[Webkit-unassigned] [Bug 168964] New: [GTK] Completely garbled display in GMail

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=168964

            Bug ID: 168964
           Summary: [GTK] Completely garbled display in GMail
    Classification: Unclassified
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Gtk
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: berto at igalia.com
                CC: bugs-noreply at webkitgtk.org

Created attachment 302926
  --> https://bugs.webkit.org/attachment.cgi?id=302926&action=review
GMail screenshot

I started noticing this only a couple of days ago:

When I log in to GMail and try to use the Hangouts chat the display becomes garbled, and moving the cursor around only makes it worse. Menus stop appearing when you click on them and the UI becomes unusable.

I'm attaching a screenshot of the left bar.

The interesting thing is that this doesn't seem to be triggered by a WebKit update, and I actually reported bug 168769 using the same version of WebKitGTK+ (2.14.5).

I did however update many other packages on my system. I tried reverting the kernel, the X server and the video driver to the previous version but that didn't help. This problem seems to happens only with WebKitGTK+. Firefox or Chromium can open GMail just fine.

Another user reported to have a similar problem with WebKitGTK+ 2.15.90 and the hangouts.google.com website. I just tried that site with version 2.14.5 and it also breaks for me.

In case it's relevant I have an Intel HD Graphics video card (8086:0166).

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