Instance termination due to ORA-07445 [ktstdt()+864] and ORA-07445 [ktstrcu()+2757] (Doc ID 2080772.1)

Last updated on FEBRUARY 08, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 and later
Information in this document applies to any platform.

Symptoms

The alert log reports an error like:

ORA-07445: exception encountered: core dump [ktstdt()+864] [SIGSEGV] [ADDR:0x2B523163A040] [PC:0xFE8BD4] [Invalid permissions for mapped object] []


Note that above error may be followed by another ORA-7445, e.g.:

ORA-07445: exception encountered: core dump [ktstrcu()+2757] [SIGSEGV] [ADDR:0x2B523163A040] [PC:0x5A28111] [Address not mapped to object] []


The trace file contains no current SQL:

----- SQL Statement (None) -----
Current SQL information unavailable - no cursor.


The call stack from the trace file includes functions like:

... ktstdt kssdel kssdch ksuxds ksudel kkjsexe kkjrdp opirip opidrv ...

 

Cause

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