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[Neil Widdowson <neil@xxxxxxxxxxxxxxxx>]

While I've been watching videos online, they haven't flickered, but they
have had tears in them.

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https://bugs.launchpad.net/bugs/1515995

Title:
  Screen

Status in xorg package in Ubuntu:
  New

Bug description:
  I am trying out Kubuntu at the moment and I have noticed that when watching videos they flicker. I have tried the different options in the 'Compositor Settings for Desktop Effects' Tearing Prevention and none seem to make a difference other than that if I put it on automatic, the top half of the screen flickers, and with 'full screen repaints' the whole screen flickers. I have tried the official Nvidia driver (352), the one from software centre and the default one - all make the video flicker in full screen. I had the same problem while using Linux Mint Mate, but not while using the Cinnamon Desktop, I also don't remember the problem occurring while using Ubuntu Unity Desktop.
  I am fairly new to Linux  so I don't know too much about how to go about finding out the problem.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: xorg 1:7.7+7ubuntu4
  ProcVersionSignature: Ubuntu 4.2.0-18.22-generic 4.2.3
  Uname: Linux 4.2.0-18-generic x86_64
  NonfreeKernelModules: nvidia
  .proc.driver.nvidia.registry: Binary: ""
  .proc.driver.nvidia.version:
   NVRM version: NVIDIA UNIX x86_64 Kernel Module  352.41  Fri Aug 21 23:09:52 PDT 2015
   GCC version:  gcc version 5.2.1 20151010 (Ubuntu 5.2.1-22ubuntu2)
  ApportVersion: 2.19.1-0ubuntu4
  Architecture: amd64
  BootLog:
   fsck from util-linux 2.26.2
   /dev/sdb2: clean, 266511/13574144 files, 7382798/54296320 blocks
  CurrentDesktop: KDE
  Date: Fri Nov 13 12:47:42 2015
  DistUpgraded: Fresh install
  DistroCodename: wily
  DistroVariant: kubuntu
  DkmsStatus:
   bbswitch, 0.7, 4.2.0-18-generic, x86_64: installed
   nvidia-352-updates, 352.41, 4.2.0-18-generic, x86_64: installed
  GraphicsCard:
   NVIDIA Corporation GK104 [GeForce GTX 760] [10de:1187] (rev a1) (prog-if 00 [VGA controller])
     Subsystem: NVIDIA Corporation Device [10de:0984]
  InstallationDate: Installed on 2015-11-12 (0 days ago)
  InstallationMedia: Kubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  MachineType: MSI MS-7850
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-18-generic.efi.signed root=UUID=43b80561-2236-4234-9459-091517df6ac9 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/21/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: V1.8
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: Z87-G41 PC Mate(MS-7850)
  dmi.board.vendor: MSI
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: To be filled by O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: MSI
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV1.8:bd07/21/2014:svnMSI:pnMS-7850:pvr1.0:rvnMSI:rnZ87-G41PCMate(MS-7850):rvr1.0:cvnMSI:ct3:cvr1.0:
  dmi.product.name: MS-7850
  dmi.product.version: 1.0
  dmi.sys.vendor: MSI
  version.compiz: compiz N/A
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.64-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 11.0.2-1ubuntu4
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 11.0.2-1ubuntu4
  version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.17.2-1ubuntu9
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.2-1ubuntu1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0+git20150819-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20150808-0ubuntu4
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu3
  xserver.bootTime: Fri Nov 13 10:44:18 2015
  xserver.configfile: /etc/X11/xorg.conf
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   
  xserver.version: 2:1.17.2-1ubuntu9

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