RMAN Allocate SBT Channel Fails with ORA-7445:[ri_cmp_id] (Doc ID 2104187.1)

Last updated on AUGUST 31, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

RMAN allocate channel fails with,

RMAN> run {
2> allocate channel t1 type 'SBT_TAPE' PARMS 'ENV=(NSR_SERVER=t3d01b,NSR_CLIENT=narsprod2b)';
3> release channel t1;
4> }

PSDRPC returns significant error 3113.
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of allocate command on t1 channel at 02/04/2016 13:58:45
ORA-03113: end-of-file on communication channel

----------alert log "alert_NARS.log" ----------

Sat Jan 23 05:33:31 2016
Exception [type: SIGSEGV, Invalid permissions for mapped object] [ADDR:0x600000000] [PC:0x10F6035A0, ri_cmp_id()+4] [flags: 0x0, count: 1]
Errors in file /db/software/oracle/diag/rdbms/nars/NARS/trace/NARS_ora_18754.trc (incident=224449):
ORA-07445: exception encountered: core dump [ri_cmp_id()+4] [SIGSEGV] [ADDR:0x600000000] [PC:0x10F6035A0] [Invalid permissions for mapped object] []
Incident details in: /db/software/oracle/diag/rdbms/nars/NARS/incident/incdir_224449/NARS_ora_18754_i224449.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Sat Jan 23 05:33:45 2016

-----trace 'NARS_ora_10935_i289376.trc'-----------

client details:
O/S info: user: oracle, term: pts/4, ospid: 10487
machine: narsprod2 program: rman@narsprod2 (TNS V1-V3)
client info: rman channel=c1 <----RMAN channel

Current Wait Stack:
0: waiting for 'Backup: MML extended initialization'<----Waiting and waited for MML
=0x0, =0x0, =0x0
wait_id=93 seq_num=94 snap_id=1
wait times: snap=4.584082 sec, exc=4.584082 sec, total=4.584082 sec
.
.
0: waited for 'Backup: MML initialization' <-----waited from MML
=0x0, =0x0, =0x0
wait_id=92 seq_num=93 snap_id=1

Cause

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