you can disable 'show minimized windows in switcher' in ccsm unity
compiz plugin as a workaround for now.

On Wed, Sep 14, 2011 at 3:31 PM, stiss <email address hidden> wrote:
> ** Also affects: unity
>   Importance: Undecided
>       Status: New
>
> --
> You received this bug notification because you are subscribed to unity.
> https://bugs.launchpad.net/bugs/849193
>
> Title:
>  focus on window very slow
>
> Status in Unity:
>  New
> Status in “unity” package in Ubuntu:
>  Confirmed
>
> Bug description:
>  when switching between opened windows, I have to wait for 5-10 to pass before I can get a response from the window.
>   the way reproduce it is not well define yet :
>  here is how I  manage to reproduce it :
>
>  1 -  have at least two windows opened , but for better results have at least 3, all not maximized . ( see the pic attached)
>  2- minimize one of the windows  and restore it.
>  3- now try to change the focused window to another one only with the mouse by try to clicked on the window behind another one.    From now you should have noticed the bug I'm describing right now.
>
>  Note: in the attached pic, Chromium browser is maximised but I can not
>  give it the focused by clicking on it. for that task I have to alt-tab
>  it .
>
>  ProblemType: Bug
>  DistroRelease: Ubuntu 11.10
>  Package: unity 4.14.2-0ubuntu2
>  ProcVersionSignature: Ubuntu 3.0.0-10.16-generic 3.0.4
>  Uname: Linux 3.0.0-10-generic i686
>  NonfreeKernelModules: nvidia
>  .proc.driver.nvidia.agp.gpu:
>   Fast Writes:          Supported
>   SBA:                  Supported
>   AGP Rates:    8x 4x
>   Registers:    0xff000e1b:0x1f004302
>  .proc.driver.nvidia.agp.host.bridge:
>   Host Bridge:          PCI device 8086:2570
>   Fast Writes:          Supported
>   SBA:                  Supported
>   AGP Rates:    8x 4x
>   Registers:    0x1f004a1b:0x00000b02
>  .proc.driver.nvidia.agp.status:
>   Status:       Enabled
>   Driver:       AGPGART
>   AGP Rate:     8x
>   Fast Writes:          Disabled
>   SBA:                  Enabled
>  .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 Kernel Module  280.13  Wed Jul 27 16:55:43 PDT 2011
>   GCC version:  gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-9ubuntu2)
>  .tmp.unity.support.test.0:
>
>  ApportVersion: 1.22.1-0ubuntu2
>  Architecture: i386
>  CompizPlugins: [core,bailer,detection,composite,opengl,decor,snap,vpswitch,regex,resize,place,grid,gnomecompat,compiztoolbox,imgpng,mousepoll,move,session,unitymtgrabhandles,animation,expo,thumbnail,wall,workarounds,ezoom,fade,scale,unityshell]
>  CompositorRunning: compiz
>  Date: Tue Sep 13 18:13:50 2011
>  DistUpgraded: Fresh install
>  DistroCodename: oneiric
>  DistroVariant: ubuntu
>  DkmsStatus:
>   nvidia-current, 280.13, 3.0.0-10-generic, i686: installed
>   nvidia-current, 280.13, 3.0.0-9-generic, i686: installed
>   nvidia-current-updates, 280.13, 3.0.0-10-generic, i686: installed
>   nvidia-current-updates, 280.13, 3.0.0-9-generic, i686: installed
>  GraphicsCard:
>   nVidia Corporation NV44A [GeForce 6200] [10de:0221] (rev a1) (prog-if 00 [VGA controller])
>     Subsystem: Device [196e:02f3]
>  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110901)
>  MachineType: Sony Corporation PCV-RSM22(CE)
>  ProcEnviron:
>   PATH=(custom, no user)
>   LANG=en_US.UTF-8
>   SHELL=/bin/bash
>  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-10-generic root=UUID=a12469e8-5971-4185-963c-b43beed40cd5 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: 06/26/2003
>  dmi.bios.vendor: American Megatrends Inc.
>  dmi.bios.version: 1006
>  dmi.board.name: P4SD-VX
>  dmi.board.vendor: ASUSTek Computer Inc.
>  dmi.board.version: To be filled by O.E.M.
>  dmi.chassis.asset.tag: Asset-1234567890
>  dmi.chassis.type: 3
>  dmi.chassis.vendor: To Be Filled By O.E.M.
>  dmi.chassis.version: RS
>  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1006:bd06/26/2003:svnSonyCorporation:pnPCV-RSM22(CE):pvrToBeFilledByO.E.M.:rvnASUSTekComputerInc.:rnP4SD-VX:rvrTobefilledbyO.E.M.:cvnToBeFilledByO.E.M.:ct3:cvrRS:
>  dmi.product.name: PCV-RSM22(CE)
>  dmi.product.version: To Be Filled By O.E.M.
>  dmi.sys.vendor: Sony Corporation
>  version.compiz: compiz 1:0.9.5.94+bzr2803-0ubuntu1
>  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.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
>  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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>