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[xeo <1390625@xxxxxxxxxxxxxxxxxx>]

I'm facing the same problem ... It seems only drag-mouse-cursor is
affected.

Changing resolution as suggested above doesn't work for working with
gmaps. The cursor is always corrupted ...

First time it happened was after inserting two Radeon HD5450 graphics
adapters and xrandr-ing resolutions for a three monitor setup.

I also tried to change the mouse-cursor theme but it didn't help ...


** Attachment added: "10998796_653378784794657_1503853149_o.jpg"
   https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1390625/+attachment/4325673/+files/10998796_653378784794657_1503853149_o.jpg

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https://bugs.launchpad.net/bugs/1390625

Title:
  mouse cursor gets corrupted

Status in Unity:
  Confirmed
Status in unity package in Ubuntu:
  Confirmed

Bug description:
  In Ubuntu 14.10, the mouse cursor graphic gets corrupted under certain
  occasions. It then looks flipped, sheared or shows fragments of a
  previous cursor.

  * when switching the cursor them forth and back in Gnome Tweak Tool
  * when drag&dropping a document icon

  Maybe related, the cursor does not always show the correct image scale
  on a high-dpi display (this was working right in 14.04). For example
  after login, or when hovering specific areas, or on mouse down to
  start a drag&drop, the cursor appears 1/4 the expected size.

  Attached is a photo of a corrupted cursor (whereas a screenshot with
  Gimp showed the uncorrupted cursor).

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: unity 7.3.1+14.10.20141016-0ubuntu1
  ProcVersionSignature: Ubuntu 3.16.0-24.32-generic 3.16.4
  Uname: Linux 3.16.0-24-generic x86_64
  .tmp.unity.support.test.0:

  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  BootLog:
   * Setting up X socket directories...       
  [ OK ]
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  CurrentDesktop: Unity
  Date: Fri Nov  7 22:12:52 2014
  DistUpgraded: 2014-11-04 18:35:56,188 DEBUG enabling apt cron job
  DistroCodename: utopic
  DistroVariant: ubuntu
  EcryptfsInUse: Yes
  GraphicsCard:
   Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Lenovo Device [17aa:3978]
  InstallationDate: Installed on 2014-02-02 (278 days ago)
  InstallationMedia: Ubuntu-GNOME 14.04 "Trusty Tahr" - Alpha amd64 (20140201)
  MachineType: LENOVO 20266
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-24-generic.efi.signed root=UUID=4bfb3686-b9f7-487d-81f6-eceb41097ad9 ro quiet splash acpi_backlight=vendor
  SourcePackage: unity
  UpgradeStatus: Upgraded to utopic on 2014-11-04 (3 days ago)
  dmi.bios.date: 10/31/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 76CN31WW
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: Yoga2
  dmi.board.vendor: LENOVO
  dmi.board.version: 31900058STD
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo Yoga 2 Pro
  dmi.modalias: dmi:bvnLENOVO:bvr76CN31WW:bd10/31/2013:svnLENOVO:pn20266:pvrLenovoYoga2Pro:rvnLENOVO:rnYoga2:rvr31900058STD:cvnLENOVO:ct10:cvrLenovoYoga2Pro:
  dmi.product.name: 20266
  dmi.product.version: Lenovo Yoga 2 Pro
  dmi.sys.vendor: LENOVO
  version.compiz: compiz 1:0.9.12+14.10.20140918-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.56-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.3.0-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.3.0-0ubuntu3
  version.xserver-xorg-core: xserver-xorg-core 2:1.16.0-1ubuntu1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.4.0-2ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.914-1~exp1ubuntu4
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2
  xserver.bootTime: Fri Nov  7 14:54:59 2014
  xserver.configfile: /etc/X11/xorg.conf
  xserver.errors: [dix] ELAN Touchscreen: unable to find touch point 1
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                               16970
   vendor                                     SDC
  xserver.version: 2:1.16.0-1ubuntu1

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