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I am trying to run some OpenCL programs. I have a NVidia graphics card (GeForce 6600).

But , when I execute my program and I get a error : Unable to get platforms -1001

My OS is ArchLinux and I already install the following packages ( from pacman ): 1. libcl 2. opencl-headers 3. opencl-nvidia-304xx 4. lib32-opencl-nvidia-304xx

How to fix this problem in my environment？ or what necessary packages need to install?

thanks.

王傳啟
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  • Check out this answer this was asked earlier this week: http://stackoverflow.com/questions/29171558/opencl-not-finding-platforms/29175174?noredirect=1#comment46754767_29175174 Hope this helps. – pasternak Mar 28 '15 at 21:11
  • thanks pasternak, but even thoung I install cuda toolkit, it will get same error in my environment. Could any method to check I intsall right package or check the opencl link is available? – 王傳啟 Mar 30 '15 at 04:46

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OpenCL-error -1001 "CL_PLATFORM_NOT_FOUND_KHR" doesn't necessarily mean you don't have any OpenCL-capable device. This means, that cl_khr_icd-extention have a trouble to load the proper vendor driver.
Try to run your OpenCL-program(s) as root. Or try to use clIcdGetPlatformIDsKHR. If you not running X11, you need to create device files manually or by script

Roman Marusyk
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Vlad
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