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[Ogilvierothchild <1309076@xxxxxxxxxxxxxxxxxx>]

I'm still seeing this behaviour on 18.04 LTS in both chromium and
google-chrome.

To workaround the issue, visit chrome://flags/ and search for "partial".
An option called "Partial swap" should appear, with a flag called "#ui-
disable-partial-swap".  Set the associated dropdown to say "Disabled".
Then press "Restart" and let the browser restart itself.  Then visit
chrome://gpu/ and verify that the last item in the first table under
"Version Information" is "Command Line", and than "--ui-disable-partial-
swap" appears in the list of commandline options.

For me this doesn't fix 100% of the problem, but makes it much better --
when maximizing the browser window, there isn't garbage at the top of
the window.  On restoring the window, the problem (or a similar problem)
is still there, but simply mousing over it makes it go away; unlike
before, I don't need to run the mouse over sections of the window trying
to get it to repaint the whole width of the corrput area.

-- 
You received this bug notification because you are a member of UBUNTU -
AL - BR, which is subscribed to Chromium Browser.
https://bugs.launchpad.net/bugs/1309076

Title:
  Chromium-custom title bar corrupt after maximize&restore

Status in Chromium Browser:
  Unknown
Status in chromium-browser package in Ubuntu:
  Fix Released

Bug description:
  If the window is maximized, try to restore it and the window title bar, address bar or toolbar will not be rendered correctly also try hovering over them which show the issue. 
  Also tested while extensions are disabled.

  You can see that problem in the attached screenshot.

  Version 34.0.1847.116 Ubuntu 14.04 aura (260972)
  Ubuntu 14.04

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: chromium-browser 34.0.1847.116-0ubuntu2 [modified: usr/bin/chromium-browser]
  Uname: Linux 3.14.0-eudyptula-10313-g39aaf74-dirty x86_64
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Thu Apr 17 17:31:21 2014
  Desktop-Session:
   DESKTOP_SESSION = ubuntu
   XDG_CONFIG_DIRS = /etc/xdg/xdg-ubuntu:/usr/share/upstart/xdg:/etc/xdg
   XDG_DATA_DIRS = /usr/share/ubuntu:/usr/share/gnome:/usr/local/share/:/usr/share/
  DetectedPlugins:
   
  Env:
   MOZ_PLUGIN_PATH = None
   LD_LIBRARY_PATH = None
  InstallationDate: Installed on 2014-03-24 (24 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64+mac (20131016.1)
  SourcePackage: chromium-browser
  UpgradeStatus: Upgraded to trusty on 2014-03-29 (19 days ago)
  chromium-default: CHROMIUM_FLAGS=""
  gconf-keys: /desktop/gnome/applications/browser/exec = b'/usr/bin/chromium-browser\n'/desktop/gnome/url-handlers/https/command = b'/usr/bin/chromium-browser %s\n'/desktop/gnome/url-handlers/https/enabled = b'true\n'/desktop/gnome/url-handlers/http/command = b'/usr/bin/chromium-browser %s\n'/desktop/gnome/url-handlers/http/enabled = b'true\n'/desktop/gnome/session/required_components/windowmanager = b''/apps/metacity/general/compositing_manager = b''/desktop/gnome/interface/icon_theme = b'gnome\n'/desktop/gnome/interface/gtk_theme = b'Clearlooks\n'
  modified.conffile..etc.default.chromium.browser: [deleted]

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