Ora-07445: Exception Encountered: Core Dump [Ptmak()+372] [Sigsegv] OR ORA-07445 [kghalp+0500] [SIGSEGV] [Invalid permissions for mapped object]

(Doc ID 578698.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 10.2]
Oracle Database - Enterprise Edition - Version to [Release 11.2]
Information in this document applies to any platform.
***Checked for relevance on 28-Dec-2015***


Next internal error was encountered after an upgrade:

ORA-07445: exception encountered: core dump [ptmak()+372] [SIGSEGV] [Address not mapped to object] [0x000000010] [] []

The stack traces of the error may vary.

You will likely see this statement in your trace file:

select dummy from dual where ora_dict_obj_type = 'TABLE';



The issue may be triggered by an upgrade or an import but there may be other potential triggers.
The problem has been seen when using the third party tool PL/SQL Developer v7.1.5.1397 with "Debug Preferences->Add Debug on Compiling* set.


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