Just want to ack that the problem also appears here. Kernel vanilla 2.6.16.1 xserver-xorg-video-i810 1.5.1.0-2 libgl1-mesa-dri 6.4.1-0.4 downloading http://dri.freedesktop.org/snapshots/i915-20060403-linux.i386.tar.bz2 and copying i810_drv.so and i915_dri.so over fix the problem. Cord