This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:

apport-collect 1954474

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1954474

Title:
  KVM notify VM Exit

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  A VMM can enable notification VM exits to occur if no interrupt
  windows occur in VMX non-root operation for a specified amount of time
  (notify window).


  KVM Enabling:

  enable bit 31 of secondary processor-based excution control.
  enable notification VM exit (exit reason 75) handler.
  expose a module param to configure notify window and disable/enable VM notify.

  Target Linux 5.17

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