Systems hanging on kworker threads - blocked for more than 120 seconds while trying to isolate free pages

Solution Verified - Updated -

Issue

  • Multiple virtual machines hanging for up to two hours with the console showing kworker threads blocked for more than 120 seconds.
  • Server got hung while trying to process this function RIP: isolate_freepages_block+131

Environment

  • Red Hat Enterprise Linux 7.6

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