Continuous Warning 'Restarting Dead Background Process Qmn0' in Alert.log (Doc ID 839527.1)

Last updated on FEBRUARY 08, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 9.2.0.1 to 11.2.0.2 [Release 9.2 to 11.2]
Information in this document applies to any platform.
***Checked for relevance on 2nd May 2013***


Symptoms

The following warnings appear repeatedly in the alert.log:

Sat Jan 31 00:04:47 2009
Restarting dead background process QMN0
QMN0 started with pid=108, OS id=15863
Sat Jan 31 00:10:14 2009
Restarting dead background process QMN0
QMN0 started with pid=9, OS id=16200
Sat Jan 31 00:15:38 2009
Restarting dead background process QMN0
QMN0 started with pid=9, OS id=16421
Sat Jan 31 00:21:04 2009
Restarting dead background process QMN0
QMN0 started with pid=9, OS id=16618
Sat Jan 31 00:26:28 2009
Restarting dead background process QMN0
QMN0 started with pid=108, OS id=16900


There is no more information regarding this problem in the alert.log and no references to individual traces.


Cause

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