Why isn't region overlap working on my system

I need some help! I just installed arch linux on my machine and went on to install all the software that i use,but when I tried to configure blender to my preference region overlap doesn’t work. I know that this isn’t Important but if you can help it would be great,thanks!

Moved from “General Forums > Blender and CG Discussions” to “Support > Technical Support”

Could you provide some more information about your computer? Specifically speaking, what kind of video card are you using? And which drivers are you using in X?