RHEL8.10 kernel fails to boot on HP Z4/Z6/Z8 G4 workstations

Solution Verified - Updated -

Issue

  • The RHEL8.10 kernel fails to boot on the HP Z4/Z6/Z8 G4 workstations, displaying only a cursor in the upper left corner after the boot menu.

Environment

  • Red Hat Enterprtise Linux 8.10
  • kernel-4.18.0-553.el8_10, kernel-4.18.0-553.5.1.el8_10
  • HP Z4 G4 Workstation
  • HP Z6 G4 Workstation
  • HP Z8 G4 Workstation
  • Intel Skylake
  • Intel Cascade Lake

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