ORA-00600: internal error code, arguments: [kcbgtcr_13], [], [],

近来datagaurd备库一个节报了几次如下错误：
    Thu Mar 13 15:30:49 2014
Errors in file /home/app/oracle/diag/rdbms/emsdas/emsdas1/trace/emsdas1_ora_9598.trc  (incident=409435):
ORA-00600: internal error code, arguments: [kcbgtcr_13], [], [], [], [], [], [], [], [], [], [], []
Incident details in: /home/app/oracle/diag/rdbms/emsdas/emsdas1/incident/incdir_409435/emsdas1_ora_9598_i409435.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Thu Mar 13 15:31:12 2014
Dumping diagnostic data in directory=[cdmp_20140313153112], requested by (instance=1, osid=9598), summary=[incident=409435].
Thu Mar 13 15:31:12 2014
Sweep [inc][409435]: completed
Sweep [inc2][409435]: completed
Fri Mar 21 00:00:54 2014
Errors in file /home/app/oracle/diag/rdbms/emsdas/emsdas1/trace/emsdas1_ora_11462.trc  (incident=409419):
ORA-00600: internal error code, arguments: [kcbgtcr_13], [], [], [], [], [], [], [], [], [], [], []
Incident details in: /home/app/oracle/diag/rdbms/emsdas/emsdas1/incident/incdir_409419/emsdas1_ora_11462_i409419.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.

数据库版本，主库和备库都是11.2.0.3，主备均是RAC环境。备库是只读模式， 即active datagaurd。
查看metalink ，发现这是11.2.0.3的一个bug：


Bug 13087721  ORA-600 [kcbgtcr_13] on readable standby RAC system

 需要将数据库升级到11.2.0.3到11.2.0.4.

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