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Trying to run Xen 4.1 on a laptop PC with Intel 965GM chipset

My laptop PC is fairly old and running Debian wheezy. Though it's not powerful, I am trying to run Xen 4.1.

At my first trial, Xen dom0 kernel itself launched without a trouble, but just after the X server started the display was filled with textual black and white patterns and lost reaction to keyboard and mouse input. I got disappointed and kept away from Xen for a while.

Today, I tried again Xen 4.1 following the "Google Teacher"'s work around for some kinds of Intel's integrated video controller.
Before launching dom0, I added the following setting to /etc/X11/xorg.conf:

Section "Device"
        Identifier "myvideodevice"
        Driver "intel"
        Option "AccelMethod" "sna"
EndSection

After I checked that the setting is actually effective by restarting X server and looking into X server's log messages,  I reboot the system and launched dom0.

As before, the display is filled with the same textual patterns.
But this time, after a short pause, display manager's login form appeared.

The work around seems effective. We should use the acceleration method SNA with Xen dom0 in place of UXA.

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