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[Andrea Azzarone <985932@xxxxxxxxxxxxxxxxxx>]

Can you still reproduce this bug?

** Changed in: unity
       Status: New => Incomplete

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

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https://bugs.launchpad.net/bugs/985932

Title:
  ALT-` and ALT-TAB shows windows from other workspaces

Status in Unity:
  Incomplete
Status in unity package in Ubuntu:
  Incomplete

Bug description:
  If you place one app window on left workspace and another window of
  the same app on right workspace maximised vertically on right side,
  when you switch back to left workspace, select app window and press
  ALT-Grave - the preview of two windows is shown. This cause
  misunderstanding of the quantity of app windows belonging to current
  workspace and if you select another window preview - causes window to
  move to current workspace.

  Steps to reproduce:
  1. Open terminal window on left workspace (through launcher or "CTRL - ALT - T"). Position doesn't matter.
  2. Switch to the parallel right workspace ("CTRL- ALT- Right Arrow").
  3. Open terminal on this workspace.
  4. Maximise it vertically on right side ("CTRL - SUPER - Right arrow").
  5. Switch back to left workspace ("CTRL - ALT - Left Arrow"), select app window (sometimes it happen not being selected) and press "ALT - Grave" ("ALT - `"). Two windows from both workspaces displayed in preview.

  Exptected result: only windows belonging to active workspace should be
  displayed in preview.

  Observations:
  1. It only happens when window is maximised on right side of workspace, in other positions (CTRL - SUPER - Left Arrow, CTRL - ALT - Num 7, CTRL - ALT - Num 9, etc) bug seems not to appear.
  2. It only affects app windows from horizontally parallel workspaces.
  3. So far I noticed this bug only in gnome apps (Terminal, Gedit). Firefox or Chromium are not affected by it.

  Not sure:
  When I've created another user to test this bug. It seemed like on first two logins this bug didn't appear. But not sure.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: unity 5.10.0-0ubuntu6
  ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
  Uname: Linux 3.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  .proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0'
  .proc.driver.nvidia.registry: Binary: ""
  .proc.driver.nvidia.version:
   NVRM version: NVIDIA UNIX x86_64 Kernel Module  295.40  Thu Apr  5 21:37:00 PDT 2012
   GCC version:  gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu4)
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.0.1-0ubuntu5
  Architecture: amd64
  CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
  CompositorRunning: compiz
  Date: Fri Apr 20 00:43:52 2012
  DistUpgraded: Fresh install
  DistroCodename: precise
  DistroVariant: ubuntu
  DkmsStatus:
   nvidia-current, 295.40, 3.2.0-20-generic, x86_64: installed
   nvidia-current, 295.40, 3.2.0-23-generic, x86_64: installed
   nvidia-current-updates, 295.40, 3.2.0-20-generic, x86_64: installed
   nvidia-current-updates, 295.40, 3.2.0-23-generic, x86_64: installed
  GraphicsCard:
   NVIDIA Corporation C79 [GeForce G102M] [10de:0873] (rev b1) (prog-if 00 [VGA controller])
     Subsystem: ASUSTeK Computer Inc. Device [1043:19b4]
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120328)
  JockeyStatus:
   xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary, Disabled, Not in use)
   xorg:nvidia_current_updates - NVIDIA accelerated graphics driver (post-release updates) (Proprietary, Enabled, In use)
  Lsusb:
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 001 Device 003: ID 152d:2329 JMicron Technology Corp. / JMicron USA Technology Corp. JM20329 SATA Bridge
   Bus 001 Device 004: ID 04f2:b071 Chicony Electronics Co., Ltd 2.0M UVC Webcam / CNF7129
   Bus 002 Device 002: ID 046d:c52f Logitech, Inc. Wireless Mouse M305
  MachineType: ASUSTeK Computer Inc. K50IN
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-23-generic root=UUID=43239072-5f8e-4e17-a8de-79e1b55cda9e ro quiet splash vt.handoff=7
  SourcePackage: unity
  UpgradeStatus: No upgrade log present (probably fresh install)
  XorgConf:
   Section "Device"
   	Identifier	"Default Device"
   	Option	"NoLogo"	"True"
   EndSection
  dmi.bios.date: 07/05/2011
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 223
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: K50IN
  dmi.board.vendor: ASUSTeK Computer Inc.
  dmi.board.version: 1.0
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK Computer Inc.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr223:bd07/05/2011:svnASUSTeKComputerInc.:pnK50IN:pvr1.0:rvnASUSTeKComputerInc.:rnK50IN:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr:
  dmi.product.name: K50IN
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK Computer Inc.
  version.compiz: compiz 1:0.9.7.6-0ubuntu1
  version.ia32-libs: ia32-libs 20090808ubuntu35
  version.libdrm2: libdrm2 2.4.32-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.2-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.2-0ubuntu3
  version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2

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