[Expired for gtk+3.0 (Ubuntu) because there has been no activity for 60
days.]

** Changed in: gtk+3.0 (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1703068

Title:
  Badly broken rendering of text views

Status in gtk+3.0 package in Ubuntu:
  Expired

Bug description:
  Applications utilizing gtk3 text views display terrible rendering
  artifacts on my system. A portion of the canvas immediately below the
  drawn text view gets redrawn (or perhaps more accurately *not*
  redrawn), and then text gets drawn over the top. Subsequent updates to
  the text view will just draw on top of the existing text.

  This is visible in (among other things) gtk3-demo (from
  gtk-3-examples), gnome-calculator, EiskaltDC++ Gtk3. A screenshot
  comparing gtk3-demo and gtk-demo (via gtk2.0-examples) is attached.

  It's a distinct possibility that the real issue is in the video driver
  or compiz or something, but this was my best guess for a starting
  point, since I've isolated the issue to [seemingly] gtk3 text views
  (and possibly also transparency overlay? the top right and bottom left
  of Overlay -> Decorative Overlay exhibits the problem, along with
  Transparency also in the Overlay section of gtk3-demo).

  Kernel: 4.10.0-26-generic
  xorg-server 2:1.19.3-1ubuntu1
  OpenGL vendor string:   Intel Open Source Technology Center
  OpenGL renderer string: Mesa DRI Intel(R) Ivybridge Desktop
  OpenGL version string:  3.0 Mesa 17.0.3

  Although I haven't tried a fresh install, I have confirmed the
  behavior persists in a guest session. The issue had briefly gone away
  a month or two ago, but I didn't have time to closely track what
  changed (presumably: what updates were installed?).

  ProblemType: Bug
  DistroRelease: Ubuntu 17.04
  Package: libgtk-3-0 3.22.11-0ubuntu3
  ProcVersionSignature: Ubuntu 4.10.0-26.30-generic 4.10.17
  Uname: Linux 4.10.0-26-generic x86_64
  ApportVersion: 2.20.4-0ubuntu4.1
  Architecture: amd64
  CurrentDesktop: Unity:Unity7
  Date: Fri Jul  7 23:07:37 2017
  InstallationDate: Installed on 2014-11-29 (951 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  SourcePackage: gtk+3.0
  UpgradeStatus: Upgraded to zesty on 2017-04-14 (85 days ago)

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