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[Steve Magoun <1307559@xxxxxxxxxxxxxxxxxx>]

@Marco:

Below is debug output from running compiz --replace. I ran this command
with the external monitor already plugged in. After restarting compiz,
the window decorations draw correctly on both screens.

1) Plug in external monitor
2) Open a terminal
3) Type compiz --replace. UI becomes unresponsive (the mouse still moved around, but I couldn't interact with windows)
4) I switched to another VT to see what was happening. top reported apport was running
5) I switched back to VT7; compiz restarted


steve@aether:~$ compiz --replace
compiz (core) - Info: Loading plugin: core
compiz (core) - Info: Starting plugin: core
compiz (core) - Info: Loading plugin: ccp
compiz (core) - Info: Starting plugin: ccp
compizconfig - Info: Backend     : gsettings
compizconfig - Info: Integration : true
compizconfig - Info: Profile     : unity
compiz (core) - Info: Loading plugin: composite
compiz (core) - Info: Starting plugin: composite
compiz (core) - Info: Loading plugin: opengl
compiz (core) - Info: Unity is fully supported by your hardware.
compiz (core) - Info: Unity is fully supported by your hardware.
compiz (core) - Info: Starting plugin: opengl
compiz (core) - Info: Loading plugin: copytex
compiz (core) - Info: Starting plugin: copytex
compiz (core) - Info: Loading plugin: imgpng
compiz (core) - Info: Starting plugin: imgpng
compiz (core) - Info: Loading plugin: move
compiz (core) - Info: Starting plugin: move
compiz (core) - Info: Loading plugin: place
compiz (core) - Info: Starting plugin: place
compiz (core) - Info: Loading plugin: commands
compiz (core) - Info: Starting plugin: commands
compiz (core) - Info: Loading plugin: vpswitch
compiz (core) - Info: Starting plugin: vpswitch
compiz (core) - Info: Loading plugin: mousepoll
compiz (core) - Info: Starting plugin: mousepoll
compiz (core) - Info: Loading plugin: resize
compiz (core) - Info: Starting plugin: resize
compiz (core) - Info: Loading plugin: compiztoolbox
compiz (core) - Info: Starting plugin: compiztoolbox
compiz (core) - Info: Loading plugin: regex
compiz (core) - Info: Starting plugin: regex
compiz (core) - Info: Loading plugin: grid
compiz (core) - Info: Starting plugin: grid
compiz (core) - Info: Loading plugin: snap
compiz (core) - Info: Starting plugin: snap
compiz (core) - Info: Loading plugin: wall
compiz (core) - Info: Starting plugin: wall
compiz (core) - Info: Loading plugin: unitymtgrabhandles
compiz (core) - Info: Starting plugin: unitymtgrabhandles
compiz (core) - Info: Loading plugin: session
compiz (core) - Info: Starting plugin: session
compiz (core) - Info: Loading plugin: animation
compiz (core) - Info: Starting plugin: animation
compiz (core) - Info: Loading plugin: expo
compiz (core) - Info: Starting plugin: expo
compiz (core) - Info: Loading plugin: workarounds
compiz (core) - Info: Starting plugin: workarounds
compiz (core) - Info: Loading plugin: fade
compiz (core) - Info: Starting plugin: fade
compiz (core) - Info: Loading plugin: ezoom
compiz (core) - Info: Starting plugin: ezoom
compiz (core) - Info: Loading plugin: scale
compiz (core) - Info: Starting plugin: scale
compiz (core) - Info: Loading plugin: unityshell
compiz (core) - Info: Starting plugin: unityshell
WARN  2014-04-14 11:54:47 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'org.gnome.Shell' yet as we don't have a connection, waiting for it...
ERROR 2014-04-14 11:54:47 unity.debug.interface DebugDBusInterface.cpp:196 Unable to load entry point in libxpathselect: libxpathselect.so.1.4: cannot open shared object file: No such file or directory
WARN  2014-04-14 11:54:47 xim.controller XIMController.cpp:103 IBus natively supported.
WARN  2014-04-14 11:54:47 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'com.canonical.Unity.Launcher' yet as we don't have a connection, waiting for it...
WARN  2014-04-14 11:54:47 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'com.canonical.Unity.Dash' yet as we don't have a connection, waiting for it...
WARN  2014-04-14 11:54:48 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'org.gnome.SessionManager.EndSessionDialog' yet as we don't have a connection, waiting for it...
WARN  2014-04-14 11:54:48 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'com.canonical.Unity.Session' yet as we don't have a connection, waiting for it...
WARN  2014-04-14 11:54:48 unity.glib.dbus.server GLibDBusServer.cpp:579 Can't register object 'org.gnome.ScreenSaver' yet as we don't have a connection, waiting for it...
ERROR 2014-04-14 11:54:48 unity.glib.dbus.server GLibDBusServer.cpp:524 DBus name lost 'org.gnome.Shell'
ERROR 2014-04-14 11:54:48 unity.glib.dbus.server GLibDBusServer.cpp:524 DBus name lost 'com.canonical.Unity'

