https://bugs.freedesktop.org/show_bug.cgi?id=26345
--- Comment #159 from György Balló ballogy@freestart.hu --- Something is broken in the 3.8 kernel. When I'm using it, the colour depth is low, and my system freezes when I try to suspend the computer. I don't know if it caused by the applied workaround or not, but the problem gone if I downgrade to kernel version 3.7.