For the record, I was able to reproduce this and fixed it accordingly
On Oct 8, 2011 2:57 AM, "David Barth" <email address hidden> wrote:

> I can't reproduce the issue with the patch applied, and made available
> in http://launchpad.net/~unity-team/+archive/compiz-testing. I did not
> reproduce the issue with a previous version, so I would like some
> feedback from people who did reproduce the issue with the previous
> version. Thanks
>
> --
> You received this bug notification because you are a bug assignee.
> https://bugs.launchpad.net/bugs/869316
>
> Title:
>  reproducible stacking bug in compiz
>
> Status in Compiz:
>  Fix Committed
> Status in Unity:
>  Fix Committed
> Status in “unity” package in Ubuntu:
>  Fix Committed
>
> Bug description:
>  steps:
>  1. open an impress presentation
>  2. open Desktop Recorder
>  3. put impress into presentation mode
>  4. alt-tab to Desktop Recorder and start recording
>  5. view the presentation
>  6. use the keyboard to switch to another workspace
>  7. use the Desktop Recorder indicator to stop recording
>  8. cancel the encoding of the video
>  9. use the keyboard to switch back to the first workspace
>  10. use escape to dismiss the presentation
>
>  Result:
>  Launcher, alt-tab, and dash all now appear under apps
>  Restarting unity fixes it
>
>  ProblemType: Bug
>  DistroRelease: Ubuntu 11.10
>  Package: unity 4.22.0-0ubuntu2
>  ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
>  Uname: Linux 3.0.0-12-generic x86_64
>  .tmp.unity.support.test.0:
>
>  ApportVersion: 1.23-0ubuntu2
>  Architecture: amd64
>  CompizPlugins:
> [core,bailer,detection,composite,opengl,decor,grid,regex,compiztoolbox,vpswitch,animation,place,resize,session,imgpng,mousepoll,move,snap,gnomecompat,unitymtgrabhandles,wall,workarounds,fade,expo,ezoom,scale,unityshell]
>  CompositorRunning: compiz
>  Date: Thu Oct  6 18:14:42 2011
>  DistUpgraded: Fresh install
>  DistroCodename: oneiric
>  DistroVariant: ubuntu
>  GraphicsCard:
>   Intel Corporation 2nd Generation Core Processor Family Integrated
> Graphics Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
>     Subsystem: ASUSTeK Computer Inc. Device [1043:15f2]
>   nVidia Corporation GF106 [GeForce GT 555M] [10de:0df4] (rev a1) (prog-if
> 00 [VGA controller])
>     Subsystem: ASUSTeK Computer Inc. Device [1043:15f2]
>  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110919)
>  MachineType: ASUSTeK Computer Inc. K53SV
>  ProcEnviron:
>   PATH=(custom, no user)
>   LANG=en_US.UTF-8
>   SHELL=/bin/bash
>  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic
> root=UUID=68acdf0d-02e3-4c78-9bd6-ea98eef41652 ro quiet splash vt.handoff=7
>  SourcePackage: unity
>  UpgradeStatus: No upgrade log present (probably fresh install)
>  dmi.bios.date: 06/17/2011
>  dmi.bios.vendor: American Megatrends Inc.
>  dmi.bios.version: K53SV.302
>  dmi.board.asset.tag: To be filled by O.E.M.
>  dmi.board.name: K53SV
>  dmi.board.vendor: ASUSTeK Computer Inc.
>  dmi.board.version: 1.0
>  dmi.chassis.asset.tag: No Asset Tag
>  dmi.chassis.type: 9
>  dmi.chassis.vendor: ASUSTeK Computer Inc.
>  dmi.chassis.version: 1.0
>  dmi.modalias:
> dmi:bvnAmericanMegatrendsInc.:bvrK53SV.302:bd06/17/2011:svnASUSTeKComputerInc.:pnK53SV:pvr1.0:rvnASUSTeKComputerInc.:rnK53SV:rvr1.0:cvnASUSTeKComputerInc.:ct9:cvr1.0:
>  dmi.product.name: K53SV
>  dmi.product.version: 1.0
>  dmi.sys.vendor: ASUSTeK Computer Inc.
>  version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu3
>  version.ia32-libs: ia32-libs 20090808ubuntu25
>  version.libdrm2: libdrm2 2.4.26-1ubuntu1
>  version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3
>  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
>  version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3
>  version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu7
>  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev
> 1:2.6.0-1ubuntu13
>  version.xserver-xorg-video-ati: xserver-xorg-video-ati
> 1:6.14.99~git20110811.g93fc084-0ubuntu1
>  version.xserver-xorg-video-intel: xserver-xorg-video-intel
> 2:2.15.901-1ubuntu2
>  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
> 1:0.0.16+git20110411+8378443-1
>
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>