Frequent Hang Analysis by DIAG Process after upgrade to 11.2.0.4

(Doc ID 1631208.1)

Last updated on OCTOBER 02, 2015

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 to 12.1.0.1 [Release 11.2 to 12.1]
Information in this document applies to any platform.

Symptoms

Frequent hanganalyze taken with references to emon slave processes in 'EMON slave idle wait' on one node in a RAC cluster.

No hang is being observed on the system.

The EMON processes have simply been idle for a long time.

Changes

Upgrade to 11.2.0.4 from 11.2.0.3.

Cause

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