I've created a minimal example using GLI, GLM, GLEW and GLFW here: GitHub - jherico/gl_scratch
I've tested on Windows 10 using CMake to create a project using the following generator:
-G "Visual Studio 12 2013 Win64"
mirh, if you're creating lots of individual 2D textures and marking them sparse, yes, that could be related. Try running you application and watching CPU memory usage over time.