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ORA-7445 [ksfd_odmrqfil()+800] [SIGSEGV] After Disabling dNFS (Doc ID 2425257.1)

Last updated on OCTOBER 18, 2019

Applies to:

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
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

Occasional ORA-7445 [ksfd_odmrqfil()+800] [SIGSEGV] errors are encountered in different oracle processes.

Eventually, DB instance went down when CKPT process received ORA-7445 [ksfd_odmrqfil()+800] [SIGSEGV] error.

Trace file indicates following call stack.

 

Changes

dNFS was disabled (i.e. make -f ins_rdbms.mk dnfs_off) while the instance was running.

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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