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ORA-00600 [kwqitnmphe: ltbagi] reported by qmon process after upgrade, after stopping and restarting an instance or after removing a subscriber (Doc ID 2030068.1)

Last updated on JULY 23, 2021

Applies to:

Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.


ORA-00600 [kwqitnmphe: ltbagi] is reported with the following stack

kwqitnmphe <- kwqmshise2 <- kwqitnmptme <- kwqmstmgr <- kwqitmmit <- kwqitmmsgs

Alternatively an ORA-00600 [kwqdlProcHstEntry:ltbagi] can be reported. 

Possible triggers for this error arising are as follows:

Database upgrade or the restart of an instance. The database could be a RAC or single instance environment.The issues particularly affect RAC environments and in particular the SYS$SERVICE_METRICS_TAB queue table.

The fix for <Bug 14054676> has been applied to the $ORACLE_HOME.

A subscriber on a queue has been recently dropped.


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