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[Dominik <ssud16@xxxxx>]

the full computer model that I found is: Samsung np-r540-ja07pl

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https://bugs.launchpad.net/bugs/1512454

Title:
  Refresh change colours

Status in xorg package in Ubuntu:
  Incomplete

Bug description:
  I had experienced few times that refreshing window causes some places to lose right information about colour. I mean that colours change to different for e.g. grey become yellowish, and strips are visible. Also in web browser some letters disappear.
  It is happening not often, maybe about 2/3 times per month. I am using Ubuntu 14.04, with following Hardware:
  Intel core I5 540M 2.53 GHz x 2 with Intel Ironlake Mobile graphics. System Is 64 bit version. 3,7GiB Ram.
  I'm using two screens with different size. First one is built-in laptop screen with resolution 1366x768 (16:9) and second one is Hitachi 22HXJ06U with resolution 1920x1080 (16:9). This happened to me also in Ubuntu 15.04, and before on Ubuntu 14.10. (In all cases the same hardware and two screens). Until now I notice this bug only when on firefox so I thought it could be something wrong with firefox, but today I noticed this bug on Terminal Window. I cannot really provide information how to create this bug - twice it happened on facebook when board automatically refreshed, and today it happened on Terminal when I clicked on firefox. I tried to repeat the problem with terminal, using the same commands but without positive results. Bug is fixing when window / application getting refreshed - scrolling up / down or moving window on screen fixing it. Creating Screenshot doesn't fixing it (done by default Print Screen with animation that everything becoming white and going to normal image)
  I also checked logs (/var/log/Xorg.0.log) but I dont see any error message or something - log finishing after screen setting up.
  I attached picture with example in firefox window (screenshots was bit edited - facebook's board, chat and chat list been deleted).
  --- 
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.14.1-0ubuntu3.18
  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
  DistUpgraded: Fresh install
  DistroCodename: trusty
  DistroRelease: Ubuntu 14.04
  DistroVariant: ubuntu
  DkmsStatus: virtualbox, 4.3.10: added
  ExtraDebuggingInterest: Yes, including running git bisection searches
  GraphicsCard:
   Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 18) (prog-if 00 [VGA controller])
     Subsystem: Samsung Electronics Co Ltd Device [144d:c06a]
  InstallationDate: Installed on 2015-10-17 (23 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  Lsusb:
   Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
   Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 001 Device 004: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)
   Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: SAMSUNG ELECTRONICS CO., LTD. R530/R730
  Package: xorg 1:7.7+1ubuntu8.1
  PackageArchitecture: amd64
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-32-generic root=UUID=6a48f3d5-02ba-4f34-94c0-92cfcb90d476 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.19.0-32.37~14.04.1-generic 3.19.8-ckt7
  Tags:  trusty ubuntu compiz-0.9
  Uname: Linux 3.19.0-32-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True
  dmi.bios.date: 03/24/2010
  dmi.bios.vendor: Phoenix Technologies Ltd.
  dmi.bios.version: 04JV.M012.20100324.hkk
  dmi.board.asset.tag: Tag 12345
  dmi.board.name: R530/R730
  dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.board.version: Not Applicable
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvr04JV.M012.20100324.hkk:bd03/24/2010:svnSAMSUNGELECTRONICSCO.,LTD.:pnR530/R730:pvrNotApplicable:rvnSAMSUNGELECTRONICSCO.,LTD.:rnR530/R730:rvrNotApplicable:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
  dmi.product.name: R530/R730
  dmi.product.version: Not Applicable
  dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
  version.compiz: compiz 1:0.9.11.3+14.04.20150313-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.60-2~ubuntu14.04.1
  version.libgl1-mesa-dri: libgl1-mesa-dri N/A
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx N/A
  version.xserver-xorg-core: xserver-xorg-core N/A
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
  version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A
  xserver.bootTime: Mon Nov  9 21:29:23 2015
  xserver.configfile: default
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                               12869 
   vendor                                     SEC
  xserver.version: 2:1.17.1-0ubuntu3~trusty1

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