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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [SNA/HSW] DRI3 rendering gets stuck waiting for present idle notify event"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=84252#c17">Comment # 17</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [SNA/HSW] DRI3 rendering gets stuck waiting for present idle notify event"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=84252">bug 84252</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>One possible explanation:

xserver commit 9bc01dfc7070a40f5948588895b3a11dd1636d0e
Author: Axel Davy <<a href="mailto:axel.davy@ens.fr">axel.davy@ens.fr</a>>
Date:   Sat Sep 27 23:17:13 2014 +0200

    Fix present_pixmap when using present_notify_msc

    Calling present_notify_msc could cancel a pending pixmap presentation.

    Signed-off-by: Axel Davy <<a href="mailto:axel.davy@ens.fr">axel.davy@ens.fr</a>>
    Reviewed-by: Keith Packard <<a href="mailto:keithp@keithp.com">keithp@keithp.com</a>>
    Signed-off-by: Keith Packard <<a href="mailto:keithp@keithp.com">keithp@keithp.com</a>></pre>
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