ORA-600(KGHALO4)错误

客户数据库频繁出现这个错误。
详细的错误信息为:

Sat DEC 31 21:26:23 2011
Errors IN file /opt/app/oracle/admin/ynwcdma/bdump/ynwcdma_pmon_5510.trc:
ORA-00600: 内部错误代码, 参数: [KGHALO4], [0xC0000003E80CD060], [], [], [], [], [], []
Error occured while spawning process CJQ0; error = 600
Sat DEC 31 21:26:25 2011
Errors IN file /opt/app/oracle/admin/ynwcdma/bdump/ynwcdma_pmon_5510.trc:
ORA-00600: 内部错误代码, 参数: [KGHALO4], [0xC0000003E80CD060], [], [], [], [], [], []
PMON: terminating instance due TO error 472
Sat DEC 31 21:26:25 2011
Errors IN file /opt/app/oracle/admin/ynwcdma/udump/ynwcdma_ora_28532.trc:
ORA-00600: internal error code, arguments: [KGHALO4], [0xC0000003E80CD060], [], [], [], [], [], []
Sat DEC 31 21:26:30 2011
Instance TERMINATED BY PMON, pid = 5510

数据库后台日志中频繁出现ORA-600(KGHALO4)错误,在CJQ0进程启动时,引发了这个600错误,处理用户进程出现错误外,PMON进程同样产生了这个错误,并导致数据库的崩溃。
查询MOS,怀疑是文档ORA-00600: [Kghalo4] During Normal Database Operation [ID 403127.1]描述的bug,这个问题在10.2.0.2以上版本被修正。而当前的版本就是10201版本,要避免这个错误的出现,可以设置隐含参数:_enable_NUMA_optimization=FALSE,然后重启数据库。
建议客户首先逻辑备份数据库后,设置该隐含参数并重启后,这个600错误不再出现。

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