Running 5.2 on 4 displays and synergy, Unity does not display on all desktop windows

[Chris Johnston]

I have a 4 monitor setup using three different computers and synergy to allow me to use one mouse and keyboard.

Far left monitor is a laptop
next monitor to the right is the "left" monitor to my dual monitor desktop. Also noteworthy, this is the primary monitor on the dual monitor desktop.
next monitor to the right is the "right" monitor to my dual monitor desktop
Far right monitor is a second desktop

When running the new 5.2, when I go between the left and right monitors of my dual monitor desktop, the mouse pauses and Unity is brought to the front. When going from the left monitor on the dual monitor desktop to the far left monitor which is the laptop, the mouse never pauses and Unity is never brought to the front. I have to hit the superkey in order to bring Unity to the front on the left monitor of my dual monitor desktop.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: unity 5.2.0~+bzr1885ubuntu0+626
ProcVersionSignature: Ubuntu 3.2.0-12.21-generic 3.2.2
Uname: Linux 3.2.0-12-generic x86_64
NonfreeKernelModules: nvidia
.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_64 Kernel Module 290.10 Wed Nov 16 17:39:29 PST 2011
 GCC version: gcc version 4.6.2 (Ubuntu/Linaro 4.6.2-12ubuntu1)
.tmp.unity.support.test.0:

ApportVersion: 1.91-0ubuntu1
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,mousepoll,imgpng,move,grid,vpswitch,gnomecompat,place,snap,resize,regex,wall,animation,expo,fade,session,workarounds,scale,ezoom,unityshell]
CompositorRunning: compiz
CurrentDmesg: [ 33.821296] eth0: no IPv6 routers present
Date: Sat Feb 4 11:35:02 2012
DistUpgraded: Log time: 2012-01-24 11:24:22.345452
DistroCodename: precise
DistroVariant: ubuntu
GraphicsCard:
 NVIDIA Corporation G84 [GeForce 8600 GT] [10de:0402] (rev a1) (prog-if 00 [VGA controller])
   Subsystem: NVIDIA Corporation Device [10de:0505]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
JockeyStatus:
 xorg:nvidia_current - NVIDIA accelerated graphics driver (Proprietary, Enabled, In use)
 xorg:nvidia_current_updates - NVIDIA accelerated graphics driver (post-release updates) (Proprietary, Disabled, Not in use)
MachineType: Dell Inc. Inspiron 530
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-12-generic root=UUID=564d609d-9648-4288-a056-66af3a27bee3 ro quiet splash vt.handoff=7
SourcePackage: unity
UpgradeStatus: Upgraded to precise on 2012-02-02 (1 days ago)
dmi.bios.date: 02/24/2009
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.0.18
dmi.board.name: 0FM586
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 3
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: OEM
dmi.modalias: dmi:bvnDellInc.:bvr1.0.18:bd02/24/2009:svnDellInc.:pnInspiron530:pvr:rvnDellInc.:rn0FM586:rvr:cvnDellInc.:ct3:cvrOEM:
dmi.product.name: Inspiron 530
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu8
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.30-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu4
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu4
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.11.3-0ubuntu9
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.99.901-1ubuntu3
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu3
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2