Xen does not boot again..

Hi everybody here from Germany.

As I wrote in June in this post: Xen Kernel on Laptop will not boot into Gnome - openSUSE Forumsit happend again in oS 11.1.

But this time I have only an black screen after boot and nothing happend equal which key I will press.

Someone with the same problem on an laptop with Intel-Graphic?