[solved]Screwed graphics

[Urkle]

Hello,

2 months ago, Penumbra was working fine for me, but I don't know what has changed in my system, but now I have no graphics at all - or when I tune down all post-effects and motion blurs, I get something like this. The only thing I can always see is the hand/eye cursor. The framerate seems to be much lower too.
Other games work fine.

I am sure I have a different NVIDIA driver version than 2 months ago (currently running 100.14.11, 9755 two months ago). I am using GeForce 7950 GX2 (MultiGPU) graphics card. With one GPU it doesn't woork either.

The only errors in the log:

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Creating programs
CG ERROR : The compile returned an error.
-----------------------------------
core/programs/PostEffect_Motion_fp.cg(32) : error C5013: profile does not support "for" statements and "for" could not be unrolled.
-----------------------------------
Error loading: 'core/programs/PostEffect_Motion_fp.cg'!
ERROR: Couldn't create program 'PostEffect_Motion_fp.cg'
Dynamic loops in motion blur fp not supported, loading static instead.

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Loading collada for 'maps/level01_08_water_cave.dae' took: 627 ms
WARNING: Parent 'group3' couldn't be found! Failed to attach 'artefact01_pointLight1' to 'artefact01'.Attaching directly to mesh.

My CG profiles:

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Checking Supported Profiles
  Profile CG_PROFILE_VP40 is supported
  Profile CG_PROFILE_ARBVP1 is supported
  Profile CG_PROFILE_ARBFP1 is supported
Trying to load vertex program!
Success!

It looks like the game is not using the nvidia GL drivers to me, but rather the Software Mesa drivers.
Otherwise it would show a LOT more profiles than that.

I have not tested the 100.x.x series drivers yet. I guess I'll have to test them.

What distro and how are the nvidia drivers installed?
and can you run

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ldd penumbra.bin

and list the lines that reference anything about libGL