ORA-7445 [kghalp()+48] while Opening the Database

(Doc ID 2128884.1)

Last updated on APRIL 26, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 to 12.1.0.2 [Release 12.1]
Linux x86-64

Symptoms

Database startup fails with error ORA-7445 [kghalp] in the alert log like:

Starting ORACLE instance (normal)
...
Starting up:
Oracle Database 12c Enterprise Edition Release 12.1.0.1.0 - 64bit Production
With the Partitioning, Real Application Clusters, OLAP, Advanced Analytics
and Real Application Testing options.
ORACLE_HOME = /u01/app/oracle/product/12.1.0.1/dbhome_1
System name: Linux
Node name: pheng01dbadm02.homes.corpnet.pulte.com
Release: 2.6.39-400.264.1.el6uek.x86_64
Version: #1 SMP Wed Aug 26 16:42:25 PDT 2015
Machine: x86_64
Storage: Exadata
...
Mon Nov 16 18:09:29 2015
ALTER SYSTEM SET resource_manager_plan= SCOPE=MEMORY;
Mon Nov 16 18:09:29 2015
ALTER SYSTEM SET recyclebin='OFF' DEFERRED SCOPE=MEMORY;
Resource Manager disabled during database migration
Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x5B] [PC:0xB830660, kghalp()+48] [flags: 0x0, count: 1]
Errors in file /u01/app/oracle/diag/rdbms/cdbdr4/cdbdr4/trace/cdbdr4_ora_117924.trc (incident=108281):
ORA-07445: exception encountered: core dump [kghalp()+48] [SIGSEGV] [ADDR:0x5B] [PC:0xB830660] [Address not mapped to object] []
Incident details in: /u01/app/oracle/diag/rdbms/cdbdr4/cdbdr4/incident/incdir_108281/cdbdr4_ora_117924_i108281.trc
...


The trace file shows characteristics like:

----- Current SQL Statement for this session (sql_id=5h75b6g8w23y5) -----
ALTER DATABASE OPEN MIGRATE

----- Call Stack Trace -----

... kghalp kgskigetelt kgskigetsagecdbob kskmsgsage kskplwfin kskopen adbdrv_options adbdrv opiexe opiosq0 kpoal8 opiodr ...

 

Cause

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