(Error code 7f04818f)
This error originated from one of the following locations within the iPXE source code:
DEBUG=efi_image
(Please edit this page to include any of your own useful hints and tips for fixing this error.)
This error generally indicates that you have attempted to boot a kernel on a system with UEFI Secure Boot enabled, but without using the correct UEFI shim image.
Things to try:
shim
command.