Things I've tested which haven't made a difference:

* Copy /usr/share/doc/xserver-xorg-video-intel/xorg.conf to
/etc/X11/xorg.conf

* Running with the drm-intel-next kernel

Also verified that xenial still doesn't exhibit any issues by booting a
live image, so it isn't an hw issue.

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https://bugs.launchpad.net/bugs/1625154

Title:
  [Dell XPS 13 9343] Sceen periodically scrambles then returns to normal

Status in xserver-xorg-video-intel package in Ubuntu:
  New

Bug description:
  Since upgrading to yakkety on this machine I see frequent instances of
  the screen "scrambling," for lack of a better work. What I mean is
  that for a split second things appear at the wrong location on the
  screeen, as though the video has lost sync temporarily. Then it
  returns to normal. It happens frequently but not on a regular interval
  - I'd estimate anywhere between 5 and 30 seconds between occurrences
  in general.

  I'm running a 4.8 kernel from the canonical-kernel-team ppa right now,
  but I don't think this is a kernel problem, or at least not wholly a
  kernel problem, because it also happens with 4.4 kernels (though it
  seems less frequent with 4.4). This didn't happen at all with xenial.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.10
  Package: xserver-xorg-video-intel 2:2.99.917+git20160706-1ubuntu1
  ProcVersionSignature: Ubuntu 4.8.0-11.12-generic 4.8.0-rc6
  Uname: Linux 4.8.0-11-generic x86_64
  .tmp.unity_support_test.0:
   
  ApportVersion: 2.20.3-0ubuntu7
  Architecture: amd64
  BootLog: /dev/sda7: clean, 1090327/10641408 files, 32820447/42537216 blocks
  CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  CurrentDesktop: Unity
  Date: Mon Sep 19 07:08:24 2016
  DistUpgraded: 2016-01-08 11:10:55,368 DEBUG enabling apt cron job
  DistroCodename: yakkety
  DistroVariant: ubuntu
  EcryptfsInUse: Yes
  ExtraDebuggingInterest: Yes, including running git bisection searches
  GraphicsCard:
   Intel Corporation HD Graphics 5500 [8086:1616] (rev 09) (prog-if 00 [VGA 
controller])
     Subsystem: Dell HD Graphics 5500 [1028:0665]
  InstallationDate: Installed on 2015-02-19 (577 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150110)
  MachineType: Dell Inc. XPS 13 9343
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.8.0-11-generic 
root=UUID=bdad03f3-06c0-439d-8869-32fad0b1851b ro quiet splash vt.handoff=7
  SourcePackage: xserver-xorg-video-intel
  UpgradeStatus: Upgraded to yakkety on 2016-01-08 (254 days ago)
  dmi.bios.date: 05/15/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A04
  dmi.board.name: 0TM99H
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvrA04:bd05/15/2015:svnDellInc.:pnXPS139343:pvr01:rvnDellInc.:rn0TM99H:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: XPS 13 9343
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz 1:0.9.13.0+16.10.20160818.2-0ubuntu2
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.70-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 12.0.3-1ubuntu1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 12.0.3-1ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.18.4-1ubuntu6
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.2-1ubuntu1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20160706-1ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-2

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