ORA-600 [ksktopplmod1] Error and Database Hangs When Using Resource Manager

(Doc ID 728234.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Server - Enterprise Edition - Version: to
This problem can occur on any platform.


ORA-600 [ksktopplmod1] errors reported in the alert log and the database hangs.
The call stack for the ORA-600 [ksktopplmod1] error resembles the following:

... ksktopplmodint kskckptpa ksbabs ...

This is caused by a deadlock between CKPT and LGWR or DBWR processes due to use of Resource Manager plans in the database.


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