ORA-00600  or ORA-00600 [kghfrf:nxt] While Selecting A VARCHAR2(4000) Column
(Doc ID 2083117.1)
Last updated on APRIL 06, 2020
Applies to:Oracle Database - Standard Edition - Version 126.96.36.199 and later
Oracle Database Backup Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
Running a query that uses bind variable, fails with ORA-00600: internal error code, arguments: , [0x056CAB738] .
Call stack: kghrcdepth <- kghfrempty_ex <- qesmmIPgaFreeCb <- ksudlc <- kssdel
The query fails intermittently, and on some occasions even if no error is returned in the command prompt, the alert log reports errors like:
ORA-00600: internal error code, arguments: [kghfrf:nxt], [0x021B7BAF8], , , , , , , , , , 
Issue reproduces on a database with AL32UTF8 and not on a database with UTF8 characterset. Error occurs even if the lines are returned. Issue spotted in 188.8.131.52 , but reproduces also in 184.108.40.206.
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