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ORA-7445 [qkkNLJ()+128] After Installing PSU 7 (Doc ID 2002682.1)

Last updated on JUNE 06, 2019

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 12.1]
Information in this document applies to any platform.


  1. The following error is raised by one of the background processes:
    ORA-07445: exception encountered: core dump [qkkNLJ()+128] [SIGSEGV] [ADDR:0x210368F9E1FFB095] [PC:0x10AE0B440] [Address not mapped to object] []
  2. Review of the generated tracefiles reveals a call stack similar to:
    ... qkkNLJ kkogjro kkojnp kkocnp kkooqb kkoqbc apakkoqb apaqbdDescendents apaqbdList apaqbdDescendents apaqbdList apaqbdDescendents apaqbdList apaqbd apadrv opitca ...

Changes PSU 7 has been installed, which in this case seems to have introduced the issue.


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