kdump is not triggered with NMI button

Solution Verified - Updated -

Issue

  • Tried to trigger NMI button for system hung situation, but it's not generating a vmcore and stay in hung state
  • Once reboot the system, it's not showing any vmcore
  • Below two are already configured
kernel.unknown_nmi_panic = 1
kernel.panic_on_unrecovered_nmi = 1

Environment

  • Red Hat Enterprise Linux 6

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