CURRENT: EFI boot failure

Tue Sep 16 00:05:50 UTC 2014

Installing FreeBSD-11.0-CURRENT-amd64-20140903-r270990 on a Laptop works for UEFI fine.
After I updated the sources to  r271649, recompiled world and kernel (as well as
installed), now I get stuck with the screen message:

>> FreeBSD EFI boot block
   Loader path: /boot/loader.efi

and nothing happens. After a couple of minutes, the system reboots.

What happened and how can this problem be solved?
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