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

Last updated on JANUARY 30, 2022

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 9.2 to 10.2]
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 Backup Service - Version N/A and later
Information in this document applies to any platform.


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





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