ORA-07445: exception encountered: core dump [kglobfr()+779] (Doc ID 1405603.1)

Last updated on JUNE 19, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 to 11.2.0.2 [Release 11.2]
Information in this document applies to any platform.
***Checked for relevance on 28-Aug-2013***

Symptoms

Oracle reports an ORA-7445 error and an instance crash in the alert file:

Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x54] [PC:0x90F9649, kglobfr()+779] [flags: 0x0, count: 1]
Errors in file /var/log/oracle/diag/rdbms/posrapp1a/POSRAPP1/trace/POSRAPP1_ora_31004.trc (incident=794213):
ORA-07445: exception encountered: core dump [kglobfr()+779] [SIGSEGV] [ADDR:0x54] [PC:0x90F9649] [Address not mapped to object] []
Incident details in: /var/log/oracle/diag/rdbms/posrapp1a/POSRAPP1/incident/incdir_794213/POSRAPP1_ora_31004_i794213.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Thu Feb 02 18:38:24 2012
Dumping diagnostic data in directory=[cdmp_20120202183824], requested by (instance=1, osid=31004), summary=[incident=794213].
...
Thu Feb 02 18:38:25 2012
Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x54] [PC:0x90F9649, kglobfr()+779] [flags: 0x0, count: 1]
Errors in file /var/log/oracle/diag/rdbms/posrapp1a/POSRAPP1/trace/POSRAPP1_pmon_4346.trc (incident=793845):
ORA-07445: exception encountered: core dump [kglobfr()+779] [SIGSEGV] [ADDR:0x54] [PC:0x90F9649] [Address not mapped to object] []
Incident details in: /var/log/oracle/diag/rdbms/posrapp1a/POSRAPP1/incident/incdir_793845/POSRAPP1_pmon_4346_i793845.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Errors in file /var/log/oracle/diag/rdbms/posrapp1a/POSRAPP1/trace/POSRAPP1_pmon_4346.trc:
ORA-00602: internal programming exception
ORA-07445: exception encountered: core dump [kglobfr()+779] [SIGSEGV] [ADDR:0x54] [PC:0x90F9649] [Address not mapped to object] []
PMON (ospid: 4346): terminating the instance due to error 602
System state dump requested by (instance=1, osid=4346 (PMON)), summary=[abnormal instance termination].
System State dumped to trace file /var/log/oracle/diag/rdbms/posrapp1a/POSRAPP1/trace/POSRAPP1_diag_4356.trc
...
Thu Feb 02 18:38:27 2012
ORA-1092 : opitsk aborting process
Thu Feb 02 18:38:29 2012
ORA-1092 : opitsk aborting process
Dumping diagnostic data in directory=[cdmp_20120202183826], requested by (instance=1, osid=4346 (PMON)), summary=[abnormal instance termination].
Instance terminated by PMON, pid = 4346

 

The call stack in the trace file (signaled from the PMON process during process cleanup) shows the following routines being called:

... kglobfr <- kglobf0 <- kglhdda <- kglhdd <- kghfrunp <- kghfnd <- kghalo <- kghgex <- kghalf <- kksLoadChild <- kxsGetRuntimeLock <- kksfbc ...

Cause

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