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Pmon terminated instance due to LGWR termination ORA-470 (Doc ID 431246.1)

Last updated on MAY 13, 2024

Applies to:

Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

On Solaris Operating System (SPARC 64-bit) the following error occurs.appeares in the alertlog

ORA-07445: exception encountered: core dump [<0xffffffffff600010>] [SIGSEGV] [unknown code] [0x000000000] [] []

 
which followed LGWR termination with the following error

ORA-00470: LGWR process terminated with errorthen instance terminated by Pmon as follows:

PMON: terminating instance due to error 470Instance terminated by PMON, pid = 31449

 

The ORA-7445 trace file will hold a call stack trace similar to below:

ksedmp ksddoa ksdpcg ksdpec ksfpec kgesev ksesec0 ksbend ksbiid ksulhdcb
ksucln ksbrdp opirip opidrv sou2o main start

 

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References

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