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ORA-7445: [kkcnrli] During Instance Startup (Doc ID 2028573.1)

Last updated on FEBRUARY 22, 2019

Applies to:

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


The alert log reports next error while the (RAC) database is starting up:

ORA-07445: exception encountered: core dump [kkcnrli()+772] [SIGSEGV] [ADDR:0x0] [PC:0x56A8898] [Address not mapped to object] []

The incident trace file shows function like below in the call stack:

---- Incident Context Dump -----
Address: 0x7ff7c0d09708
Incident ID: 148377
Problem Key: ORA 7445 [kkcnrli()+772]
Error: ORA-7445 [kkcnrli()+772] [SIGSEGV] [ADDR:0x0] [PC:0x56A8898] [Address not mapped to object] [] [] [] [] [] [] []
[00]: dbgexExplicitEndInc [diag_dde]
[01]: dbgeEndDDEInvocationImpl [diag_dde]
[02]: dbgeEndDDEInvocation [diag_dde]
[03]: ssexhd []
[04]: __sighandler []
[05]: kkcnrli [AQ]<-- Signaling
[06]: kponPurgeUnreachLoc [AQ]
[07]: kwqmnslv [AQ_TM]
[08]: ksvrdp [ksv_trace]



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