9208．AIX CPU个数大于，等于64时的报错
环境:
OS: AIX5.3
DB: Oracle9208
在关闭数据库时报如下错误
SQL> shutdown immediate
Database closed.
Database dismounted.
ORA-00600: internal error code, arguments: [504], [0x700000000072740], [160], [7], [shared pool], [4], [0], [0x700000000072470]
大概原因是.在9208上．CPU个数大于，等于64时报错．
SQL> @./script/showparameter
Enter value for name: cpu
old 1: select name, value, issys_modifiable from v$parameter where name like '%&name%'
new 1: select name, value, issys_modifiable from v$parameter where name like '%cpu%'
NAME VALUE ISSYS_MODIFIABL
-------------------- -------------------- ---------------
cpu_count 2 FALSE
parallel_threads_per 2 IMMEDIATE
_cpu
将cpu_count改成小于64或打补丁．
alter system set cpu_count=32 scope=spfile;
或改隐含参数:_kgl_latch_count
alter system set _kgl_latch_count=31 scope=spfile;
都可解决问题.
建议打补丁.
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