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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - xf86-video-intel 2.21.14-1 slows down gnome-shell with SNA accelleration"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=67823#c2">Comment # 2</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - xf86-video-intel 2.21.14-1 slows down gnome-shell with SNA accelleration"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=67823">bug 67823</a>
              from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
        <pre>The obvious candidate is 

commit 3f04b6f33f05f8a24698f934a23462269b84917d
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date:   Thu Aug 1 14:49:36 2013 +0100

    sna/dri: Disable TripleBuffering by default for compositors

which is more or less at the request of the gnome-shell authors.</pre>
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