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ORA-00600 [1:Kwqvss], [2] reported by a Queue Monitor Worker Process causing a RAC instance to abort (Doc ID 729535.1)

Last updated on FEBRUARY 01, 2022

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.1]
Oracle Database - Enterprise Edition - Version to [Release 10.2]
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 Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.


The following error is reported in a trace file for one of the Queue Monitor worker processes on one node in a RAC cluster

kswsreasvc : unexpected error from fetch : rpi_rc = 1403

with the additional error

ORA-00600: internal error code, arguments: [1:kwqvss], [2], [APPLSYS.WF_CONTROL]

which has the following stack trace

kwqvss -> kwqvss_cbk -> kwqvqsi -> kwqasown -> kwqvqsi -> ktcccdel

This error can be reported repeatedly causing the instance to crash.




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