My machine was an upgrade from 9.04 to 9.10. I have now reinstalled 9.10 afresh adn sweet3d is working mighty fine.

I have a machine with a
Intel Corporation 82852/855GM Integrated Graphics Device
graphics card

Sweet Home 3d worked fine under ubuntu 9.04

Upgrading to ubuntu 9.10 has broken it.

First thing I tried was xvinfo which reported no adapter so I googled and found out that adding "i915.modeset=0 ...