Follow-up Comment #1, bug #64406 (project grub): I have this exact same issue. Also verified problem to exist on grub 2:2.12rc1-1. Had to roll back to grub 2:2.06.r566 to boot system normally.
Asus X200ca Notebook Arch Linux only , no dual boot Secure Boot disabled CSM disabled Booting UEFI American Megatrends Bios Ver 208 _______________________________________________________ Reply to this item at: <https://savannah.gnu.org/bugs/?64406> _______________________________________________ Message sent via Savannah https://savannah.gnu.org/