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[Bug 1497366] [NEW] System tray/top panel on 2nd monitor flashes with dash activated on primary monitor.

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Public bug reported:

Hello friends. I stumbled across a graphical issue that I wanted to
report. I was able to duplicate this on Ubuntu 14.04.3 LTS as well as
Ubuntu 15.04 with all of the updates done on both systems as of today.
Both systems also vary quite a bit in hardware (l14.04.3 system =
Latitude 7440 laptop with Intel graphics, 15.04 system = desktop with
Intel CPU and Nvidia 9600GT/Nouveau drivers).

I created a screencast of the issue happening. Please note this
screencast is of my 2nd monitor only.

To reproduce (which can sometimes be a little inconsistent, though a
matter of 60 seconds I was able to replicate it -- then once it happens
it seems hard to ignore), have a couple windows on each monitor. In my
case, I felt as though I noticed the issue more frequently with Firefox,
though I did replicate it with Libre Office as well.

Click on the 2nd display to activate it as the active monitor. Move the
cursor to the 1st monitor, but do not click anywhere. Press the super
key to activate the dash. That's it. The dash seems to follow the cursor
and open on the monitor the cursor resides in, regardless of where you
last clicked. With the second monitor "active" (via a prior click) but
the dash opening on the first monitor via keyboard shortcut, it seems to
instigate the issue. Pending that you have a few windows open, it won't
take long to replicate what you see in the video. In the video, all I
did on the 1st display (what's not seen) is move the cursor to that
monitor and press the super key.

https://www.dropbox.com/s/vr0k0qp1l01bxz4/Ubuntu-Flashing-2nd-
Screen.mp4?dl=0

Thank you for your hard work, time, and energy!

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: unity 7.3.2+15.04.20150420-0ubuntu1
ProcVersionSignature: Ubuntu 3.19.0-28.30-generic 3.19.8-ckt5
Uname: Linux 3.19.0-28-generic x86_64
.tmp.unity.support.test.0:
 
ApportVersion: 2.17.2-0ubuntu1.4
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 Sep 18 12:21:21 2015
DistUpgraded: Fresh install
DistroCodename: vivid
DistroVariant: ubuntu
GraphicsCard:
 Subsystem: ASRock Incorporation Device [1849:0102]
 NVIDIA Corporation G94 [GeForce 9600 GT] [10de:0622] (rev a1) (prog-if 00 [VGA controller])
   Subsystem: Device [196e:0545]
InstallationDate: Installed on 2015-09-17 (0 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-28-generic root=UUID=c25681e4-6e30-4021-ab9f-8937d41d8017 ro quiet splash nomdmonddf nomdmonisw vt.handoff=7
SourcePackage: unity
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/10/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P2.40
dmi.board.name: H61M/U3S3
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP2.40:bd04/10/2013:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnH61M/U3S3:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
version.compiz: compiz 1:0.9.12.1+15.04.20150410.1-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.60-2
version.libgl1-mesa-dri: libgl1-mesa-dri 10.5.9-2ubuntu1~vivid2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.5.9-2ubuntu1~vivid2
version.xserver-xorg-core: xserver-xorg-core 2:1.17.1-0ubuntu3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0-1ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917-1~exp1ubuntu2.2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2build1
xserver.bootTime: Fri Sep 18 12:19:00 2015
xserver.configfile: default
xserver.devices:
 input        Power Button         KEYBOARD, id 6
 input        Video Bus            KEYBOARD, id 7
 input        Power Button         KEYBOARD, id 8
 input        Logitech K270        KEYBOARD, id 9
 input        Logitech M185        MOUSE, id 10
xserver.errors:
 Failed to load module "nvidia" (module does not exist, 0)
 Failed to load module "nvidia" (module does not exist, 0)
 NOUVEAU(0): [COPY] failed to allocate class.
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.17.1-0ubuntu3
xserver.video_driver: nouveau

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


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

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https://bugs.launchpad.net/bugs/1497366

Title:
  System tray/top panel on 2nd monitor flashes with dash activated on
  primary monitor.

