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[Bug 740104] [NEW] Windows appear in the window list on adjacent workspaces


Public bug reported:

Binary package hint: compiz

I have 6 workspaces arranged in a line from left to right, with various
windows open on each one.

After upgrading to Natty, I found that the window list on the bottom
panel started to behave strangely: it lists some of the windows from
adjacent workspaces. For example, I have Gwibber open on workspace 2,
but it appears in the window list for workspace 2 AND 3. A nautilus
window open on workspace 4 is showing in the window list on workspace 5
where my browser is. X-chat from workspace 2 appears in the window list
on workspace 1.

This seems to happen when the window is near the edge of the screen, but
doesn't affect all windows. Dragging the window to the center of the
workspace makes the problem go away for that window. If the window is
maximized, unmaximizing and then maximizing again will make the problem
go away for that window.

In the attached screenshot you can see X-chat open on workspace 2, but
appearing in the window list on workspace 1.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: compiz 1:0.9.4-0ubuntu7
ProcVersionSignature: Ubuntu 2.6.38-7.36-generic 2.6.38
Uname: Linux 2.6.38-7-generic x86_64
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
 status: disconnected
 enabled: disabled
 dpms: Off
 status: connected
 enabled: enabled
 dpms: Off
 modes: 1680x1050 1680x1050
 status: connected
 enabled: enabled
 dpms: On
 modes: 1920x1200 1600x1200 1680x1050 1280x1024 1440x900 1280x960 1280x800 1024x768 800x600 800x600 640x480
Date: Tue Mar 22 10:43:11 2011
DistroCodename: natty
DistroVariant: ubuntu
 Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (primary) [8086:2a02] (rev 0c) (prog-if 00 [VGA controller])
   Subsystem: Lenovo T61 [17aa:20b5]
   Subsystem: Lenovo T61 [17aa:20b5]
MachineType: LENOVO 6465CTO
 Socket 0:
   no product info available
 Socket 0:
   no card
 PATH=(custom, user)
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic root=UUID=305dde78-d20a-4248-aaf4-09447b7c5791 ro quiet splash vt.handoff=7
ProcVersionSignature_: Ubuntu 2.6.38-7.36-generic 2.6.38
Renderer: Unknown
SourcePackage: compiz
UpgradeStatus: Upgraded to natty on 2011-02-10 (39 days ago)
XorgConf: Error: [Errno 13] Permission denied: '/etc/X11/xorg.conf'
dmi.bios.date: 01/21/2008
dmi.bios.vendor: LENOVO
dmi.bios.version: 7LETB0WW (2.10 )
dmi.board.name: 6465CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr7LETB0WW(2.10):bd01/21/2008:svnLENOVO:pn6465CTO:pvrThinkPadT61:rvnLENOVO:rn6465CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 6465CTO
dmi.product.version: ThinkPad T61
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.4-0ubuntu7
version.libdrm2: libdrm2 2.4.23-1ubuntu5
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.1-0ubuntu3
version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu11
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu6

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

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

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  Windows appear in the window list on adjacent workspaces

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