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ORA-7445 [kglobcl()+487] Followed By Instance Crash (Doc ID 1470588.1)

Last updated on MARCH 01, 2019

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.


  1. The following errors are reported until the PMON process crashes with the same error:
    Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x14] [PC:0x9105B7D, kglobcl()+487]
    ORA-07445: exception encountered: core dump [kglobcl()+487] [SIGSEGV][ADDR:0x14] [PC:0x9105B7D]
  2. Review of the generated tracefiles reveals a call stack similar to:
    ... <- kglobcl <- kglobfr <- kglobf0 <- kglhpd <- kghfrx <- kghfrunp <- kghfnd <- kghalo <- kghgex <- kghalf <- kksLoadChild <- kxsGetRuntimeLock <- kksfbc <- kkspsc0 <- kksParseCursor <- opiosq0 <- ...




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