Status in unity package in Ubuntu:
  New

Bug description:
  Hello friends. I stumbled across a graphical issue that I wanted to
  report. I was able to duplicate this on Ubuntu 14.04.3 LTS as well as
  Ubuntu 15.04 with all of the updates done on both systems as of today.
  Both systems also vary quite a bit in hardware (l14.04.3 system =
  Latitude 7440 laptop with Intel graphics, 15.04 system = desktop with
  Intel CPU and Nvidia 9600GT/Nouveau drivers).

  I created a screencast of the issue happening. Please note this
  screencast is of my 2nd monitor only.

  To reproduce (which can sometimes be a little inconsistent, though a
  matter of 60 seconds I was able to replicate it -- then once it
  happens it seems hard to ignore), have a couple windows on each
  monitor. In my case, I felt as though I noticed the issue more
  frequently with Firefox, though I did replicate it with Libre Office
  as well.

  Click on the 2nd display to activate it as the active monitor. Move
  the cursor to the 1st monitor, but do not click anywhere. Press the
  super key to activate the dash. That's it. The dash seems to follow
  the cursor and open on the monitor the cursor resides in, regardless
  of where you last clicked. With the second monitor "active" (via a
  prior click) but the dash opening on the first monitor via keyboard
  shortcut, it seems to instigate the issue. Pending that you have a few
  windows open, it won't take long to replicate what you see in the
  video. In the video, all I did on the 1st display (what's not seen) is
  move the cursor to that monitor and press the super key.

  https://www.dropbox.com/s/vr0k0qp1l01bxz4/Ubuntu-Flashing-2nd-
  Screen.mp4?dl=0

  Thank you for your hard work, time, and energy!

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: unity 7.3.2+15.04.20150420-0ubuntu1
  ProcVersionSignature: Ubuntu 3.19.0-28.30-generic 3.19.8-ckt5
  Uname: Linux 3.19.0-28-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.17.2-0ubuntu1.4
  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 Sep 18 12:21:21 2015
  DistUpgraded: Fresh install
  DistroCodename: vivid
  DistroVariant: ubuntu
  GraphicsCard:
   Subsystem: ASRock Incorporation Device [1849:0102]
   NVIDIA Corporation G94 [GeForce 9600 GT] [10de:0622] (rev a1) (prog-if 00 [VGA controller])
     Subsystem: Device [196e:0545]
  InstallationDate: Installed on 2015-09-17 (0 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-28-generic root=UUID=c25681e4-6e30-4021-ab9f-8937d41d8017 ro quiet splash nomdmonddf nomdmonisw vt.handoff=7
  SourcePackage: unity
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/10/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P2.40
  dmi.board.name: H61M/U3S3
  dmi.board.vendor: ASRock
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP2.40:bd04/10/2013:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnH61M/U3S3:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: To Be Filled By O.E.M.
  dmi.product.version: To Be Filled By O.E.M.
  dmi.sys.vendor: To Be Filled By O.E.M.
  version.compiz: compiz 1:0.9.12.1+15.04.20150410.1-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.60-2
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.5.9-2ubuntu1~vivid2
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.5.9-2ubuntu1~vivid2
  version.xserver-xorg-core: xserver-xorg-core 2:1.17.1-0ubuntu3
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0-1ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917-1~exp1ubuntu2.2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2build1
  xserver.bootTime: Fri Sep 18 12:19:00 2015
  xserver.configfile: default
  xserver.devices:
   input        Power Button         KEYBOARD, id 6
   input        Video Bus            KEYBOARD, id 7
   input        Power Button         KEYBOARD, id 8
   input        Logitech K270        KEYBOARD, id 9
   input        Logitech M185        MOUSE, id 10
  xserver.errors:
   Failed to load module "nvidia" (module does not exist, 0)
   Failed to load module "nvidia" (module does not exist, 0)
   NOUVEAU(0): [COPY] failed to allocate class.
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.17.1-0ubuntu3
  xserver.video_driver: nouveau

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