[Webkit-unassigned] [Bug 185642] New: [GTK] gstreamer-vaapi makes WebkitGTK extremely crashy

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=185642

            Bug ID: 185642
           Summary: [GTK] gstreamer-vaapi makes WebkitGTK extremely crashy
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: PC
                OS: Linux
            Status: NEW
          Keywords: Gtk
          Severity: Normal
          Priority: P3
         Component: WebKit Gtk
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mike at vee.net
                CC: bugs-noreply at webkitgtk.org

Epiphany's WebProcesses started crashing a while ago pretty much 100% of the time when scrolling through pages with video content (Twitter, Feedly, news sites, YouTube, etc). Turns out the problem seems to be caused by gstreamer-vaapi: Uninstalling that package makes the crashes stop.

Installing gstreamer-vaapi is useful for people on Intel based portables since it allows offloading video decoding to the integrated GPU, reducing fan noise and power use.

To repro with WebKitGTK 3.28.x on a machine that uses an Intel integrated GPU: Install gstreamer-vaapi (gstreamer1.0-vaapi on Deb/Ubuntu), open a Twitter feed, and just keep tapping the spacebar repeatedly. As you scroll down the page past a number of video elements, the web process will eventually crash.

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