diff --git i/src/loader/loader_dri3_helper.c w/src/loader/loader_dri3_helper.c
index e9fb97b..3d75cc4 100644
--- i/src/loader/loader_dri3_helper.c
+++ w/src/loader/loader_dri3_helper.c
@@ -24,6 +24,7 @@
 #include <fcntl.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <stdio.h>
 
 #include <X11/xshmfence.h>
 #include <xcb/xcb.h>
@@ -553,9 +554,22 @@ loader_dri3_wait_x(struct loader_dri3_drawable *draw)
 {
    struct loader_dri3_buffer *front;
    __DRIcontext *dri_context;
+   fprintf(stderr, "loader_dri3_wait_x enter\n");
 
-   if (draw == NULL || !draw->have_fake_front)
+   if (draw == NULL) {
+      fprintf(stderr, "loader_dri3_wait_x NULL return\n");
       return;
+   }
+
+   if (!draw->have_fake_front) {
+      fprintf(stderr, "loader_dri3_wait_x !draw->have_fake_front return\n");
+      struct loader_dri3_buffer *back = dri3_back_buffer(draw);
+
+      dri3_fence_reset(draw->conn, back);
+      dri3_fence_trigger(draw->conn, back);
+      dri3_fence_await(draw->conn, back);
+      return;
+   }
 
    front = dri3_fake_front_buffer(draw);
    dri_context = draw->vtable->get_dri_context(draw);
@@ -575,6 +589,7 @@ loader_dri3_wait_x(struct loader_dri3_drawable *draw)
                                   front->height,
                                   0, 0, front->width,
                                   front->height, 0);
+   fprintf(stderr, "loader_dri3_wait_x return\n");
 }
 
 void