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.
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.