glock_workqueue processes using 100%CPU when large number of files being accessed on GFS2 filesystem

Solution Unverified - Updated -

Issue

  • 100% CPU load reported for glock_workqueue processes

Environment

  • Red Hat Enterprise Linux Server 5 (with the High Availability and Resilient Storage Add Ons)
  • Kernel < 2.6.18-164.6.1.el5
  • Large number of open files on GFS2 filesystem

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