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ORA-600 [qsmmixSetCkyVir-1] When Using SQL Access Advisor or SQL Tuning Advisor (Doc ID 763331.1)

Last updated on FEBRUARY 03, 2022

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - 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.


When using eg. SQL Access Advisor for index analysis, the following error is raised:

ORA-600: internal error code, arguments: [qsmmixSetCkyVir-1], [], [], [], [],

The failing statement is a SQL tuning task similar to:

ename VARCHAR2(30);
ename := dbms_sqltune.execute_tuning_task(
END; :mydate := next_date; IF broken THEN :b := 1; ELSE :b := 0; END

And the call stack is similar to:

... qsmmixSetCkyVir qsmmixSetKkotbixt qsmmixReturnCandToO qsmmixOptimizerGenIdxCand qsmmixOptimizerSetupIdxCand ...


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