ORA-07445 [nserrbc()] Error At Database Start Up
(Doc ID 2045538.1)
Last updated on AUGUST 04, 2018
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.4 to 11.2.0.4 [Release 11.2]Information in this document applies to any platform.
Symptoms
Following error is encountered at the time of database start up:
ORA-07445: exception encountered: core dump [nserrbc()+48] [SIGSEGV] [ADDR:0x28] [PC:0x100A29070] [Invalid permissions for mapped object] []
The call stack from the trace file shows functions like:
... nserrbc nserrbd nscall nsgrcOpen nsgrDo nsgrrg_Register kmmlrl ksucln ksbrdp opirip opidrv ...
The problem still exist after restarting clusterware but can apparently be fixed by restarting the operating system.
Cause
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