Error -1001 in clGetPlatformIDs Call !

Question

I am trying to start working with OpenCL. I have two NVidia graphics card, I installed \"developer driver\" as well as SDK from NVidia website. I compiled the demos but when

Answer 1

In my case I have solved it by installing nvidia-modprobe package available in ubuntu (utopic/multiverse). And the driver itself (v346) was installed from
https://launchpad.net/~mamarley/+archive/ubuntu/nvidia

Concretely, I have installed nvidia-opencl-icd-346, nvidia-libopencl1-346, nvidia-346-uvm, nvidia-346 and libcuda1-346. Not sure if they are all needed for OpenCL.