qmn0--error 604 detected in background process！！

realwhs

脚本如下
/home/oracle/admin/wpsdb/bdump/wpsdb_qmn0_61432.trc
Oracle9i Enterprise Edition Release 9.2.0.4.0 - 64bit Production
With the Partitioning option
JServer Release 9.2.0.4.0 - Production
ORACLE_HOME = /home/oracle/product/9.2.0
System name:        AIX
Node name:        wpsdb01
Release:        2
Version:        5
Machine:        0053E8AC4C00
Instance name: wpsdb
Redo thread mounted by this instance: 1
Oracle process number: 9
Unix process pid: 61432, image: oracle@wpsdb01 (QMN0)

*** 2004-07-05 01:00:40.992
*** SESSION ID8.1) 2004-07-05 01:00:40.985
error 604 detected in background process
OPIRIP: Uncaught error 447. Error stack:
ORA-00447: fatal error in background process
ORA-00604: error occurred at recursive SQL level 2
ORA-01089: immediate shutdown in progress - no operations are permitted
因为我又要维护AIX所以，经历不足啊，一个人分析半天头痛没结果，求助大家了。

pearaep

到metalink上查查吧，或录过itar问一下oracle公司的

yikaikai

是在什么情况下出现这个错误的？

使用了AQ吗？
改这个参数看看：

aq_tm_processes=0