shfwdb/bdump/rac2_smon_21942.trc:
ORA-00600: internal error code, arguments: [1153], [15], [], [], [], [], [], []
Thu Jul 26 10:33:01 2012
Trace dumping is performing id=[cdmp_20120726103301]
Thu Jul 26 10:33:01 2012
Non-fatal internal error happenned while SMON was doing temporary segment drop.
SMON encountered 2 out of maximum 100 non-fatal internal errors.
Thu Jul 26 10:33:01 2012
Errors in file /home/oracle/admin/shfwdb/bdump/rac2_smon_21942.trc:
ORA-00600: internal error code, arguments: [1153], [15], [], [], [], [], [], []
Non-fatal internal error happenned while SMON was doing temporary segment drop.
SMON encountered 3 out of maximum 100 non-fatal internal errors.
Thu Jul 26 10:33:03 2012
Errors in file /home/oracle/admin/shfwdb/bdump/rac2_smon_21942.trc:
ORA-00600: internal error code, arguments: [1153], [15], [], [], [], [], [], []
Non-fatal internal error happenned while SMON was doing temporary segment drop.
SMON encountered 4 out of maximum 100 non-fatal internal errors.
Thu Jul 26 10:33:04 2012
Errors in file /home/oracle/admin/shfwdb/bdump/rac2_smon_21942.trc:
ORA-00600: internal error code, arguments: [1153], [15], [], [], [], [], [], []
Non-fatal internal error happenned while SMON was doing temporary segment drop.
SMON encountered 5 out of maximum 100 non-fatal internal errors.
Thu Jul 26 10:33:05 2012
Errors in file /home/oracle/admin/shfwdb/bdump/rac2_smon_21942.trc:
ORA-00600: internal error code, arguments: [1153], [15], [], [], [], [], [], []
Non-fatal internal error happenned while SMON was doing temporary segment drop.
SMON encountered 6 out of maximum 100 non-fatal internal errors.
Thu Jul 26 10:33:06 2012
Errors in file /home/oracle/admin/shfwdb/bdump/rac2_smon_21942.trc:
ORA-00600: internal error code, arguments: [1153], [15], [], [], [], [], [], []
Non-fatal internal error happenned while SMON was doing temporary segment drop.
SMON encountered 7 out of maximum 100 non-fatal internal errors.
Thu Jul 26 10:33:07 2012
Errors in file /home/oracle/admin/shfwdb/bdump/rac2_smon_21942.trc:
ORA-00600: internal error code, arguments: [1153], [15], [], [], [], [], [], []
Non-fatal internal error happenned while SMON was doing temporary segment drop.


是什么原因造成的ora-00600[1153],超过100次之后，smon进程终止实例！
谢谢


今天19:19又宕机了，从7月26日以来，已经宕机3次了，oracle support 说只能打patch,除了打patch，还有其他方法吗？