[RHEL7.5/UEFI] Executing efibootmgr results in a system reset / Anaconda resets the system when setting the boot loader

Issue

• When running RHEL7.5 kernel kernel-3.10.0-862.el7.x86_64, executing efibootmgr results in a system reset

• When installing a system using the RHEL7.5 DVD, a system reset occurs when anaconda tries to set up the boot loader

  <TIME> localhost packaging: ==== end rpm scriptlet logs ====
  <TIME> localhost anaconda: Installing boot loader
  <TIME> localhost anaconda: boot loader stage1 target device is sda1
  <TIME> localhost anaconda: boot loader stage2 target device is sda2
  <TIME> localhost program: Running... xfs_freeze -f /boot
  <TIME> localhost program: Running... xfs_freeze -u /boot
  <TIME> localhost program: Running... efibootmgr