Alert Log file errors in 11.2.0.1 DB.Fatal NI connect error 12537 and 12547.

Hi,

I have found below messages in one of our 11.2.0.1 Oracle development DB alert log file.

1)

  Fatal NI connect error 12537, connecting to:

  (LOCAL=NO)

  VERSION INFORMATION:

TNS for Linux: Version 11.2.0.1.0 - Production

Oracle Bequeath NT Protocol Adapter for Linux: Version 11.2.0.1.0 - Production

TCP/IP NT Protocol Adapter for Linux: Version 11.2.0.1.0 - Production

  Time: 09-DEC-2013 20:27:35

  Tracing not turned on.

  Tns error struct:

    ns main err code: 12537

    

TNS-12537: TNS:connection closed

    ns secondary err code: 12560

    nt main err code: 0

    nt secondary err code: 0

    nt OS err code: 0

opiodr aborting process unknown ospid (12547) as a result of ORA-609

Mon Dec 09 20:27:35 2013

2) 

Fatal NI connect error 12547, connecting to:

 (LOCAL=NO)

  VERSION INFORMATION:

TNS for Linux: Version 11.2.0.1.0 - Production

Oracle Bequeath NT Protocol Adapter for Linux: Version 11.2.0.1.0 - Production

TCP/IP NT Protocol Adapter for Linux: Version 11.2.0.1.0 - Production

  Time: 09-OCT-2013 23:05:36

  Tracing not turned on.

  Tns error struct:

    ns main err code: 12547

    

TNS-12547: TNS:lost contact

    ns secondary err code: 12560

    nt main err code: 0

    nt secondary err code: 0

    nt OS err code: 0

opiodr aborting process unknown ospid (10574) as a result of ORA-609

Wed Oct 09 23:05:56 2013

Clearing Resource Manager plan via parameter

Thu Oct 10 03:03:13 2013

3) 

Fatal NI connect error 12170.

  VERSION INFORMATION:

TNS for Linux: Version 11.2.0.1.0 - Production

Oracle Bequeath NT Protocol Adapter for Linux: Version 11.2.0.1.0 - Production

TCP/IP NT Protocol Adapter for Linux: Version 11.2.0.1.0 - Production

  Time: 10-OCT-2013 03:03:13

  Tracing not turned on.

  Tns error struct:

    ns main err code: 12535

    

TNS-12535: TNS:operation timed out

    ns secondary err code: 12560

    nt main err code: 505

    

TNS-00505: Operation timed out

    nt secondary err code: 110

    nt OS err code: 0

  Client address: (ADDRESS=(PROTOCOL=tcp)(HOST=172.16.12.161)(PORT=55325))

Thu Oct 10 05:49:45 2013

4) Errors in file /u01/app/diag/rdbms/epm/epm/trace/epm_j000_15056.trc  (incident=31383):

ORA-00600: internal error code, arguments: [17059], [0x0B98A25A0], [0x0B98A2E38], [0x0C24173C8], [], [], [], [], [], [], [], []

Incident details in: /u01/app/diag/rdbms/epm/epm/incident/incdir_31383/epm_j000_15056_i31383.trc

Thu Jan 02 21:34:12 2014

Errors in file /u01/app/diag/rdbms/epm/epm/trace/epm_j000_15056.trc  (incident=31384):

ORA-00600: internal error code, arguments: [], [], [], [], [], [], [], [], [], [], [], []

ORA-00600: internal error code, arguments: [17059], [0x0B98A25A0], [0x0B98A2E38], [0x0C24173C8], [], [], [], [], [], [], [], []

Incident details in: /u01/app/diag/rdbms/epm/epm/incident/incdir_31384/epm_j000_15056_i31384.trc

Thu Jan 02 21:34:12 2014

Trace dumping is performing id=[cdmp_20140102213412]

Pfile and Startup Process :

 Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production

With the Partitioning, OLAP, Data Mining and Real Application Testing options.

Using parameter settings in server-side spfile /u01/app/oracle/product/11.2.0/dbhome_1/dbs/spfileidm.ora

System parameters with non-default values:

  processes                = 500

  sessions                 = 772

  memory_target            = 2400M

  control_files            = "/u01/app/oracle/oradata/idm/control01.ctl"

  control_files            = "/u01/app/oracle/oradata/idm/control02.ctl"

  db_block_size            = 8192

  compatible               = "11.2.0.0.0"

  undo_tablespace          = "UNDOTBS1"

  remote_login_passwordfile= "EXCLUSIVE"

  db_domain                = "bias.com"

  dispatchers              = "(PROTOCOL=TCP) (SERVICE=idmXDB)"

  audit_file_dest          = "/u01/app/oracle/admin/idm/adump"

  audit_trail              = "DB"

  db_name                  = "idm"

  open_cursors             = 800

  diagnostic_dest          = "/u01/app/oracle"

• Thu Oct 17 21:42:11 2013 PMON started with pid=2, OS id=2818 
• Thu Oct 17 21:42:11 2013 VKTM started with pid=3, OS id=2820 at elevated priority
• Thu Oct 17 21:42:11 2013 GEN0 started with pid=4, OS id=2824 
• VKTM running at (10)millisec precision with DBRM quantum (100)ms
• Thu Oct 17 21:42:11 2013 DIAG started with pid=5, OS id=2826 
• Thu Oct 17 21:42:11 2013 DBRM started with pid=6, OS id=2828 
• Thu Oct 17 21:42:11 2013 PSP0 started with pid=7, OS id=2830 
• Thu Oct 17 21:42:11 2013 DIA0 started with pid=8, OS id=2832 
• Thu Oct 17 21:42:11 2013 MMAN started with pid=9, OS id=2834 
• Thu Oct 17 21:42:11 2013 DBW0 started with pid=10, OS id=2836 
• Thu Oct 17 21:42:11 2013 LGWR started with pid=11, OS id=2838 
• Thu Oct 17 21:42:11 2013 CKPT started with pid=12, OS id=2840 
• Thu Oct 17 21:42:11 2013 SMON started with pid=13, OS id=2842 
• Thu Oct 17 21:42:11 2013 RECO started with pid=14, OS id=2844 
• Thu Oct 17 21:42:11 2013 MMON started with pid=15, OS id=2846 

starting up 1 dispatcher(s) for network address '(ADDRESS=(PARTIAL=YES)(PROTOCOL=TCP))'...

Thu Oct 17 21:42:11 2013

MMNL started with pid=16, OS id=2848 

starting up 1 shared server(s) ...

ORACLE_BASE not set in environment. It is recommended

that ORACLE_BASE be set in the environment

Reusing ORACLE_BASE from an earlier startup = /u01/app/oracle

Thu Oct 17 21:42:12 2013

ALTER DATABASE   MOUNT

Successful mount of redo thread 1, with mount id 961017972

Database mounted in Exclusive Mode

Lost write protection disabled

Completed: ALTER DATABASE   MOUNT

Thu Oct 17 21:42:16 2013

ALTER DATABASE OPEN

Beginning crash recovery of 1 threads

Started redo scan

Completed redo scan

Alert Log Errors :