"MMNL absent for %u secs; Foregrounds taking over" Messages in Alert.log (Doc ID 465891.1)

Last updated on JULY 01, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.2 to 11.1.0.6 [Release 10.1 to 11.1]
Information in this document applies to any platform.
***Checked for relevance on 27-JAN-2010***
***Checked for relevance on 14-Jan-2013***
***Checked for relevance on 01-Jul-2016***

Symptoms



When there is a hang situation for a long period of time, Oracle writes this message to the alert.log: "MMNL absent for %u secs; Foregrounds taking over".

Thu Nov 1 15:20:56 2007
MMNL absent for 3805 secs; Foregrounds taking over
Thu Nov 1 15:58:13 2007
Starting ORACLE instance (normal)


If this is a hang situation during a shutdown (after MMNL is stopped) or during a database open (when MMNL is not yet started), messages are written to the alert.log every 5 minutes.


Changes

Any complete hang situations which take a long time trigger these messages.

Cause

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