The corruption issues disappear with KMS, at least in the graphics stack included in Ubuntu Lucid. I use plain uncomposited desktop (Compiz too slow with KMS and my X1400 card). With UMS, the corruption is still the same in Ubuntu Lucid.
The corruption issues disappear with KMS, at least in the graphics stack included in Ubuntu Lucid. I use plain uncomposited desktop (Compiz too slow with KMS and my X1400 card). With UMS, the corruption is still the same in Ubuntu Lucid.