FWIW, it turns out that the idea of cranking up GRUG_DISK_CACHE_SIZE to help EFI has been discovered previously: http://blog.fpmurphy.com/2010/03/grub2-efi-support.html
FWIW, it turns out that the idea of cranking up GRUG_DISK_ CACHE_SIZE to help EFI has been discovered previously: http:// blog.fpmurphy. com/2010/ 03/grub2- efi-support. html