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

Last updated on FEBRUARY 19, 2019

Applies to:

Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud 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.

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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In this Document
Symptoms
Changes
Cause
Solution
References

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