Public bug reported:

laptop: Dell Latitude 7280
dock: Dell WD15

Unplug from dock causes flickering to start, plug it back in and stops.

ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: xorg 1:7.7+16ubuntu3
ProcVersionSignature: Ubuntu 4.10.0-33.37-generic 4.10.17
Uname: Linux 4.10.0-33-generic x86_64
.tmp.unity_support_test.0:

ApportVersion: 2.20.4-0ubuntu4.5
Architecture: amd64
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity:Unity7
Date: Tue Sep  5 11:52:03 2017
DistUpgraded: Fresh install
DistroCodename: zesty
DistroVariant: ubuntu
DkmsStatus:
 virtualbox, 5.1.22, 4.10.0-19-generic, x86_64: installed
 virtualbox, 5.1.22, 4.10.0-33-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation Device [8086:5916] (rev 02) (prog-if 00 [VGA controller])
   Subsystem: Dell Device [1028:079f]
InstallationDate: Installed on 2017-09-04 (1 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
MachineType: Dell Inc. Latitude 7280
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.10.0-33-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/13/2017
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.5.2
dmi.board.name: 0KK5D1
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias: 
dmi:bvnDellInc.:bvr1.5.2:bd06/13/2017:svnDellInc.:pnLatitude7280:pvr:rvnDellInc.:rn0KK5D1:rvrA00:cvnDellInc.:ct10:cvr:
dmi.product.name: Latitude 7280
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.13.1+17.04.20170109-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.76-1
version.libgl1-mesa-dri: libgl1-mesa-dri 17.0.7-0ubuntu0.17.04.1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 17.0.7-0ubuntu0.17.04.1
version.xserver-xorg-core: xserver-xorg-core 2:1.19.3-1ubuntu1.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.9.0-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20170309-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.14-0ubuntu1

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug compiz-0.9 ubuntu zesty

** Description changed:

  laptop: Dell Latitude 7280
  dock: Dell WD15
+ 
+ Unplug from dock causes flickering to start, plug it back in and stops.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 17.04
  Package: xorg 1:7.7+16ubuntu3
  ProcVersionSignature: Ubuntu 4.10.0-33.37-generic 4.10.17
  Uname: Linux 4.10.0-33-generic x86_64
  .tmp.unity_support_test.0:
-  
+ 
  ApportVersion: 2.20.4-0ubuntu4.5
  Architecture: amd64
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  CurrentDesktop: Unity:Unity7
  Date: Tue Sep  5 11:52:03 2017
  DistUpgraded: Fresh install
  DistroCodename: zesty
  DistroVariant: ubuntu
  DkmsStatus:
-  virtualbox, 5.1.22, 4.10.0-19-generic, x86_64: installed
-  virtualbox, 5.1.22, 4.10.0-33-generic, x86_64: installed
+  virtualbox, 5.1.22, 4.10.0-19-generic, x86_64: installed
+  virtualbox, 5.1.22, 4.10.0-33-generic, x86_64: installed
  ExtraDebuggingInterest: Yes
  GraphicsCard:
-  Intel Corporation Device [8086:5916] (rev 02) (prog-if 00 [VGA controller])
-    Subsystem: Dell Device [1028:079f]
+  Intel Corporation Device [8086:5916] (rev 02) (prog-if 00 [VGA controller])
+    Subsystem: Dell Device [1028:079f]
  InstallationDate: Installed on 2017-09-04 (1 days ago)
  InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
  MachineType: Dell Inc. Latitude 7280
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.10.0-33-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 06/13/2017
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.5.2
  dmi.board.name: 0KK5D1
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 10
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvr1.5.2:bd06/13/2017:svnDellInc.:pnLatitude7280:pvr:rvnDellInc.:rn0KK5D1:rvrA00:cvnDellInc.:ct10:cvr:
  dmi.product.name: Latitude 7280
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz 1:0.9.13.1+17.04.20170109-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.76-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 17.0.7-0ubuntu0.17.04.1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 17.0.7-0ubuntu0.17.04.1
  version.xserver-xorg-core: xserver-xorg-core 2:1.19.3-1ubuntu1.1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.9.0-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20170309-0ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.14-0ubuntu1

-- 
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1715111

Title:
  screen flickers when not connected to dock

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https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1715111/+subscriptions

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