RECO Process Crashes Instance After ORA-2068 ORA-7445 [kksfft()+109] ORA-476 (Doc ID 1447285.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.2 to 10.2.0.2 [Release 10.1 to 10.2]
Information in this document applies to any platform.
***Checked for relevance on 07-Jan-2014***

Symptoms


10.1.0.5.0 Database instance crashed after having written the below messages in the alert log

Sat Mar 31 17:38:35 2012
Errors in file /u01/app/oracle/admin/DB/udump/db1_reco_26542.trc:
ORA-02068: following severe error from DB_LNK
ORA-03113: end-of-file on communication channel
Sat Mar 31 17:38:35 2012
Errors in file /u01/app/oracle/admin/DB/udump/db1_reco_26542.trc:
ORA-07445: exception encountered: core dump [kksfft()+109] [SIGSEGV] [Address not mapped to object] [0x000000176] [] []
Sat Mar 31 17:38:36 2012
Trace dumping is performing id=[cdmp_20120331173836]
Sat Mar 31 17:38:36 2012
Errors in file /u01/app/oracle/admin/DB/bdump/db1_pmon_26512.trc:
ORA-00476: RECO process terminated with error
Sat Mar 31 17:38:36 2012
PMON: terminating instance due to error 476
Sat Mar 31 17:38:37 2012
Shutting down instance (abort)

Cause

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