Bug#1096094: Failed to start xdg-desktop-portal-gnome.service - Portal service (GNOME implementation)

[Sébastien Noel]

Hi!

I have the same problem, I fixed it by applying the 2 patches in 
attachment and rebuilding the package.

Sébastien
--- a/src/externalwindow-x11.c
+++ b/src/externalwindow-x11.c
@@ -118,5 +118,7 @@ GdkDisplay *
 init_external_window_x11_display (GError **error)
 {
   gdk_set_allowed_backends ("x11");
-  return gdk_display_open (NULL);
+  if (gtk_init_check ())
+      return gdk_display_get_default ();
+  return NULL;
 }
--- a/src/notification.c
+++ b/src/notification.c
@@ -69,7 +69,7 @@
                                                notification_added,
                                                NULL);
 
-  xdp_impl_notification_complete_add_notification (object, invocation);
+  xdp_impl_notification_complete_add_notification (object, invocation, NULL);
 
   return TRUE;
 }