ORA-7445 [parent_orphans] Error Occurs When Starting the Database (Doc ID 397015.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Server - Enterprise Edition - Version: 10.1.0.2 to 10.1.0.5 - Release: 10.1 to 10.1
Information in this document applies to any platform.

Symptoms

1. When attempting to startup the instance on solaris 64bit, the following error occurs:

SQL>startup nomount
ORA-03113: end-of-file on communication channel

The alert log has an ORA-07445: exception encountered: core dump [parent_orphans()+264] [SIGBUS] [Invalid address alignment] [0x0003BDBD5] [] []

2. The call stack for this error in the associated trace file may resemble the following:

ksedmp ssexhd sighndlr call_user_handler 0000000000000049 lgrp_init skgsnisize kcbsnu lrmpsvp lrmpsvp lrmpsvp lrmpsvp lrmpsvp lrmpsvp lrmpsvp lrmpsvp lrmpsvp lrmpsvp lrmpsvp lrmpsvp lrmsmv kspptsp kpoparsp

Changes

The value of DISABLE_NUMA may have been recently changed, or set incorrectly.

Cause

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