ORA-00600 [rwoirw: check ret val] After 188.8.131.52 Upgrade
(Doc ID 1910573.1)
Last updated on FEBRUARY 03, 2019
Applies to:Oracle Database - Enterprise Edition - Version 184.108.40.206 and later
Information in this document applies to any platform.
The following error is received after an upgrade to 220.127.116.11:
ORA-00600: internal error code, arguments: [rwoirw: check ret val], , , , , , , , , , , 
You find some or all of the following function codes in the 'Call Stack' portion of the incident trace file:
qertqostart qerpxslavefetch qerpxfetch opiexe kpoal8 opiodr
Upgrade to 18.104.22.168.
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