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LSNRCTL Start Fails and Yields Errors in the Listener Log Error - NET-3877 [11] [si_signo=11] and Alert Log Error - ORA 7445 [nttaddr2bnd] (Doc ID 2492281.1)

Last updated on JUNE 05, 2019

Applies to:

Oracle Net Services - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

Listener start fails :


LSNRCTL> start
Starting /u01/app/oracle/product/12.1.0.2/db_1/bin/tnslsnr: please wait...

TNS-12537: TNS:connection closed
TNS-12560: TNS:protocol adapter error
TNS-00507: Connection closed
Linux Error: 29: Illegal seek

 

Listener.log : 

Tue Jan 08 11:54:31 2019
System parameter file is /u01/app/oracle/product/12.1.0.2/db_1/network/admin/listener.ora
Log messages written to /u01/app/oracle/diag/tnslsnr/<hostname>/listener/alert/log.xml
Trace information written to /u01/app/oracle/diag/tnslsnr/<hostname>/listener/trace/ora_3964_140197996824064.trc
Trace level is currently 0

Started with pid=3964
Errors in file /u01/app/oracle/diag/tnslsnr/<hostname>/listener/trace/ora_3964_140197996824064.trc  (incident=137):
NET-3877 [11] [[si_signo=11] [si_errno=0] [si_code=1] [si_int=0] [si_ptr=(nil)] [si_addr=(nil)]] [] [] [] [] [] [] [] [] [] []
Incident details in: /u01/app/oracle/diag/tnslsnr/<hostname>/listener/incident/incdir_137/ora_3964_140197996824064_i137.trc

Alert log : 

2019-01-08 12:59:20.209000 +05:30
Sweep [inc][26769]: completed
2019-01-08 13:00:20.278000 +05:30
found dead dispatcher 'D000', pid = (7, 90)
Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x0] [PC:0x5127EB1, nttaddr2bnd()+1745] [flags: 0x0, count: 1]
Errors in file /u01/app/oracle/diag/rdbms/xxxx/xxxx/trace/db_d000_5797.trc  (incident=26770) (PDBNAME=CDB$ROOT):
ORA-07445: exception encountered: core dump [nttaddr2bnd()+1745] [SIGSEGV] [ADDR:0x0] [PC:0x5127EB1] [Address not mapped to object] []
Use ADRCI or Support Workbench to package the incident.

Trace file : 

Trace file /u01/app/oracle/diag/rdbms/xxxx/xxxx/trace/xxxxxxxxx_4285.trc
Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production
With the Partitioning, OLAP, Advanced Analytics and Real Application Testing options
ORACLE_HOME = /u01/app/oracle/product/12.1.0.2/db_1
System name: Linux
Node name: localhost
Release: 3.10.0-514.el7.x86_64
Version: #1 SMP Wed Oct 19 11:24:13 EDT 2016
Machine: x86_64
Instance name: xxxxxxx1
Redo thread mounted by this instance: 1
Oracle process number: 7
Unix process pid: 4285, image: oracle@localhost (D000)

*** 2019-01-08 12:04:40.462
*** CLIENT ID:() 2019-01-08 12:04:40.462
*** SERVICE NAME:() 2019-01-08 12:04:40.462
*** MODULE NAME:() 2019-01-08 12:04:40.462
*** CLIENT DRIVER:() 2019-01-08 12:04:40.462
*** ACTION NAME:() 2019-01-08 12:04:40.462

Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x0] [PC:0x5127EB1, nttaddr2bnd()+1745] [flags: 0x0, count: 1]
DDE: Problem Key 'ORA 7445 [nttaddr2bnd]' was flood controlled (0x6) (incident: 26725)
ORA-07445: exception encountered: core dump [nttaddr2bnd()+1745] [SIGSEGV] [ADDR:0x0] [PC:0x5127EB1] [Address not mapped to object] []
Dumping swap information
Memory (Avail / Total) = 8588.60M / 15886.77M
Swap (Avail / Total) = 8064.00M /  8064.00M
ssexhd: crashing the process...
Shadow_Core_Dump = PARTIAL
ksdbgcra: writing core file to directory '/u01/app/oracle/diag/rdbms/xxxx/xxxx/cdump'

 

Changes

 OS level changes or OS upgrade/patching may have been done recently.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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