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ORA-07445: exception encountered: core dump [kkdlGenKqldco()+1066] [SIGSEGV] [ADDR:0x8] [PC:0x21BFAEA] [Address not mapped to object] [] (Doc ID 2536346.1)

Last updated on MAY 19, 2022

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 12.1]
Information in this document applies to any platform.


Trying to create a table for partition exchange, using event 14529 to avoid ora-14097 due to columns with default values in the source table.

This fails with ora-7445 [kkdlGenKqldco()+1066]

alter session set events '14529 trace name context forever, level 512';
CREATE TABLE <exchange_table> AS SELECT * FROM <part_table> WHERE 1=0;

The session is terminated, and alert.log reports:

ORA-07445 [kkdlGenKqldco()+1066] [SIGSEGV] [ADDR:0x8] [PC:0x21BFAEA] [Address not mapped to object]


This occurs on, but not on 12.2


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