The acceleration code hangs the computer during X-server startup.
DDC-probing does not work correctly yet. No DDC information is found.
Switching from display to VC and back to display can lock up V2x00 cards.
When scrolling the virtual display on a V1000 card parts of the screen will become distorted. Problem disappears when you continue moving around. V2x00 does not exhibit this problem. Probably a bug in the driver rather than a limitation of the chip.
Depth 15 & 16 has problems with colors when DirectColor is used.