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DB Instances keep crash with ORA-00600 [6585] (Doc ID 2088433.1)

Last updated on SEPTEMBER 28, 2021

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

DB Instances crashing with the below error messages.
Errors in file /u01/app/oracle/diag/rdbms/dbname/Instance1/trace/Instance1_smon_30745.trc (incident=237764):
ORA-00600: internal error code, arguments: [6585], [3], [], [], [], [], [], [], [], [], [], []
Incident details in: /u01/app/oracle/diag/rdbms/dbname/Instance1/incident/incdir_237764/Instance1_smon_30745_i237764.trc
.

.

.
PMON (ospid: 29474): terminating the instance due to error 474

Changes

There was a massive DML operation (delete ) on HCC QUERY HIGH table.

ORA-600 [6585] can occur during Transaction Recovery (ROLLBACK) or Consistent Read (CR) on an HCC compressed table.

 

Cause

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