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["Joshua R. Poulson" <jrp@xxxxxxx>]

And today, Chris has updated that PPA. I'm running
1:0.9.11.3+14.04.20141104-0ubuntu1ppa1 and the flickering has gone. This
seems pretty definitive. Is there a chance that upstream (which I know
is a loaded discussion when it comes to compiz) will accept it?

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https://bugs.launchpad.net/bugs/1288747

Title:
  [334] Parts of the UI randomly flicker when moving the mouse

Status in Compiz:
  Triaged
Status in compiz package in Ubuntu:
  Triaged

Bug description:
  Nvidia 334.21 makes the UI jearky, googled and found this on Nvidia
  forums:

  "This looks like a problem caused by the system compositor not
  properly waiting for X rendering to finish before performing OpenGL
  rendering in response. The GL_EXT_x11_sync_object extension was
  designed to solve this problem, but it looks like cogl (the back-end
  library used by GNOME's compositor) doesn't use it yet. "

  more details:
  https://devtalk.nvidia.com/default/topic/690704/linux/-334-16-parts-of-the-ui-randomly-flicker-when-moving-the-mouse/post/4128101/#4128101
  --- 
  .proc.driver.nvidia.gpus.0: Error: [Errno 21] É uma directoria: u'/proc/driver/nvidia/gpus/0'
  .proc.driver.nvidia.registry: Binary: ""
  .proc.driver.nvidia.version:
   NVRM version: NVIDIA UNIX x86_64 Kernel Module  331.38  Wed Jan  8 19:32:30 PST 2014
   GCC version:  gcc version 4.8.2 (Ubuntu 4.8.2-16ubuntu6)
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.13.3-0ubuntu1
  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
  DistUpgraded: Fresh install
  DistroCodename: trusty
  DistroRelease: Ubuntu 14.04
  DistroVariant: ubuntu
  DkmsStatus:
   bbswitch, 0.7, 3.13.0-16-generic, x86_64: installedError! Could not locate dkms.conf file.
   File:  does not exist.
   
   nvidia-331-updates, 331.38, 3.13.0-16-generic, x86_64: installed
  GraphicsCard:
   NVIDIA Corporation GF106 [GeForce GTS 450] [10de:0dc4] (rev a1) (prog-if 00 [VGA controller])
     Subsystem: Gigabyte Technology Co., Ltd Device [1458:34fe]
  InstallationDate: Installed on 2014-03-03 (4 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140224)
  MachineType: System manufacturer System Product Name
  NonfreeKernelModules: nvidia
  Package: compiz 1:0.9.11+14.04.20140305-0ubuntu1
  PackageArchitecture: all
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-16-generic root=UUID=d2c3632d-4280-4961-91c8-0b7d3fe95be1 ro quiet splash
  ProcVersionSignature: Ubuntu 3.13.0-16.36-generic 3.13.5
  Tags:  trusty trusty possible-manual-nvidia-install ubuntu single-occurrence reproducible compiz-0.9
  Uname: Linux 3.13.0-16-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 06/17/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0620
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: P5QL-ASUS-SE
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev X.0x
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0620:bd06/17/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5QL-ASUS-SE:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer
  version.compiz: compiz 1:0.9.11+14.04.20140305-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.52-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0~rc3-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0~rc3-0ubuntu3
  version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.15.0-1ubuntu6
  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: Fri Mar  7 10:50:58 2014
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.15.0-1ubuntu6

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