My Oracle Support Banner

ORA-07445 [nserrbc()] Error At Database Start Up (Doc ID 2045538.1)

Last updated on FEBRUARY 20, 2019

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.


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.




To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.