Index: /trunk/src/VBox/Main/src-server/HostDnsService.cpp
===================================================================
--- /trunk/src/VBox/Main/src-server/HostDnsService.cpp	(revision 58585)
+++ /trunk/src/VBox/Main/src-server/HostDnsService.cpp	(revision 58586)
@@ -185,4 +185,9 @@
 void HostDnsMonitor::shutdown()
 {
+    /** @todo never called.
+     * HostDnsMonitor should be referenced by HostDnsMonitorProxy objects and the Host object
+     * and automatically deleted when not referenced anymore.
+     * Currently HostDnsMonitor can use already deleted m->virtualbox.
+     */
     if (g_monitor)
     {
