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[d❤vid seaward <1314587@xxxxxxxxxxxxxxxxxx>]

This issue seems to have improved, I presume with package updates since
it was first reported. Animations are generally no longer jerky. Soft
and hard reboot are generally no longer required. Keyboard Shortcuts
appear/disappear smoothly. Remaining problems:

 * Opening the Dash almost never works. Certainly not the first time or
after having other windows have been open for a while. It behaves almost
as though we have switch to the Dash pane, but it hasn't been rendered.
As a workaround, if I open Dash then trigger Guake, Dash appears (with
Guake behind it).

 * Closing or minimising windows generally works, except for the last
window. Closing or minimising the last window fails completely, or
starts the minimise animation but then halts. Either way, despite the
window remaining visible, it is no longer clickable.

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https://bugs.launchpad.net/bugs/1314587

Title:
  Windows slow/stall/freeze when minimizing/restoring/etc in Unity 7
  14.04

Status in “unity” package in Ubuntu:
  Confirmed
Status in “xorg” package in Ubuntu:
  Confirmed

Bug description:
  Steps to reproduce:

   * Minimize current window or alt-tab between windows
   * Reveal launcher to click on application
   * Click `Super` to bring up Dash
   * Hold `Super` to bring up Keyboard Shortcuts

  What should happen:

  Action completes smoothly and quickly.

  What happens instead:

   * Action may be slow / animation jerky.
   * Action may stall (animation frozen on given frame, e.g. window partially minimized) - initiating another action cancels first action and second action may succeed (most often calling Guake with F12 seems to solve the issue)
   * Action may freeze - cursor no longer moves - a soft reboot (Alt+PrtScr+REISUB) usually works, otherwise a hard reboot

  Notes:

   * Not application specific. Minimizing is reliably slow/stalls with minimizing Firefox (including 29, I do not have a lot of bookmarks) or Pidgin, but I use those programs more often.
   * I am using an Nvidia Optimus machine with the default Nouveau driver - no `nvidia-prime`, no Bumblebee. I temporarily installed the latest stable Nvidia driver (including `nvidia-prime`) and it made no difference.
   * I did not experience this issue on the same machine running 13.10 (with Bumblebee).
   * I am running Maximus.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: xorg 1:7.7+1ubuntu8
  ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.14.1-0ubuntu3
  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: Wed Apr 30 12:53:15 2014
  DistUpgraded: Fresh install
  DistroCodename: trusty
  DistroVariant: ubuntu
  DkmsStatus: virtualbox, 4.3.10, 3.13.0-24-generic, x86_64: installed
  ExtraDebuggingInterest: Yes
  GpuHangFrequency: Several times a day
  GpuHangReproducibility: Occurs more often under certain circumstances
  GpuHangStarted: Immediately after installing this version of Ubuntu
  GraphicsCard:
   Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:04b6]
   NVIDIA Corporation GF108M [GeForce GT 525M] [10de:0df5] (rev a1) (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:04b6]
  InstallationDate: Installed on 2014-04-24 (5 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: Dell Inc. Dell System XPS L502X
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=3a8fb3f3-1054-45a0-8ec0-0cbeba33da00 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  Title: Xorg freeze
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/25/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A04
  dmi.board.name: 0YR8NN
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnDellInc.:bvrA04:bd03/25/2011:svnDellInc.:pnDellSystemXPSL502X:pvr:rvnDellInc.:rn0YR8NN:rvrA00:cvnDellInc.:ct8:cvr0.1:
  dmi.product.name: Dell System XPS L502X
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz 1:0.9.11+14.04.20140409-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.52-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0-4ubuntu5
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0-4ubuntu5
  version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
  xserver.bootTime: Wed Apr 30 12:03:43 2014
  xserver.configfile: default
  xserver.errors:
   Failed to load module "nvidia" (module does not exist, 0)
   Failed to load module "nvidia" (module does not exist, 0)
   NOUVEAU(G0): [XvMC] Failed to initialize extension.
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                                8940 
   vendor                                     AUO
  xserver.version: 2:1.15.1-0ubuntu2

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