Public bug reported:

When I switch to Desktop using 'Super' + 'tab' while watching a full-
screen video (Any player / Youtube) My Launcher and the top panel
vanishes. Even Right-click won't work.

I have made a screen-cast video. To get the complete picture of this
problem, please watch this video : https://youtu.be/M9TforHAY3g

The same has been asked on AskUbuntu.com with more screenshots  of the
issue  :  http://askubuntu.com/q/788007/497359 .


ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: unity 7.4.0+16.04.20160526.1-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-24.43-generic 4.4.10
Uname: Linux 4.4.0-24-generic x86_64
NonfreeKernelModules: nvidia_drm nvidia_modeset nvidia
.proc.driver.nvidia.gpus.0000.09.00.0: Error: [Errno 21] Is a directory: 
'/proc/driver/nvidia/gpus/0000:09:00.0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
 NVRM version: NVIDIA UNIX x86_64 Kernel Module  367.27  Thu Jun  9 18:53:27 
PDT 2016
 GCC version:  gcc version 5.3.1 20160413 (Ubuntu 5.3.1-14ubuntu2.1)
.tmp.unity_support_test.0:

ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
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: Fri Jun 17 10:05:36 2016
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
DkmsStatus:
 bbswitch, 0.8, 4.4.0-24-generic, x86_64: installed
 nvidia-367, 367.27, 4.4.0-24-generic, x86_64: installed
 vboxhost, 5.0.22, 4.4.0-24-generic, x86_64: installed
GraphicsCard:
 Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 
0b) (prog-if 00 [VGA controller])
   Subsystem: Hewlett-Packard Company Haswell-ULT Integrated Graphics 
Controller [103c:2212]
   Subsystem: Hewlett-Packard Company GF117M [GeForce 610M/710M/810M/820M / GT 
620M/625M/630M/720M] [103c:2212]
InstallationDate: Installed on 2016-05-30 (17 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
MachineType: Hewlett-Packard Compaq 15 Notebook PC
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-24-generic.efi.signed 
root=UUID=2cd866c3-2aaf-45d6-b921-398baee76fec ro quiet splash vt.handoff=7
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/26/2015
dmi.bios.vendor: Insyde
dmi.bios.version: F.39
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: 2212
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 86.52
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias: 
dmi:bvnInsyde:bvrF.39:bd05/26/2015:svnHewlett-Packard:pnCompaq15NotebookPC:pvr0990110000000000000600087:rvnHewlett-Packard:rn2212:rvr86.52:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.name: Compaq 15 Notebook PC
dmi.product.version: 0990110000000000000600087
dmi.sys.vendor: Hewlett-Packard
upstart.unity-panel-service.log:
 (unity-panel-service:13283): Indicator-Appmenu-CRITICAL **: 
window_menu_model_new: assertion 'BAMF_IS_APPLICATION(app)' failed

 (unity-panel-service:13283): Indicator-Appmenu-CRITICAL **: track_menus: 
assertion 'IS_WINDOW_MENU(menus)' failed
upstart.unity7.log: ERROR 2016-06-17 10:03:24 unityte <unknown>:0 
g_value_set_object: assertion 'g_value_type_compatible (G_OBJECT_TYPE 
(v_object), G_VALUE_TYPE (value))' failed
version.compiz: compiz 1:0.9.12.2+16.04.20160526-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.67-1ubuntu0.16.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu2
version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2.2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
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+git20160325-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2
xserver.bootTime: Fri Jun 17 10:00:28 2016
xserver.configfile: /etc/X11/xorg.conf
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.18.3-1ubuntu2.2

** Affects: unity (Ubuntu)
     Importance: Undecided
         Status: Confirmed


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

** Attachment added: "Screenshot of missing launcher"
   https://bugs.launchpad.net/bugs/1593553/+attachment/4685333/+files/rdqRf.png

** Description changed:

  When I switch to Desktop using 'Super' + 'tab' while watching a full-
  screen video (Any player / Youtube) My Launcher and the top panel
  vanishes. Even Right-click won't work.
+ 
+ I have made a screen-cast video. To get the complete picture of this
+ problem, please watch this video : https://youtu.be/M9TforHAY3g
+ 
+ The same has been asked on AskUbuntu.com with more screenshots  of the
+ issue  :  http://askubuntu.com/q/788007/497359 .
+ 
  
