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Qmn0 And Lgwr Trace Files Are Generated During Shutdown/Startup (Doc ID 308982.1)

Last updated on FEBRUARY 14, 2022

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 9.2 to 10.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.


During instance shutdown and restart see trace files for the QMN0 and LGWR processes being generated.

The LGWR trace have following message:

Checking if LNS processes need to be shutdown..


The QMN0 trace have following messages:


SGA initialization / DB open not complete even after 5 minutes, QMN0exiting
error 604 detected in background process
OPIRIP: Uncaught error 447. Error stack:
ORA-00447: fatal error in background process
ORA-00604: error occurred at recursive SQL level 1
ORA-01219: database not open: queries allowed on fixed tables/views only


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