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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 - [GTK] Black screen or freeze when I opened several tabs"
   href="https://bugs.webkit.org/show_bug.cgi?id=167284">167284</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[GTK] Black screen or freeze when I opened several tabs
          </td>
        </tr>

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

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>WebKit Nightly Build
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Unspecified
          </td>
        </tr>

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

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>WebKit Gtk
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>cacouret.renault&#64;gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>bugs-noreply&#64;webkitgtk.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>I used Epiphany 3.23.4-1.fc26 on GNOME Shell and Wayland with my Elitebook 8560w (nVidia Quadro 1000M NVC1).

If I open some tabs, the screen began black entirely. I can see only the cursor. Or sometimes the computer freezes. But I can't move the cursor, I can't open a TTY session or other things. I need to reboot my computer in both cases.

I don't have this bug with Firefox for example.

I use webkitgtk4.x86_64 2.15.2-1.fc26

It's Michael Catanzaro who asked me to report this bug here (<a href="https://bugzilla.redhat.com/show_bug.cgi?id=1415337">https://bugzilla.redhat.com/show_bug.cgi?id=1415337</a>)
I'm available if you need more information.</pre>
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