Created attachment 106966 [details]
Video Distortion on Ubuntu

I've placed the information on Ubuntu since it occurred while I was updating that distro: http://askubuntu.com/questions/529124/ubuntu-14-04-lts-under-parallels-graphic-distortion-after-update

Specs:
Hardware:
 - Apple MacBook Pro RETINA 13", Late 2013

SOFTWARE:
 - OSX 10.9.5 (13F34)
 - Parallels Version 10.0.2 (27712)
 - Distributor ID:  Ubuntu
              ° Description:    Ubuntu 14.04.1 LTS
              ° Release:    14.04
              ° Codename:   trusty
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When updating Ubuntu with Software Update, at some point some software is giving the unit video distortion.

It seems after a couple of rebuilds of Ubuntu and running Software Update, that the issue comes from:

Software Update:
Ubuntu base
Xorg X server - core server

Technical description:

Changes for xserver-xorg-core versions:
Installed version: 2:1.15.1-0ubuntu2
Available version: 2:1.15.1-0ubuntu2.1

Version 2:1.15.1-0ubuntu2.1: 

  * Copy utopic package back to trusty.
    - Fix ppc64el byte order. (LP: #1333422)
      + xi-dont-copy-too-much.patch
    - Fix valgrind issue with xi copying too much.
      + xi-dont-copy-too-much.patch
    - Fix crash related to suspend/shutdown. (LP: #1208473)
      + mi-dont-process-disabled.patch
    - Fix touch event history overflow.
      + xi2-resize-touch.patch
    - Fix switching to guest sessions. (LP: #1322212)
      + Revive drm_device_keep_trying.patch