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SQL Using Parallel Execution Plan and Dynamic Sampling Failed with ORA-7445 [KXFXSGETEXTOPN] (Doc ID 1671077.1)

Last updated on JANUARY 19, 2022

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.2 to 12.1]
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.


SQL statement may fail with the below error message:

ORA-07445: exception encountered: core dump [kxfxsGetExtOpn()+787] [ GSEGV] [ADDR:0x8] [PC:0x72CFD33] [Address not mapped to object] []

Error Stack:

skdstdst < ksedst < dbkedDefDump < ksedmp < ssexhd < sslsshandler <
sighandler < kxfxsGetExtOpn < kxfxse < kxfxsGetNextMessage < qerpxSlaveFetch
< qerpxFetch < opiexe < kpoal8 < opiodr < kpoodr < upirtrc < kpurcsc <
kpuexec < OCIStmtExecute < kxfxsStmtExecute < kxfxsExecute < kxfxsp < kxfxmai
< kxfprdp < opirip < opidrv < sou2o < opimai_real < ssthrdmain < main

Tha failing SQL has parallel execution plan, which uses dynamic sampling.




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