Crashing problem with *cough* g450 dualhead


today, my company built a g450 dualhead board into my machine (to replace the old 8 MB G200 crap). Now, i’ve come to a strange problem:

My application now crashes at my glEndList() call (i.d. the driver crashes)…yesterday the SAME code worked on the g200 (and on my GF2U at home too)…

Has anyone had a similar problem yet?
Are there things you should not do with a g450?

I could really use some help here.

I don’t really have a clue as of what it could be, but maybe reinstalling the driver helps, if you haven’t tried that yet.

I’ve had absolutely no problems with my G450 since upgrading to XFree86 4.0.3. Prior to 4.0.3 DRI would lock up, but it wasn’t the kernel driver’s fault.

Caveat: I’m not using it in dual-head mode.