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MMON Intermittently Reports an ORA-7445 in keltfill() (Doc ID 369778.1)

Last updated on JUNE 06, 2019

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 10.1 to 10.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
This problem can occur on any platform.


ORA-7445 [keltfill] signalled by MMON shown in alert.log similar to:

Restarting dead background process MMON
MMON started with pid=22, OS id=7112
Thu May 11 19:01:13 2006
Errors in file ... ...mmon_7112.trc:
ORA-07445: exception encountered: core dump [ACCESS_VIOLATION] [_keltfill+75] [PC:0x13075DB] [ADDR:0x0] [UNABLE_TO_READ] []

The call stack trace from the trace file shows:

... keltfill keltpost kelr_issue_alert kelr_monitor_metrics ksbcti ksbabs kebm_mmon_main ksbrdp ...

and the trace file shows a state object:



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