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[Marco Trevisan (Treviño) <mail@xxxxxxxxx>]

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

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https://bugs.launchpad.net/bugs/1104444

Title:
  Ghost windows

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

Bug description:
  This happens at random times.

  - Open several winidows of an application: for example, several terminal windows, or several browser windows.
  - In the launcher, N little white arrows appear on the left of the program's launcher icon, where N is the number of open windows. This is correct.
  - Click on those little arrows

  Expected: the screen greys out and previews of the N open windows of
  the program are shown, one nect to the other, all separate even if the
  real windows are overlapped

  Observed: randomly, sometimes works as expected; sometimes it only
  shows M<N windows, and the others are not shown nor accessible in any
  way. I haven't found ANY way to access that window, except closing all
  the other windows of the same application. Then, when only one is left
  (the "ghost" one), then it will become visible.

  Please don't misassign the importance of this bug. This is huge.

  I have only started observing it since the upgrade to 12.10, but I'm
  not completely sure this is a regression. In 12.04, I used Avant
  Window Navigator, because of the unusability of Unity without an
  additional decent dock-like bar such as AWN. The upgrade to 12.10
  uninstalled AWN without an apparent reason, so I've been using Unity
  without it for a while. So the bug may have already been there.
  before.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: unity 6.12.0-0ubuntu0.2
  ProcVersionSignature: Ubuntu 3.5.0-22.34-generic 3.5.7.2
  Uname: Linux 3.5.0-22-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.6.1-0ubuntu10
  Architecture: i386
  CompizPlugins: [core,composite,opengl,decor,vpswitch,mousepoll,compiztoolbox,snap,commands,place,resize,session,regex,grid,wall,move,gnomecompat,imgpng,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
  Date: Thu Jan 24 21:40:18 2013
  InstallationDate: Installed on 2010-06-23 (946 days ago)
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: unity
  UpgradeStatus: Upgraded to quantal on 2013-01-13 (11 days ago)

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