kexec kernel fails with NMI IOCK errors on systems running on HP hardware

Updated 2018-05-23T14:45:12+00:00

Issue

  • kexec kernel fails with NMI IOCK errors on systems running on HP hardware
  • kexec kernel fails with error: NMI: IOCK error (debug interrupt?) for reason XX on CPU X. Below or similar traces are observed:
    screen shot of iock errors
    screen shot of iock errors

Environment

  • Red Hat Enterprise Linux 7
  • Red Hat Virtualization Host 4.1.2

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