diff --git a/app/gui/session.c b/app/gui/session.c
index b8c72ff58266b2d838cb83c72764d550fc70d72b..ed457b5caf3f88f33a7fd34447395c0abe09171c 100644
--- a/app/gui/session.c
+++ b/app/gui/session.c
@@ -50,6 +50,7 @@
 #include "dialogs/dialogs.h"
 
 #include "session.h"
+#include "gimp-log.h"
 
 #include "gimp-intl.h"
 
@@ -175,11 +176,19 @@ session_init (Gimp *gimp)
                 {
                   if (! skip)
                     {
+                      GIMP_LOG (DIALOG_FACTORY,
+                                "successfully parsed and added session info %p",
+                                info);
+
                       factory->session_infos =
                         g_list_append (factory->session_infos, info);
                     }
                   else
                     {
+                      GIMP_LOG (DIALOG_FACTORY,
+                                "failed to parse session info %p, not adding",
+                                info);
+
                       g_object_unref (info);
                     }
                 }
diff --git a/app/widgets/gimpdialogfactory.c b/app/widgets/gimpdialogfactory.c
index 5b9b3cf6ca4e650a66dde57c76749b075e0f34b6..31e5f894a6027e36b317e0fc6c084f4c137384b8 100644
--- a/app/widgets/gimpdialogfactory.c
+++ b/app/widgets/gimpdialogfactory.c
@@ -1453,6 +1453,12 @@ gimp_dialog_factories_restore_foreach (gconstpointer      key,
           gimp_session_info_restore (info, factory);
           gimp_session_info_clear_info (info);
         }
+      else
+        {
+          GIMP_LOG (DIALOG_FACTORY,
+                    "skipping to restore session info %p, not open",
+                    info);
+        }
     }
 }
 
diff --git a/app/widgets/gimpsessioninfo.c b/app/widgets/gimpsessioninfo.c
index 57945c0ccbc2d0f7fe0c3c524c9411e568a2b3b5..330ddaa326885052dfb978fd1ed32acdc665e951 100644
--- a/app/widgets/gimpsessioninfo.c
+++ b/app/widgets/gimpsessioninfo.c
@@ -36,6 +36,8 @@
 #include "gimpsessioninfo-dock.h"
 #include "gimpsessioninfo-private.h"
 
+#include "gimp-log.h"
+
 
 enum
 {
@@ -370,6 +372,10 @@ gimp_session_info_restore (GimpSessionInfo   *info,
     {
       GtkWidget *dialog;
 
+      GIMP_LOG (DIALOG_FACTORY, "restoring toplevel \"%s\" (info %p)",
+                info->p->factory_entry->identifier,
+                info);
+
       dialog =
         gimp_dialog_factory_dialog_new (factory, screen,
                                         info->p->factory_entry->identifier,
@@ -381,6 +387,9 @@ gimp_session_info_restore (GimpSessionInfo   *info,
     }
   else
     {
+      GIMP_LOG (DIALOG_FACTORY, "restoring dock  (info %p)",
+                info);
+
       gimp_session_info_dock_restore (info, factory, screen);
     }
 }