getting "GLFW wasn't able to initalize" after "import arrayfire"

[Mickey Iluz]

Hi,

I did a fresh install of ArrayFire 3.5 and its python wrapper. In ipython I tried a simple import and it failed:

In [1]: import arrayfire
ERROR: GLFW wasn't able to initalize
Segmentation fault (core dumped)

Building and running C++ code seem to work. Here's af::info():

$ ./af_test
ArrayFire v3.5.0 (CUDA, 64-bit Linux, build 05999f3)
Platform: CUDA Toolkit 8, Driver: 381.22
[0] GeForce GTX 1080 Ti, 11173 MB, CUDA Compute 6.1
-1- GeForce GTX 1080 Ti, 11171 MB, CUDA Compute 6.1

How can I fix it? I don't need GLFW, is there any way to disable it? (ENV var? special build?)

I'm running ubuntu 16.04. (python 2.7.12). 

I installed libglfw3-dev, then ArrayFire-3.5.sh from the website, then pip install arrayfire.

[Pradeep Garigipati]

If you don't need graphics, set the variable AF_DISABLE_GRAPHICS=1 and that should do it. If there is not active display(headless configs are also possible) which is required by GLFW to initialize successfully. Do you have a display connected to this setup ?

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