When I installed jaunty kde 4.3.0 was in ppa. So I've only seem the problem with kdm of 4.3.0 and 4.3.1 never tried 4.2.* yet. So it looks like at least kdm 4.3* and inter gfx driver 2.6 or 2.8 don't like each other.
When I installed jaunty kde 4.3.0 was in ppa. So I've only seem the problem with kdm of 4.3.0 and 4.3.1 never
tried 4.2.* yet. So it looks like at least kdm 4.3* and inter gfx driver 2.6 or 2.8 don't like each other.