What is "Error: cannot mount cpu to /cgroup/cpu: Device or resource busy" in Red Hat Enterprise Linux 7?

Solution Verified - Updated -

Issue

  • Not able to launch the application due to "Error: cannot mount cpu to /cgroup/cpu: Device or resource busy"
# cgconfigparser -l /etc/cgconfig.conf
Error: cannot mount net_prio to /sys/fs/cgroup/net_prio: Device or resource busy
cgconfigparser; error loading /etc/cgconfig.conf: Cgroup mounting failed

Environment

  • Red Hat Enterprise Linux 7

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