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[Launchpad Bug Tracker <1036944@xxxxxxxxxxxxxxxxxx>]

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I attached an external monitor to my laptop.  The configuration is to
span the monitors (no mirror):

left monitor: 1680x1050
right monitor: 1920x1200

they are aligned so the top edges match

I spread the workspaces (Super+S) and the display seems wrong.  All of
the workspaces (for both monitors) appear on the left monitor, and about
80% of the workspaces appear on the right monitor.  See attached image.

I expected either a split (50/50) or duplication (100% on both).

Note that when I changed the right monitor's resolution to 1680x1050,
spreading now does a 50/50 split (as expected?).  See second attached
image.

Description:	Ubuntu 12.04.1 LTS
Release:	12.04

unity:
  Installed: 5.14.0-0ubuntu1
  Candidate: 5.14.0-0ubuntu1
  Version table:
 *** 5.14.0-0ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ precise-updates/main i386 Packages
        100 /var/lib/dpkg/status
     5.10.0-0ubuntu6 0
        500 http://us.archive.ubuntu.com/ubuntu/ precise/main i386 Packages

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: unity 5.14.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-29.46-generic-pae 3.2.24
Uname: Linux 3.2.0-29-generic-pae i686
.tmp.unity.support.test.0:
 
ApportVersion: 2.0.1-0ubuntu12
Architecture: i386
CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
CompositorRunning: compiz
Date: Tue Aug 14 23:31:04 2012
DistUpgraded: Fresh install
DistroCodename: precise
DistroVariant: ubuntu
DkmsStatus:
 virtualbox, 4.1.12, 3.2.0-25-generic-pae, i686: installed
 virtualbox, 4.1.12, 3.2.0-26-generic-pae, i686: installed
 virtualbox, 4.1.12, 3.2.0-27-generic-pae, i686: installed
 virtualbox, 4.1.12, 3.2.0-29-generic-pae, i686: installed
GraphicsCard:
 Advanced Micro Devices [AMD] nee ATI M66GL [ATI Mobility FireGL V5250] [1002:71d4] (prog-if 00 [VGA controller])
   Subsystem: Lenovo Device [17aa:20a4]
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: LENOVO 8743CTO
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-29-generic-pae root=UUID=1c974264-624c-4947-8bc7-3ceeeb3035bd ro quiet splash vt.handoff=7
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/16/2008
dmi.bios.vendor: LENOVO
dmi.bios.version: 7IET34WW (1.15 )
dmi.board.name: 8743CTO
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:bvr7IET34WW(1.15):bd07/16/2008:svnLENOVO:pn8743CTO:pvrThinkPadT60p:rvnLENOVO:rn8743CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 8743CTO
dmi.product.version: ThinkPad T60p
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.7.8-0ubuntu1.4
version.libdrm2: libdrm2 2.4.32-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.3-0ubuntu0.1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.3-0ubuntu0.1
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10.7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1.2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4.1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2

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


** Tags: apport-bug compiz-0.9 i386 precise running-unity ubuntu
-- 
Spreading workspaces with multiple monitors displays wrong
https://bugs.launchpad.net/bugs/1036944
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