[] Weird colors on new build

Hello, i just started today with UE4 on Ubuntu 14.04. After compiling, i launched the Editor and everything went fine, i tried out the engine while shaders compiled. When shaders finished, strange colours appeared on the light and some models turned light blue:
I searched everywhere,
my problem is just like this:

but my version is 4.7.

I also tried setting r.Cache.LightingCacheDimension to 128 in the ConsoleVariables.ini

Here’s some screenshots of how it looks.

My nvidia driver information: