Awr Reports hang, MMon slaves are waiting on resmgr:cpu quantum (Doc ID 1530676.1)

Last updated on DECEMBER 06, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.3 and later
Information in this document applies to any platform.
***Checked for relevance on 01-Jul-2016***

Symptoms

On : 11.2.0.3 version, RDBMS

AWR reports won't run, they just hangs.

MMon slaves (m000-m003) are all waiting on resmgr:cpu quantum.

Changes

 Disabled default maintenance plan following:

High "Resmgr:Cpu Quantum" Wait Events In 11g Even When Resource Manager Is Disabled (Doc ID 949033.1)

 

Cause

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