kdump sometimes does not start on Azure and Hyper-V

Solution Verified - Updated -


  • On RHEL 8 guest operating systems hosted on the Microsoft Azure or Hyper-V hypervisors, starting the kdump kernel in some cases fails when post-exec notifiers are enabled.


  • Guest OS: Red Hat Enterprise Linux 8
  • Hypervisor: Hyper-V on Windows Server 2019

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