Public bug reported:

I have a dual-screen desktop and drag most windows to be half-screen wide.  I 
dragged the edge of one of them, I think my Firefox browser; around the same 
time I was also repositioning Chromium. My screen got stuck in resize mode. By 
this I mean:
1) The resize overlay is permanently drawn on the screen,
2) If I move the mouse to the edge of any window the resize cursor appears, but 
I cannot resize the window. Nor can I resize any window using the window menu's 
Resize command. Dragging a window to a screen edge to make it half-size still 
works.
3) I cannot bring up the window menu for Firefox by pressing Alt+Space. I can 
bring it up by right-clicking on the Firefox title bar, but same as other 
windows the Resize command does nothing.

I can't get out of this mode!
You can see from the screenshot that the resize overlay is partways away from 
the edge. My recollection is the window was on the screen edge. So maybe 
Unity/compiz got confused between moving and resizing.

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 x86_64
NonfreeKernelModules: wl
.tmp.unity.support.test.0:
 
ApportVersion: 2.6.1-0ubuntu9
Architecture: amd64
CompizPlugins: 
[core,composite,opengl,compiztoolbox,decor,resize,grid,move,snap,gnomecompat,imgpng,workarounds,regex,place,mousepoll,vpswitch,expo,session,ezoom,wall,fade,scale,unityshell]
CompositorRunning: compiz
CurrentDmesg: Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order 
/var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: Permission 
denied
Date: Thu Jan 24 11:36:57 2013
DistUpgraded: 2012-11-16 03:16:10,324 DEBUG enabling apt cron job
DistroCodename: quantal
DistroVariant: ubuntu
GraphicsCard:
 Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 
09) (prog-if 00 [VGA controller])
   Subsystem: Apple Inc. Device [106b:00ea]
InstallationDate: Installed on 2012-07-16 (191 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 
(20120425)
MachineType: Apple Inc. MacBookAir5,2
MarkForUpload: True
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/usr/bin/zsh
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-22-generic 
root=UUID=5b571525-8702-4324-aaf3-b95d10be311a ro quiet splash nointremap 
vt.handoff=7
SourcePackage: unity
UpgradeStatus: Upgraded to quantal on 2012-11-16 (69 days ago)
dmi.bios.date: 07/27/2012
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBA51.88Z.00EF.B01.1207271122
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-2E6FAB96566FE58C
dmi.board.vendor: Apple Inc.
dmi.board.version: MacBookAir5,2
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-2E6FAB96566FE58C
dmi.modalias: 
dmi:bvnAppleInc.:bvrMBA51.88Z.00EF.B01.1207271122:bd07/27/2012:svnAppleInc.:pnMacBookAir5,2:pvr1.0:rvnAppleInc.:rnMac-2E6FAB96566FE58C:rvrMacBookAir5,2:cvnAppleInc.:ct10:cvrMac-2E6FAB96566FE58C:
dmi.product.name: MacBookAir5,2
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
version.compiz: compiz 1:0.9.8.6-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu36
version.libdrm2: libdrm2 2.4.39-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.0-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.0-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu6.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 
1:6.99.99~git20120913.8637f772-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.9-0ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.2-0ubuntu3

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


** Tags: amd64 apport-bug compiz-0.9 quantal running-unity ubuntu

** Attachment added: "permanent resize outline"
   
https://bugs.launchpad.net/bugs/1104391/+attachment/3498914/+files/2013-01-24%20Unity%20stuck%20in%20resize.png

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https://bugs.launchpad.net/bugs/1104391

Title:
  Unity/compiz stuck in resize mode

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