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[One-Man-Bucket <776988@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Binary package hint: compiz

After yesterdays update alt+tab with static app switcher is very laggy
and pressing it a few times sends Xorg cpu usage to 100%.

Tried setting switch delay to zero and use icons only but nothing seems
to help.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: compiz 1:0.9.4+bzr20110415-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
NonfreeKernelModules: nvidia
.proc.driver.nvidia.version:
 NVRM version: NVIDIA UNIX x86_64 Kernel Module  173.14.30  Sat Apr 16 21:49:29 PDT 2011
 GCC version:  gcc version 4.5.2 (Ubuntu/Linaro 4.5.2-8ubuntu4)
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,decor,neg,move,mousepoll,imgjpeg,compiztoolbox,snap,regex,place,imgsvg,text,gnomecompat,resize,grid,imgpng,vpswitch,session,wall,animation,workarounds,expo,ezoom,staticswitcher,fade,scale]
CompositorRunning: compiz
Date: Wed May  4 09:37:05 2011
DistUpgraded: Log time: 2011-04-29 10:44:22.041846
DistroCodename: natty
DistroVariant: ubuntu
DkmsStatus:
 vboxhost, 4.0.0, 2.6.35-28-generic, x86_64: installed 
 nvidia-173, 173.14.30, 2.6.38-8-generic, x86_64: installed 
 nvidia-173, 173.14.30, 2.6.35-28-generic, x86_64: installed
GraphicsCard:
 nVidia Corporation G98 [Quadro FX 370M] [10de:06fb] (rev a1) (prog-if 00 [VGA controller])
   Subsystem: Dell Device [1028:0234]
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
InstallationMedia_: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
JockeyStatus:
 xorg:nvidia_173 - NVIDIA accelerated graphics driver (Proprietary, Enabled, Not in use)
 xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary, Disabled, Not in use)
MachineType: Dell Inc. Precision M2400
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic root=UUID=8d9df03e-1e64-42a1-864c-c1dd881ae65e ro quiet splash vt.handoff=7
ProcVersionSignature_: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Renderer: Unknown
SourcePackage: compiz
UpgradeStatus: Upgraded to natty on 2011-04-29 (4 days ago)
dmi.bios.date: 05/06/2010
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A21
dmi.board.name: 0U698R
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA21:bd05/06/2010:svnDellInc.:pnPrecisionM2400:pvr:rvnDellInc.:rn0U698R:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Precision M2400
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.4+bzr20110415-0ubuntu2
version.ia32-libs: ia32-libs 20090808ubuntu13
version.libdrm2: libdrm2 2.4.23-1ubuntu6
version.libgl1-mesa-dri: libgl1-mesa-dri 7.10.2-0ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.2-0ubuntu2
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg: xserver-xorg 1:7.6+4ubuntu3
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu7.1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu7

** Affects: compiz (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug compiz-0.9 natty regression-update ubuntu

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https://bugs.launchpad.net/bugs/776988

Title:
  alt+tab with static app switcher very slow (100% cpu)