multiboot broken for amd64?

[Brett Lymn <blymn%internode.on.net@localhost>]

I am using a recent current and trying to get grub2 to multiboot the
kernel but grub2 keeps telling me that it cannot find the multiboot
header even though the kernel is built with options MULTIBOOT, on amd64.
Some googling indicates it used to work, has it been broken?

-- 
Brett Lymn