  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: unity 7.4.0+16.04.20160526.1-0ubuntu1
  ProcVersionSignature: Ubuntu 4.4.0-24.43-generic 4.4.10
  Uname: Linux 4.4.0-24-generic x86_64
  NonfreeKernelModules: nvidia_drm nvidia_modeset nvidia
  .proc.driver.nvidia.gpus.0000.09.00.0: Error: [Errno 21] Is a directory: 
'/proc/driver/nvidia/gpus/0000:09:00.0'
  .proc.driver.nvidia.registry: Binary: ""
  .proc.driver.nvidia.version:
-  NVRM version: NVIDIA UNIX x86_64 Kernel Module  367.27  Thu Jun  9 18:53:27 
PDT 2016
-  GCC version:  gcc version 5.3.1 20160413 (Ubuntu 5.3.1-14ubuntu2.1)
+  NVRM version: NVIDIA UNIX x86_64 Kernel Module  367.27  Thu Jun  9 18:53:27 
PDT 2016
+  GCC version:  gcc version 5.3.1 20160413 (Ubuntu 5.3.1-14ubuntu2.1)
  .tmp.unity_support_test.0:
-  
+ 
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  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: Fri Jun 17 10:05:36 2016
  DistUpgraded: Fresh install
  DistroCodename: xenial
  DistroVariant: ubuntu
  DkmsStatus:
-  bbswitch, 0.8, 4.4.0-24-generic, x86_64: installed
-  nvidia-367, 367.27, 4.4.0-24-generic, x86_64: installed
-  vboxhost, 5.0.22, 4.4.0-24-generic, x86_64: installed
+  bbswitch, 0.8, 4.4.0-24-generic, x86_64: installed
+  nvidia-367, 367.27, 4.4.0-24-generic, x86_64: installed
+  vboxhost, 5.0.22, 4.4.0-24-generic, x86_64: installed
  GraphicsCard:
-  Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] 
(rev 0b) (prog-if 00 [VGA controller])
-    Subsystem: Hewlett-Packard Company Haswell-ULT Integrated Graphics 
Controller [103c:2212]
-    Subsystem: Hewlett-Packard Company GF117M [GeForce 610M/710M/810M/820M / 
GT 620M/625M/630M/720M] [103c:2212]
+  Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] 
(rev 0b) (prog-if 00 [VGA controller])
+    Subsystem: Hewlett-Packard Company Haswell-ULT Integrated Graphics 
Controller [103c:2212]
+    Subsystem: Hewlett-Packard Company GF117M [GeForce 610M/710M/810M/820M / 
GT 620M/625M/630M/720M] [103c:2212]
  InstallationDate: Installed on 2016-05-30 (17 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 
(20160420.1)
  MachineType: Hewlett-Packard Compaq 15 Notebook PC
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-24-generic.efi.signed 
root=UUID=2cd866c3-2aaf-45d6-b921-398baee76fec ro quiet splash vt.handoff=7
  SourcePackage: unity
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/26/2015
  dmi.bios.vendor: Insyde
  dmi.bios.version: F.39
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: 2212
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 86.52
  dmi.chassis.asset.tag: Chassis Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: Chassis Version
  dmi.modalias: 
dmi:bvnInsyde:bvrF.39:bd05/26/2015:svnHewlett-Packard:pnCompaq15NotebookPC:pvr0990110000000000000600087:rvnHewlett-Packard:rn2212:rvr86.52:cvnHewlett-Packard:ct10:cvrChassisVersion:
  dmi.product.name: Compaq 15 Notebook PC
  dmi.product.version: 0990110000000000000600087
  dmi.sys.vendor: Hewlett-Packard
  upstart.unity-panel-service.log:
-  (unity-panel-service:13283): Indicator-Appmenu-CRITICAL **: 
window_menu_model_new: assertion 'BAMF_IS_APPLICATION(app)' failed
-  
-  (unity-panel-service:13283): Indicator-Appmenu-CRITICAL **: track_menus: 
assertion 'IS_WINDOW_MENU(menus)' failed
+  (unity-panel-service:13283): Indicator-Appmenu-CRITICAL **: 
window_menu_model_new: assertion 'BAMF_IS_APPLICATION(app)' failed
+ 
+  (unity-panel-service:13283): Indicator-Appmenu-CRITICAL **: track_menus: 
assertion 'IS_WINDOW_MENU(menus)' failed
  upstart.unity7.log: ERROR 2016-06-17 10:03:24 unityte <unknown>:0 
g_value_set_object: assertion 'g_value_type_compatible (G_OBJECT_TYPE 
(v_object), G_VALUE_TYPE (value))' failed
  version.compiz: compiz 1:0.9.12.2+16.04.20160526-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.67-1ubuntu0.16.04.1
  version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu2
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu2
  version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2.2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
  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+git20160325-1ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.12-1build2
  xserver.bootTime: Fri Jun 17 10:00:28 2016
  xserver.configfile: /etc/X11/xorg.conf
  xserver.errors:
-  
+ 
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.18.3-1ubuntu2.2

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https://bugs.launchpad.net/bugs/1593553

Title:
  Launcher missing when switched to Desktop from a fullscreen video (on
  Ubuntu)

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