Confirmed the bug in person. Looks to me like it's not even getting to load the kernel, I tried changing the parameters in grub to see kernel messages on the screen, but it reacts the same way -- just getting a "Loading initial memory disk" message from the command list in grub, and nothing else.
** Changed in: grub2 (Ubuntu) Status: New => Confirmed ** Changed in: grub2 (Ubuntu) Importance: Undecided => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1069772 Title: Grub-EFI wont boot without a USB key 9 out 10 time To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1069772/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs