EBS数据库不定时崩溃，求助各位大神，谢谢

[gaolei19822004]

alert日志中没有任何显示错误的信息，下面是trace文件GROUP26_mmon_17840.trc中DB崩溃的信息。
*** 2015-10-22 13:15:44.963
Unable to schedule a MMON slave at: Auto Flush Main 1
Slave was not permitted to be scheduled
- A slave for this action is already running.

*** 2015-10-22 13:18:45.088
ktte_monitor_ts: unable to schedule MMON Slave, error 100
Unable to schedule a MMON slave at: Auto Flush Main 1

*** 2015-10-22 13:23:45.281
Slave was not permitted to be scheduled
- A slave for this action is already running.

*** 2015-10-22 13:28:45.452
ktte_monitor_ts: unable to schedule MMON Slave, error 100

*** 2015-10-22 13:31:45.543
Unable to schedule a MMON slave at: Auto Flush Main 1
Slave was not permitted to be scheduled
- A slave for this action is already running.
ktte_monitor_ts: unable to schedule MMON Slave, error 100
暂时不容易打补丁，请教各位大神，谢谢。