Jonas Meurer wrote:
I don't use any acceleration at all. I run the mga matrox Xserver, which doesn't support any kind of 3d acceleration. (my graphics controller is a Matrox MGA G400)
At this point it would be useful to see your Xorg.conf (but not to the list, perhaps better to the bug)
Your card supporting GL/DRI does not preclude the driver supporting it nor it being activated in error.