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      <base href="https://bugs.freedesktop.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - Intel driver SNA causes x11vnc to display black screen when running xbmc (Haswell chip this time)"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=72194">72194</a>
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>chris@chris-wilson.co.uk
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Intel driver SNA causes x11vnc to display black screen when running xbmc (Haswell chip this time)
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>da_audiophile@yahoo.com
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>x86-64 (AMD64)
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>git
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Driver/intel
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>xorg
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Background: I am experiencing the very same symptoms as I reported in
(<a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - Intel driver SNA causes x11vnc to display black screen when running xbmc"
   href="show_bug.cgi?id=69730">https://bugs.freedesktop.org/show_bug.cgi?id=69730</a>) which is now resolved
thanks to Chris.  The problem seems to be unique to my new i3-4130T (Haswell
using HD graphics 4400).

Problem: Connecting to the vncserver (x11vnc) running on the machine using the
i3-4130T (on a motherboard using the H87 chipset) causes a black screen to be
displayed on the vncclient but only when xbmc is active.  Exiting xbmc restores
the expected vnc behavior.  I see nothing relevant in my Xorg logs to indicate
there is a problem.

Linux distro: Arch linux x86_64
Xorg version: 1.14.4

Drivers packages in use (official ARCH packages):
* intel-dri 9.2.4-1
* libva-intel-driver 1.2.1-1
* xf86-video-intel-git version 2.99.906.65.g3dae8b9-1

Command used to start x11vnc on the target box:
/usr/bin/x11vnc -nap -wait 50 -passwd xxx -display :0 -forever -o
/var/log/x11vnc.log -bg

It does not matter if I use the -noxdamage switch; the result is the same.</pre>
        </div>
      </p>
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