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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [GTK] WebProcess from WebKitGtk+ 2.10.x spits a lot of criticals in webkit_dom_node_append_child"
   href="https://bugs.webkit.org/show_bug.cgi?id=153649">153649</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[GTK] WebProcess from WebKitGtk+ 2.10.x spits a lot of criticals in webkit_dom_node_append_child
          </td>
        </tr>

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

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

        <tr>
          <th>Version</th>
          <td>WebKit Local 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>agomez&#64;igalia.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>bugs-noreply&#64;webkitgtk.org
          </td>
        </tr></table>
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        <pre>I'm using WebKitGtk+ with my own JHBuild setting:
<a href="https://github.com/tanty/jhbuild-epiphany/tree/master">https://github.com/tanty/jhbuild-epiphany/tree/master</a>

Epiphany 3.18.0 and WebKit 2.10.6

I'm running Epiphany with the dconf key:

&quot;process-model&quot; = &quot;shared-secondary-process&quot;

The compilation was done with CMake args:

'-DPORT=GTK -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_FLAGS_RELEASE=&quot;-O0 -g1 -DNDEBUG -DG_DISABLE_CAST_CHECKS&quot; -DCMAKE_CXX_FLAGS_RELEASE=&quot;-O0 -g1 -DNDEBUG -DG_DISABLE_CAST_CHECKS&quot;'

---

I launch Epiphany from the command line. When browsing, I see every now and then a lot of this messages in a row in my terminal:

** (WebKitWebProcess:10658): CRITICAL **: WebKitDOMNode* webkit_dom_node_append_child(WebKitDOMNode*, WebKitDOMNode*, GError**): assertion 'WEBKIT_DOM_IS_NODE(self)' failed

I've been seeing this for quite a while now, maybe even also in the 2.8.x series.</pre>
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