I'm really doubting this could be a bug in -vesa. Vesa doesn't touch on the input system much. I doublechecked the changelogs just in case and saw nothing related to input/coordinate handling. Further, confirmed with ScislaC that his issue was seen on -ati.
Most of the input system changes from Jaunty to Karmic are in the xserver, so I think this is a better guess than -vesa. Particularly so if ScislaC sees the same bug on input drivers other than wacom.
I'm really doubting this could be a bug in -vesa. Vesa doesn't touch on the input system much. I doublechecked the changelogs just in case and saw nothing related to input/coordinate handling. Further, confirmed with ScislaC that his issue was seen on -ati.
Most of the input system changes from Jaunty to Karmic are in the xserver, so I think this is a better guess than -vesa. Particularly so if ScislaC sees the same bug on input drivers other than wacom.