Red Hat Enterprise Linux 6 NFSv4 client 100% CPU utilization - Red Hat Customer Portal

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Issue

NFSv4 using 100% of system resources.
We have users running applications off NFS mount points. When the application is started using NFS version 4 the application will not start the system will become unresponsive. Using NFSv3 will allow the application to run.
NFS state manager thread stuck in an infinite loop trying to return delegations.

Environment

Red Hat Enterprise Linux 6.2 NFSv4 client
AIX 7.1 NFSv4 server with delegations enabled
Customer was running the GlassFish java application server on the NFSv4 mounted filesystem

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