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[Lightnin <amos.blanton@xxxxxxxxx>]

Public bug reported:

Binary package hint: xorg

Steps to reproduce.
1. Put machine to sleep.
2. Plugin external monitor of higher resolution than laptop monitor (via external VGA port).
3. Wake computer.

Lower / left portions of desktop are displayed properly. Areas above and to the left of the desktop (that correspond to x,y values greater than the original screen size) do not repaint properly. They continue to display whatever content / application has been overlaid on them. See screenshot.
 

Possibly related config setting: The computer has been told to turn off
laptop monitor when external screen is present.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: xorg 1:7.6+4ubuntu3
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,staticswitcher,resize,fade,unitymtgrabhandles,scale,session,unityshell]
CompositorRunning: compiz
DRM.card0.DVI.D.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes: 
 edid-base64:
DRM.card0.LVDS.1:
 status: connected
 enabled: enabled
 dpms: Off
 modes: 1280x800 1280x800
 edid-base64: AP///////wAwrjFAAAAAAAEQAQOAHhN46ofFlFdPjCclUFQAAAABAQEBAQEBAQEBAQEBAQEBDRsAfFAgFjAwIDYAML4QAAAYixYAfFAgFjAwIDYAML4QAAAYAAAADwCBCjKBCigSAQAGr0RHAAAA/gBCMTQxRVcwNCBWNyAKAJk=
DRM.card0.VGA.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1680x1050 1600x1200 1280x1024 1280x1024 1440x900 1440x900 1280x960 1152x864 1024x768 1024x768 1024x768 832x624 800x600 800x600 800x600 800x600 640x480 640x480 640x480 640x480 720x400
 edid-base64: AP///////wBaYySCAQEBASwUAQMYLx54Lnj1plVImyYSUFS/74CpQJUPlQCBgIFAcU8BAQEBITmQMGIaJ0BosDYA2igRAAAcAAAA/wBSTUIxMDQ0MDIwNzgKAAAA/QAySxhSEQAKICAgICAgAAAA/ABWQTIyMzIgU2VyaWVzAH8=
Date: Tue May 10 13:06:00 2011
DistUpgraded: Fresh install
DistroCodename: natty
DistroVariant: ubuntu
GraphicsCard:
 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]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
MachineType: LENOVO 77333BU
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic root=UUID=b71a77eb-9c43-4702-bdd0-eca60ac6a3df ro quiet splash vt.handoff=7
Renderer: Unknown
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/08/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 7LETC7WW (2.27 )
dmi.board.name: 77333BU
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:bvr7LETC7WW(2.27):bd04/08/2010:svnLENOVO:pn77333BU:pvrThinkPadR61:rvnLENOVO:rn77333BU:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 77333BU
dmi.product.version: ThinkPad R61
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.4+bzr20110415-0ubuntu2
version.ia32-libs: ia32-libs 20090808ubuntu13
version.libdrm2: libdrm2 2.4.23-1ubuntu6
version.libgl1-mesa-dri: libgl1-mesa-dri 7.10.2-0ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.2-0ubuntu2
version.xserver-xorg: xserver-xorg 1:7.6+4ubuntu3
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu7.1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu7

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


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

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https://bugs.launchpad.net/bugs/780648

Title:
  Fail to repaint screen when external monitor attached while sleeping