ORA-07445 [ktusmst2f] when Gathering Fixed Table Statistics (Doc ID 2224880.1)

Last updated on JANUARY 19, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 to 12.1.0.2 [Release 11.2 to 12.1]
Information in this document applies to any platform.

Symptoms

1. Gathering fixed table stats fails

SQL> BEGIN dbms_stats.gather_fixed_objects_stats; END;
*
ERROR at line 1:
ORA-03113: end-of-file on communication channel

2. The below error is logged in the alert log:

ORA-07445: exception encountered: core dump [ktusmst2f()+316] [SIGSEGV][ADDR:0x6D87F52788] [PC:0x122CDAC] [Address not mapped to object] []

3. The failing function stack is similar to:

ktusmst2f qerfxFetch qerandvFetch qergsFetch opifch2 kpoal8 opiodr kpoodrc rpiswu2 kpoodr upirtrc ...

 

Cause

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