thats right.. i solved the problem with NVIDIA, hehe (sorry).

Am Samstag, den 21.03.2009, 06:20 +0000 schrieb kantor:
> I have researched a little bit this problem and it is not a permission bug. 
> It only seems to be that.
> The problem is the direct rendering. 
> if you disable direct rendering you can run 3D games without stripes (export 
> LIBGL_ALWAYS_INDIRECT=true)
> It is not a  permission problem because if you run with sudo direct rendering 
> is automatically disabled (I don't known why) and that is the reason why it 
> works with sudo. But if you run the game with the root user the problem is 
> the same (because with root user direct rendering is enabled, like with your 
> usual account) So it couldn't be a permission problem
> With the drivers downloaded from amd's page this problem is not present (you 
> can run 3D games with or without direct rendering with the same results, I 
> mean without stripes)
>

-- 
ubuntu 8.10, ATI X1250, compiz off - 3D games in full screen show coloured 
stripes
https://bugs.launchpad.net/bugs/292858
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