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[Andrea Azzarone <992765@xxxxxxxxxxxxxxxxxx>]

Can you still reproduce this bug?

** Changed in: unity
       Status: New => Incomplete

** Changed in: unity (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/992765

Title:
  Strange chessboard-like display after wake from suspend-to-RAM in
  Macbook Air 4,2

Status in Unity:
  Incomplete
Status in unity package in Ubuntu:
  Incomplete

Bug description:
  Hi, I woke up my Macbook Air 4,2 from suspend-to-RAM and I realised
  that only chessboard-like "something" was rendered in macbook's LCD
  and I couldn't do anything except reboot to repair it.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: unity 5.10.0-0ubuntu6
  ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
  Uname: Linux 3.2.0-24-generic x86_64
  NonfreeKernelModules: wl
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.0.1-0ubuntu6
  Architecture: amd64
  CompizPlugins: [core,composite,opengl,decor,compiztoolbox,regex,imgpng,place,animation,vpswitch,session,grid,mousepoll,unitymtgrabhandles,resize,gnomecompat,move,wall,workarounds,wobbly,fade,scale,expo,ezoom,unityshell]
  CompositorRunning: compiz
  CurrentDmesg:
   Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order /var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: Permission denied
   dmesg: write failed: Broken pipe
  Date: Tue May  1 20:00:37 2012
  DistUpgraded: Fresh install
  DistroCodename: precise
  DistroVariant: ubuntu
  DkmsStatus: bcmwl, 5.100.82.38+bdcom, 3.2.0-24-generic, x86_64: installed
  DpkgLog:
   
  GraphicsCard:
   Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Apple Inc. Device [106b:00eb]
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64+mac (20120412)
  MachineType: Apple Inc. MacBookAir4,2
  ProcEnviron:
   PATH=(custom, no user)
   LANG=cs_CZ.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.2.0-24-generic root=UUID=0d80827e-6a72-4f28-adbe-6fc585449902 ro rootflags=subvol=@ quiet splash vt.handoff=7
  SourcePackage: unity
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/24/2012
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MBA41.88Z.0077.B0F.1201241549
  dmi.board.asset.tag: Base Board Asset Tag#
  dmi.board.name: Mac-742912EFDBEE19B3
  dmi.board.vendor: Apple Inc.
  dmi.board.version: MacBookAir4,2
  dmi.chassis.type: 10
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-742912EFDBEE19B3
  dmi.modalias: dmi:bvnAppleInc.:bvrMBA41.88Z.0077.B0F.1201241549:bd01/24/2012:svnAppleInc.:pnMacBookAir4,2:pvr1.0:rvnAppleInc.:rnMac-742912EFDBEE19B3:rvrMacBookAir4,2:cvnAppleInc.:ct10:cvrMac-742912EFDBEE19B3:
  dmi.product.name: MacBookAir4,2
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.
  version.compiz: compiz 1:0.9.7.6-0ubuntu1
  version.ia32-libs: ia32-libs 20090808ubuntu35
  version.libdrm2: libdrm2 2.4.32-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.2-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.2-0ubuntu3
  version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1
  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
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2

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