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            <b><a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO - [Bisected] stuck pageflip"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=85888#c23">Comment # 23</a>
              on <a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO - [Bisected] stuck pageflip"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=85888">bug 85888</a>
              from <span class="vcard"><a class="email" href="mailto:tvboxspy@gmail.com" title="Malcolm <tvboxspy@gmail.com>"> <span class="fn">Malcolm</span></a>
</span></b>
        <pre>That patch failed.

It is clear the code is trying to kick a page that is not stuck but delayed.

This locks on call drm_crtc_vblank_put and the precise timing
vblank->disable_timer completion.</pre>
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