ORA-600(kffmXpGet)错误

第一次碰到Exadata上的bug。
数据库环境Exadata V2-2,数据库版本为11.2.0.2,错误信息为:

Wed Apr 25 11:32:35 2012
Errors IN file /u01/app/oracle/diag/rdbms/ods/orcl2/trace/orcl2_ora_9495.trc (incident=304808):
ORA-00600: internal error code, arguments: [kffmXpGet], [145], [69784], [], [], [], [], [], [], [], [], []
ORA-03135: connection lost contact
Incident details IN: /u01/app/oracle/diag/rdbms/orcl/orcl2/incident/incdir_304808/orcl2_ora_9495_i304808.trc
USE ADRCI OR Support Workbench TO package the incident.
See Note 411.1 at My Oracle Support FOR error AND packaging details.
opidcl aborting process UNKNOWN ospid (9495) AS a RESULT OF ORA-600
Wed Apr 25 11:32:36 2012
Dumping diagnostic DATA IN directory=[cdmp_20120425113236], requested BY (instance=2, osid=9495), summary=[incident=304808].
Wed Apr 25 11:32:36 2012
Sweep [inc][304808]: completed
Sweep [inc2][304808]: completed
Wed Apr 25 11:32:39 2012
Errors IN file /u01/app/oracle/diag/rdbms/orcl/orcl2/trace/orcl2_pmon_10797.trc (incident=302224):
ORA-00600: internal error code, arguments: [kffmXpGet], [181], [87276], [], [], [], [], [], [], [], [], []
Incident details IN: /u01/app/oracle/diag/rdbms/orcl/orcl2/incident/incdir_302224/orcl2_pmon_10797_i302224.trc
Dumping diagnostic DATA IN directory=[cdmp_20120425113240], requested BY (instance=2, osid=10797 (PMON)), summary=[incident=302224].
USE ADRCI OR Support Workbench TO package the incident.
See Note 411.1 at My Oracle Support FOR error AND packaging details.
Errors IN file /u01/app/oracle/diag/rdbms/orcl/orcl2/trace/orcl2_pmon_10797.trc:
ORA-00600: internal error code, arguments: [kffmXpGet], [181], [87276], [], [], [], [], [], [], [], [], []
PMON (ospid: 10797): terminating the instance due TO error 472
Wed Apr 25 11:32:41 2012
opiodr aborting process UNKNOWN ospid (11248) AS a RESULT OF ORA-1092
Wed Apr 25 11:32:41 2012
opiodr aborting process UNKNOWN ospid (1967) AS a RESULT OF ORA-1092
Wed Apr 25 11:32:42 2012
ORA-1092 : opitsk aborting process
Wed Apr 25 11:32:43 2012
License high water mark = 573
Instance TERMINATED BY PMON, pid = 10797
USER (ospid: 8755): terminating the instance
Instance TERMINATED BY USER, pid = 8755

由于ORA-600[kffmXpGet]错误的出现,最终出现了ORA-1092的错误,并致使opitsk进程退出,导致数据库实例崩溃。
Oracle在MOS文档Bug 12387467 instance crash by ORA-600 [kffmxpget]中描述了这个问题,确认影响的版本为11.2.0.1、11.2.0.2、11.2.0.3,Oracle在11.2.0.2 的Bundle Patch 16 for Exadata以及11.2.0.3 Bundle Patch 5 for Exadata中fixed了这个问题,Oracle计划在11.2.0.4和12.1中彻底Fixed该问题。
这个错误只会发生在Exadata中,因为导致错误的原因和Smart Scan有关。当会话执行Smart Scan操作时使用了Ctrl + C中止该操作,会导致PMON进程出现这个600错误。Oracle建议在执行数据文件的SHRINK操作前,中止并退出所有执行Exadata Smart Scan的会话。

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