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Trial of Xen, Xorg, and an Intel graphics controller on wheezy

A few weeks ago, I upgraded one of my Debian box from squeeze to wheezy.
Upgrading task was not so difficult, also I had to manage a trouble concerned with X11.

Then I tried running Xen dom0 kernel upon the Xen hypervisor 4.1. After the installation I booted the hypervisor followed by the dom0 kernel. When a X server launched, the screen was filled with the textile-like tiling patterns. But after several seconds, the normal GDM login console appeared. I did some tasks in the desktop environment, for example, watching a video stream.

During the tasks, I encountered one Xserver's crash and one kernel panic. The thing around Xen and xorg's Intel driver must be getting better. But it seems to be still unstable.
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