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ORA-07445: exception encountered: core dump [kcfis_finalize_cached_sessions_all()+360] [SIGSEGV] (Doc ID 2662222.1)

Last updated on APRIL 24, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 12.2.0.1 to 19.6.0.0.0 [Release 12.2 to 19]
Information in this document applies to any platform.

Symptoms

Following ORA-07445 report in Instance alert log during process clean up

alert_<SID>.log inside <ORACLE_BASE>/diag/rdbms/<DB_NAME>/<SID>/trace:

2019-07-23T20:01:53.666898+03:00
Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x7F1F92D73D58] [PC:0xCEC5048, kcfis_finalize_cached_sessions_all()+360] [flags: 0x0, count: 1]
Errors in file <ORACLE_BASE>/diag/rdbms/<DB_NAME>/<SID>/trace/<SID>_ora_235070.trc (incident=85736):
ORA-07445: exception encountered: core dump [kcfis_finalize_cached_sessions_all()+360] [SIGSEGV] [ADDR:0x7F1F92D73D58] [PC:0xCEC5048] [Address not mapped to object] []
Incident details in: <ORACLE_BASE>/diag/rdbms/<DB_NAME>/<SID>/incident/incdir_85736/<SID>_ora_235070_i85736.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x7F1F92D73DA8] [PC:0xCECBF7A, kcfis_dump_global_context()+42] [flags: 0x0, count: 2]
Errors in file <ORACLE_BASE>/diag/rdbms/<DB_NAME>/<SID>/trace/<SID>_ora_235070.trc (incident=85737):
ORA-07445: exception encountered: core dump [kcfis_dump_global_context()+42] [SIGSEGV] [ADDR:0x7F1F92D73DA8] [PC:0xCECBF7A] [Address not mapped to object] []
ORA-07445: exception encountered: core dump [kcfis_finalize_cached_sessions_all()+360] [SIGSEGV] [ADDR:0x7F1F92D73D58] [PC:0xCEC5048] [Address not mapped to object] []
Incident details in: <ORACLE_BASE>/diag/rdbms/<DB_NAME>/<SID>/incident/incdir_85737/<SID>_ora_235070_i85737.trc

Corresponding Incident trace (<ORACLE_BASE>/diag/rdbms/<DB_NAME>/<SID>/incident/incdir_85736/<SID>_ora_235070_i85736.trc) have following stack :

kcfis_finalize_cach <- ed_sessions_all <- kcfis_sodel <- ed_sessions_all <- kss_del_cb

 

Cause

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In this Document
Symptoms
Cause
Solution


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