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[Bug 1522175] Re: horizontal bar visual artifacts around windows and on text

 

00:02.0 VGA compatible controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03)
     *-cpu
          product: Intel(R) Core(TM)2 Quad  CPU   Q9300  @ 2.50GHz
          vendor: Intel Corp.
          physical id: 1
          bus info: cpu@0
          size: 2003MHz
          capacity: 2499MHz
          width: 64 bits
          capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx x86-64 constant_tsc arch_perfmon pebs bts rep_good nopl aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 lahf_lm dtherm tpr_shadow vnmi flexpriority cpufreq
     *-pci
          description: Host bridge
          product: 4 Series Chipset DRAM Controller
          vendor: Intel Corporation
          physical id: 100
          bus info: pci@0000:00:00.0
          version: 03
          width: 32 bits
          clock: 33MHz
          configuration: driver=agpgart-intel
          resources: irq:0
        *-display:0
             description: VGA compatible controller
             product: 4 Series Chipset Integrated Graphics Controller
             vendor: Intel Corporation
             physical id: 2
             bus info: pci@0000:00:02.0
             version: 03
             width: 64 bits
             clock: 33MHz
             capabilities: msi pm vga_controller bus_master cap_list rom
             configuration: driver=i915 latency=0
             resources: irq:28 memory:fe400000-fe7fffff memory:d0000000-dfffffff ioport:dc00(size=8)
        *-display:1 UNCLAIMED
             description: Display controller
             product: 4 Series Chipset Integrated Graphics Controller
             vendor: Intel Corporation
             physical id: 2.1
             bus info: pci@0000:00:02.1
             version: 03
             width: 64 bits
             clock: 33MHz
             capabilities: pm bus_master cap_list
             configuration: latency=0
             resources: memory:fe800000-fe8fffff

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https://bugs.launchpad.net/bugs/1522175

Title:
  horizontal bar visual artifacts around windows and on text

Status in xserver-xorg-video-intel package in Ubuntu:
  New

Bug description:
  On the first reboot after upgrade from vivid to wily, horizontal bars
  surround windows, and scramble the text on terminal, as well as the
  xfce4 menu bar.  It is not the whole screen that gets these horizontal
  bar artifacts, only particular windows, and only particular images in
  particular windows.  For example firefox is almost entirely clear,
  except for the 'bookmarks' and other icons within it, and some jpegs
  rendered within it.

  xserver-xorg:
    Installed: 1:7.7+7ubuntu4
    Candidate: 1:7.7+7ubuntu4

  xfce4:
    Installed: 4.12.1
    Candidate: 4.12.1

  Ubuntu": 15.10 (fresh upgrade from 15.04)

  Linux tbpl-makerspace 4.2.0-19-generic #23-Ubuntu SMP Wed Nov 11
  11:39:30 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: xserver-xorg-video-intel 2:2.99.917+git20150808-0ubuntu4
  ProcVersionSignature: Ubuntu 4.2.0-19.23-generic 4.2.6
  Uname: Linux 4.2.0-19-generic x86_64
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Wed Dec  2 17:56:42 2015
  InstallationDate: Installed on 2015-05-07 (209 days ago)
  InstallationMedia: Ubuntu-Studio 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  SourcePackage: xserver-xorg-video-intel
  UpgradeStatus: Upgraded to wily on 2015-12-02 (0 days ago)

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References