ORA-07445: core-dump [drumcma()+46]
(Doc ID 2013159.1)
Last updated on JANUARY 10, 2020
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata 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
Information in this document applies to any platform.
On 22.214.171.124 the following error appears in the alert log
ORA-07445: core-dump [drumcma()+46] [SIGSEGV] [ADDR:0x0] [PC:0x52F228E] [Address not mapped to object] 
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