My Oracle Support Banner

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

Last updated on AUGUST 04, 2018

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.

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

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.