** Description changed:

  With a hidpi scaling greater or equal than 2 there is graphical
  corruption of the window borders in gtk3 apps.
  
  Steps to reproduce:
  
  1. Set hidpi scaling to 2.
  2. Enlarge a window for nautilus or eye of gnome. Probably it is necessary to 
do resize the window more than one time to spot the problem.
- 3. See corrupted window border on the right and/or the buttom.
+ 3. See corrupted window border on the right and/or the bottom.
  
  Expected behavior:
  Clean rendering
  
  Ubuntu 14.10 64 Bit
  Compiz 0.9.12+14.10.20140918-0ubuntu1
  Unity 7.3.1+14.10.20141016-0ubuntu1
  
  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
  NonfreeKernelModules: nvidia
  .proc.driver.nvidia.gpus.0: Error: [Errno 21] Ist ein Verzeichnis: 
'/proc/driver/nvidia/gpus/0'
  .proc.driver.nvidia.registry: Binary: ""
  .proc.driver.nvidia.version:
-  NVRM version: NVIDIA UNIX x86_64 Kernel Module  331.89  Tue Jul  1 13:30:18 
PDT 2014
-  GCC version:  gcc version 4.9.1 (Ubuntu 4.9.1-16ubuntu6)
+  NVRM version: NVIDIA UNIX x86_64 Kernel Module  331.89  Tue Jul  1 13:30:18 
PDT 2014
+  GCC version:  gcc version 4.9.1 (Ubuntu 4.9.1-16ubuntu6)
  .tmp.unity.support.test.0:
-  
+ 
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  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: Sat Nov 15 16:36:40 2014
  DistUpgraded: Fresh install
  DistroCodename: utopic
  DistroVariant: ubuntu
  GraphicsCard:
-  NVIDIA Corporation GK106 [GeForce GTX 660] [10de:11c0] (rev a1) (prog-if 00 
[VGA controller])
-    Subsystem: Gigabyte Technology Co., Ltd Device [1458:354e]
+  NVIDIA Corporation GK106 [GeForce GTX 660] [10de:11c0] (rev a1) (prog-if 00 
[VGA controller])
+    Subsystem: Gigabyte Technology Co., Ltd Device [1458:354e]
  InstallationDate: Installed on 2014-11-12 (2 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  MachineType: Gigabyte Technology Co., Ltd. GA-990FXA-D3
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-24-generic 
root=UUID=2a652086-a4da-44ed-ae7f-7b994401ef8b ro quiet splash
  SourcePackage: unity
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/30/2012
  dmi.bios.vendor: Award Software International, Inc.
  dmi.bios.version: F7
  dmi.board.name: GA-990FXA-D3
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.modalias: 
dmi:bvnAwardSoftwareInternational,Inc.:bvrF7:bd05/30/2012:svnGigabyteTechnologyCo.,Ltd.:pnGA-990FXA-D3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-990FXA-D3:rvr:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
  dmi.product.name: GA-990FXA-D3
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.
  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.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
  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: Sat Nov 15 15:00:14 2014
  xserver.configfile: default
  xserver.errors: open /dev/fb0: No such file or directory
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
-  
+ 
  xserver.version: 2:1.16.0-1ubuntu1

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https://bugs.launchpad.net/bugs/1393024

Title:
  Graphical corruption with hidpi scaling

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