Also, and not sure if this is related, Plymouth does not correctly
render the splashscreen on boot up.  Part way through, the screen blanks
and only the "dot icons" are visible.  Again, this does not occur for
earlier kernels.

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https://bugs.launchpad.net/bugs/1662381

Title:
  linux-image-4.4.0-62-generic breaks Lenovo T440s on Ultradock

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  When using with dock, attached monitor is not detected, laptop monitor
  remains blank.  Requires a reboot

  4.4.0-59 works fine.  I'm guessing this is due to the i915 patches for
  DP.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-62-generic 4.4.0-62.83
  ProcVersionSignature: Ubuntu 4.4.0-59.80-generic 4.4.35
  Uname: Linux 4.4.0-59-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC3:  weinberg   2945 F.... pulseaudio
   /dev/snd/controlC2:  weinberg   2945 F.... pulseaudio
   /dev/snd/controlC0:  weinberg   2945 F.... pulseaudio
   /dev/snd/controlC1:  weinberg   2945 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Mon Feb  6 20:15:05 2017
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=b572432a-a870-4698-af05-eb9ac5b5dfb5
  InstallationDate: Installed on 2016-05-06 (276 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 
(20160420.1)
  MachineType: LENOVO 20ARA0S100
  ProcEnviron:
   LANGUAGE=en_US
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-59-generic 
root=UUID=0a196d38-a419-4a42-b659-7108068e6ce5 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-59-generic N/A
   linux-backports-modules-4.4.0-59-generic  N/A
   linux-firmware                            1.157.6
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/19/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GJET74WW (2.24 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20ARA0S100
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnLENOVO:bvrGJET74WW(2.24):bd03/19/2014:svnLENOVO:pn20ARA0S100:pvrThinkPadT440s:rvnLENOVO:rn20ARA0S100:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20ARA0S100
  dmi.product.version: ThinkPad T440s
  dmi.sys.vendor: LENOVO

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