[Bug 85064] New: Intel DRI3 causes extremely slow scrolling on certain pages with WebKitGTK+

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85064

            Bug ID: 85064
           Summary: Intel DRI3 causes extremely slow scrolling on certain
                    pages with WebKitGTK+
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: mcatanzaro at gnome.org
        QA Contact: intel-3d-bugs at lists.freedesktop.org

With Epiphany/WebKitGTK+, scrolling on many pages (such as any search results
page on duckduckgo.com) is extremely slow and choppy. Launching epiphany with
LIBGL_DRI3_DISABLE=1 causes these pages to work perfectly.

This is a critical bug for us since DuckDuckGo is our default search engine.

mesa-dri-drivers-10.3-1.20140927.fc21.x86_64
kernel-3.17.0-300.fc21.x86_64

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