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** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1727320

Title:
  Screen turn on/off 3 times and DP-1-3 connected but nothing is
  connected [latitude e7470]

Status in linux package in Ubuntu:
  Incomplete
Status in xserver-xorg-video-intel package in Ubuntu:
  Confirmed

Bug description:
  Gnome-shell crash and restart after the login and the screen flicker 1
  time (3 with wayland) in Ubuntu 17.10 with my DELL latitude e7470
  laptop.

  If I go in display settings I notice a second monitor Synaptics Inc
  24'' which doesn't exist in reality. In Wayland after the screen stop
  flickering I don't have any other problem and that monitor is not
  present there.

  xrandr | grep -i ' connected'
  eDP-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y 
axis) 309mm x 174mm
  DP-1-3 connected (normal left inverted right x axis y axis) <-- I don't have 
anything connected to this port

  With Fedora 26 I don't have this problem but I'm not yet able to find what 
package is the culprit.
  I believe this problem is related to Displayport 1.2, I don't have any dock 
nor I need to connect more than 1 monitor and would be satisfied just having 
one interface.

  ProblemType: Crash
  DistroRelease: Ubuntu 17.10
  Package: gnome-shell 3.26.1-0ubuntu4
  ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
  Uname: Linux 4.13.0-16-generic x86_64
  ApportVersion: 2.20.7-0ubuntu3
  Architecture: amd64
  CrashCounter: 1
  CurrentDesktop: GNOME-Greeter:GNOME
  Date: Wed Oct 25 11:46:16 2017
  DisplayManager: gdm3
  ExecutablePath: /usr/bin/gnome-shell
  GsettingsChanges:
   
  InstallationDate: Installed on 2017-10-19 (5 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
  ProcCmdline: /usr/bin/gnome-shell
  Signal: 5
  SourcePackage: gnome-shell
  StacktraceTop:
   ?? () from /usr/lib/x86_64-linux-gnu/libmutter-1.so.0
   _XIOError () from /usr/lib/x86_64-linux-gnu/libX11.so.6
   _XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
   XPending () from /usr/lib/x86_64-linux-gnu/libX11.so.6
   ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
  Title: gnome-shell crashed with signal 5 in _XIOError()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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