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Author Topic: PhysX SDK sample demos, hardware mode not working properly  (Read 7860 times)
arphaxad_cy
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« on: November 06, 2012, 03:42:32 pm »

I was testing those Sample Demos (win64), e.g SampleCloth64, SampleSoftBody64, etc.  given by PhysX SDK 2.8.4.
All the demos work fine under the software mode, but not under the hardware mode. Under the hardware mode, all the cloth, softbody, fluid objects cannot be created and disappear in the scene.

The error message in the console is:
D:\...\PhysXSDK2.8.4\trunk\SDKs\Physics\src\NpPhysicsSDK.cpp(180): unknown error: Kernel execution failed.

The graphics card on my machine is nVidia GeForce GTX 660 which is CUDA supporting, PhysX supporting, and the OS is Vista 7 64-bit.

Any idea?
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Zogrim
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« Reply #1 on: November 06, 2012, 04:16:08 pm »

Interesting.
Do you have PhysX System Software installed, and if yes - what version ?
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arphaxad_cy
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« Reply #2 on: November 06, 2012, 05:51:10 pm »

I downloaded the PhysX SDK (2.8.4.6) from the nVidia Develop Support Center and it says system software is not required.


(NOTE: This is the required core for all installations of the PhysX SDK. It contains headers, libs, dlls, samples, and documentation. Both x32 and x64 versions are included in the installer. Does NOT require a System Software installation.)

It seems that all the necessary dlls are already included.

Interesting.
Do you have PhysX System Software installed, and if yes - what version ?
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Zogrim
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« Reply #3 on: November 06, 2012, 07:29:44 pm »

arphaxad_cy
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it says system software is not required

PSS installation is not mandatory requirement (like in previous SDKs), but it is used to provide updates for GPU acceleration components. It seems in your case SDK simply can't recognize GTX 660, because it is a new GPU (and 2.8.4 is two years old).

So, give it a try.
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arphaxad_cy
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« Reply #4 on: November 06, 2012, 08:16:03 pm »

Just tried installing the system software v9.12.0613 but still no luck...

arphaxad_cy
Quote
it says system software is not required

PSS installation is not mandatory requirement (like in previous SDKs), but it is used to provide updates for GPU acceleration components. It seems in your case SDK simply can't recognize GTX 660, because it is a new GPU (and 2.8.4 is two years old).

So, give it a try.
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Zogrim
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« Reply #5 on: November 06, 2012, 10:09:25 pm »

arphaxad_cy
Quote
Just tried installing the system software v9.12.0613 but still no luck...

Hmm.. what about newest 9.12.0904 drivers ?
Other than that, may be a bug, I'll try to ask to check it.
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arphaxad_cy
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« Reply #6 on: November 08, 2012, 01:02:16 pm »

Tried again with v9.12.0904, but still not working

arphaxad_cy
Quote
Just tried installing the system software v9.12.0613 but still no luck...

Hmm.. what about newest 9.12.0904 drivers ?
Other than that, may be a bug, I'll try to ask to check it.
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Zogrim
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« Reply #7 on: November 08, 2012, 09:02:01 pm »

arphaxad_cy
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Tried again with v9.12.0904, but still not working
I'm out of ideas than.

Maybe guys at dev. forums will be a better help
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