Ubuntu 14.04 trusty

upgrade kernel to 3.16

sudo apt-get dist-upgrade sudo apt-get install --install-recommends linux-generic-lts-utopic xserver-xorg-lts-utopic \ libgl1-mesa-glx-lts-utopic libegl1-mesa-drivers-lts-utopic

Install steam dependancy

apt-get install libgl1-mesa-dri-lts-utopic:i386 libgl1-mesa-glx-lts-utopic:i386