Everything in the Mathematica window flickers. This includes the menus and all dialog boxes. I tried reading up on this but found nothing. The only thing I know is that Mathematica GUI runs on the Qt framework. If it is an issue with Qt, then how do I fix it?
Edit 1: Mathematica version 18.104.22.168
3.13.0-37-generic #64-Ubuntu SMP Mon Sep 22 21:28:38 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux Distributor ID: LinuxMint Description: Linux Mint 17.1 Rebecca Release: 17.1 Codename: rebecca