The patch on comment#1 have been tested can fix the block booting issue on some Dell machines.
** Summary changed: - GRUB need to support 64-bit efi linear frame buffer address + GRUB needs to support 64-bit efi linear frame buffer address -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1785033 Title: GRUB needs to support 64-bit efi linear frame buffer address To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1785033/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs