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[Bug 1515995] Re: Screen


Neil Widdowson, given this works in Unity, and Cinnamon, but not in Mate
and KDE, I'm suspecting a compositing issue of the window manager,
versus kernel or graphics driver issue. I'll change packages for now for
a review of this.

** Package changed: xorg (Ubuntu) => kwin (Ubuntu)

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

** Summary changed:

- Screen
+ Videos flicker in Kubuntu

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  Videos flicker in Kubuntu

Status in kwin package in Ubuntu:

Bug description:
  Videos flick in Kubuntu. 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.

  This occurs with nouveau, the Nvidia driver (352) downloaded from
  their website, and the one from software centre. I had the same
  problem while using Linux Mint Mate, but not while using the Cinnamon
  Desktop, or Ubuntu Unity Desktop.

  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: ""
   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
   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
   bbswitch, 0.7, 4.2.0-18-generic, x86_64: installed
   nvidia-352-updates, 352.41, 4.2.0-18-generic, x86_64: installed
   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.logfile: /var/log/Xorg.0.log

  xserver.version: 2:1.17.2-1ubuntu9

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