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ORA-7445 in kewa_dump_time_diff() During Shutdown (Doc ID 823324.1)

Last updated on JANUARY 30, 2022

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.6 to 11.1.0.7 [Release 11.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

ORA-07445 error reported during shutdown after upgrade to 11.1.

From the alert.log:

Sun May 03 19:40:56 2009
Errors in file <diag_dest>/diag/rdbms/<sid>/<SID>/trace/<SID>_ora_22765.trc
ORA-07445: exception encountered: core dump [kewa_dump_time_diff()+157] [SIGSEGV] [ADDR:0x4CD0] [PC:0x4AD97D7] [Address not mapped to object] []
Sun May 03 19:40:57 2009
ORA-1092 : opitsk aborting process
Sun May 03 19:53:28 2009
Starting ORACLE instance (normal)

 

The call stack in the trace file is similar to:

... kewa_dump_time_diff kewa_dump_session kslwsmpl_dmp_sess_w ksl_dmp_sess_wait ksdhng_diag_proc_in ksdhng_diag_proc ...

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References

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