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https://bugs.launchpad.net/bugs/1307559

Title:
  Window decorations not drawn on external monitor

Status in “unity” package in Ubuntu:
  New

Bug description:
  Window decorations (close / minimize / maximize buttons) do not draw
  on the external monitor on a laptop with external display. Windows on
  the laptop display are not affected.

  UI scale on the built-in display is 1.25; it's 1.0 on the external
  display. I am not sure if this is relevant.

  To reproduce:
  1) Plug in an external monitor to a laptop; ensure that it is running in extended display mode
  2) Launch an application such as the terminal
  3) The terminal launches on the laptop's built-in display. Observe the window decorations draw as expected
  4) Drag the terminal window to the second display

  Expected results;
  The terminal window is drawn on the extended display

  Actual results:
  The terminal window is drawn on the extended display but the close, minimize, and maximize buttons are missing.

  The problem happens on windows from all applications I've tried
  (firefox, terminal, emacs, thunderbird)

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: unity 7.2.0+14.04.20140411-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.14.1-0ubuntu2
  Architecture: amd64
  CompizPlugins: [core,commands,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
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  CurrentDesktop: Unity
  Date: Mon Apr 14 10:56:46 2014
  DistUpgraded: 2014-02-12 13:40:42,704 DEBUG enabling apt cron job
  DistributionChannelDescriptor:
   # This is a distribution channel descriptor
   # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-somerville-precise-amd64-20130203-1
  DistroCodename: trusty
  DistroVariant: ubuntu
  DkmsStatus:
   fwts-efi-runtime-dkms, 14.03.01, 3.13.0-23-generic, x86_64: installed
   fwts-efi-runtime-dkms, 14.03.01, 3.13.0-24-generic, x86_64: installed
   virtualbox, 4.3.10, 3.13.0-23-generic, x86_64: installed
   virtualbox, 4.3.10, 3.13.0-24-generic, x86_64: installed
  EcryptfsInUse: Yes
  GraphicsCard:
   Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:060a]
  InstallationDate: Installed on 2013-12-02 (132 days ago)
  InstallationMedia: Ubuntu 12.04 "Precise" - Build amd64 LIVE Binary 20130203-13:50
  MachineType: Dell Inc. XPS13 9333
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=0b9db31c-747b-40ad-bbbd-13a9a29caece ro quiet splash vt.handoff=7
  SourcePackage: unity
  UpgradeStatus: Upgraded to trusty on 2014-02-12 (60 days ago)
  dmi.bios.date: 11/11/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A01
  dmi.board.name: 0GFTRT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnDellInc.:bvrA01:bd11/11/2013:svnDellInc.:pnXPS139333:pvr:rvnDellInc.:rn0GFTRT:rvrA00:cvnDellInc.:ct8:cvr0.1:
  dmi.product.name: XPS13 9333
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz 1:0.9.11+14.04.20140409-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.52-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0-4ubuntu4
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0-4ubuntu4
  version.xserver-xorg-core: xserver-xorg-core 2:1.15.0-1ubuntu7
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
  xserver.bootTime: Mon Apr 14 08:54:29 2014
  xserver.configfile: default
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                                4933 
   vendor                                     CMN
  xserver.version: 2:1.15.0-1ubuntu7

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