I had the same problem in Intrepid, then upgraded to Jaunty a things got even worse for a while but now the 3D performance is on the level as in Hardy (after I decided to use 2.6.28 which has GEM support instead of 2.6.27 kernel and chmod 666 /dev/dri/card0)
I had the same problem in Intrepid, then upgraded to Jaunty a things got even worse for a while but now the 3D performance is on the level as in Hardy (after I decided to use 2.6.28 which has GEM support instead of 2.6.27 kernel and chmod 666 /dev/dri/card0)