How to send NMI to Guest OS on ESXi 6.x or Later and capture VMCORE during system hung.

Solution Verified - Updated -

Issue

  • We have a server that stops responding, but nothing is recorded in the messages. When this occurs, our only option has been to reboot the server.

Environment

  • Red Hat Enterprise Linux VM guest.
  • VMware ESXi 6 or later host.

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