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ORA-07445 [kgldon] in DataGuard Environment (Doc ID 2256539.1)

Last updated on FEBRUARY 14, 2019

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.2 to 12.1]
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 Backup Service - Version N/A and later
Information in this document applies to any platform.


In a DataGuard environment, with automatic statistics gathering enabled on the Primary database, the following error is periodically reported:

ORA-7445: [kgldon()+862] [SIGSEGV] [ADDR:0x0] [C:0x985CB5C] [Address not mapped to object] []

The error appears on the Physical Standby databases. When the automatic statistics gathering is disabled, this error disappear.

The call stack trace looks similar to:

... kgldon  pl_don ptg_nd  phd_get_defn pdz2M6x_Name_Definition pdw2F04_Find_SP_Name pdw2F09_Translate_DP_Call pdw2F00_Translate_DS_Stm pdw1F02_Translate_D_Block pdw1F22_Translate_Anon_Block pdw1F20_Translate_D_Comp_U pdw1F01_Translate_Root pdw0F82_Run_Code_Gen ...



Error error can be seen on, and database versions in a Oracle Data Guard environment. 


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