gist:0b81a36de418826500c7

## gistfile1.txt
sudo apt-get install xserver-xorg-video-intel
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 xserver-xorg-video-intel : Depends: xorg-video-abi-15
                            Depends: xserver-xorg-core (>= 2:1.14.99.902)
E: Unable to correct problems, you have held broken packages.

sudo apt-cache policy xserver-xorg-video-intel
xserver-xorg-video-intel:
  Installed: (none)
  Candidate: 2:2.99.910-0ubuntu1.6+elementary0.3.1
  Version table:
     2:2.99.910-0ubuntu1.6+elementary0.3.1 0
        999 http://ppa.launchpad.net/elementary-os/os-patches/ubuntu/ trusty/main amd64 Packages
     2:2.99.910-0ubuntu1.6 0
        500 http://de.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
     2:2.99.910-0ubuntu1 0
        500 http://de.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages

ubuntu@ubuntu-VirtualBox:~$ sudo apt-cache policy xserver-xorg-video-intel
xserver-xorg-video-intel:
  Installed: (none)
  Candidate: 2:2.99.910-0ubuntu1.6
  Version table:
     2:2.99.910-0ubuntu1.6 0
        500 http://de.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
     2:2.99.910-0ubuntu1 0
        500 http://de.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages