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      <base href="https://bugs.freedesktop.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Artifacts on the screen. HD8530M"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=86796">86796</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Artifacts on the screen. HD8530M
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>Mesa
          </td>
        </tr>

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

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

        <tr>
          <th>OS</th>
          <td>Linux (All)
          </td>
        </tr>

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

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

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Drivers/Gallium/radeonsi
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>dri-devel@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>nicknnn@gmail.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=110136" name="attach_110136" title="Example screen shot with artifacts">attachment 110136</a> <a href="attachment.cgi?id=110136&action=edit" title="Example screen shot with artifacts">[details]</a></span>
Example screen shot with artifacts

Artifacts on the screen on notebook asus S301L.

The laptop has a muxless video card. I use DRI_PRIME.

$ xrandr --listproviders
Providers: number : 2
Provider 0: id: 0x76 cap: 0xb, Source Output, Sink Output, Sink Offload crtcs:
3 outputs: 2 associated providers: 1 name:Intel
Provider 1: id: 0x51 cap: 0xf, Source Output, Sink Output, Source Offload, Sink
Offload crtcs: 2 outputs: 0 associated providers: 1 name:radeon


DRI_PRIME=1 LD_LIBRARY_PATH=/opt/mesa-master/lib/
LD_PRELOAD=/opt/mesa-master/lib/dri/radeonsi_dri.so glxgears

DRI_PRIME=1 LD_LIBRARY_PATH=/opt/mesa-master/lib/
LD_PRELOAD=/opt/mesa-master/lib/dri/radeonsi_dri.so amoeba


Example screen shot as an attachment amoeba.jpg

Uname:
Linux mj 3.17-1-amd64 #1 SMP Debian 3.17-1~exp1 (2014-10-14) x86_64 GNU/Linux</pre>
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