ORA-00600 [1:Kwqvss],  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 188.8.131.52 to 184.108.40.206 [Release 11.1]
Oracle Database - Enterprise Edition - Version 10.2.0.1 to 10.2.0.4 [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], , [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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