ORA-600 [17128] , ORA-7445 Kghfrh_internal Or ORA-600 [KGHALO4] After Upgrade To

(Doc ID 1471032.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.


You are encountering ORA-600 internal error [17128]

With event 10235 set to level 2, the error becomes ORA-7445 core dump [kghfrh_internal()+411]
sometimes followed by ORA-600 internal error [KGHALO4], [0x...], []

Stack trace is similar to:
... kghfrh_internal kghfrh kksCompileCallNotifier kscdnfy ksudlc kssdel ksupop kksPopCompileCall ...

Current SQL shows multiple views being accessed via in-line views:


or explicit use of ANSI JOIN keywords like LEFT OUTER JOIN


You recently upgraded your database from 10.2 to


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