diff --git a/src/pipe/graph.c b/src/pipe/graph.c
index 2bd3fdce..ee9c3feb 100644
--- a/src/pipe/graph.c
+++ b/src/pipe/graph.c
@@ -2296,6 +2296,23 @@ VkResult dt_graph_run(
             // m3(out) -> m2(in) -> bypass m1(out) -> m0(in)
             if(graph->module[mi1].connector[mc1].bypass_mi >= 0)
             { // now go from mi1/mc1(out) -> m2 = bypass(in) -> m3 = conn(out)
+#if 1
+              int mi2 = graph->module[mi1].connector[mc1].bypass_mi;
+              int mc2 = graph->module[mi1].connector[mc1].bypass_mc;
+              if(mi2 == -1u) continue;
+              int mi3 = graph->module[mi2].connector[mc2].connected_mi;
+              int mc3 = graph->module[mi2].connector[mc2].connected_mc;
+              if(mi3 == -1u) continue;
+              //   fprintf(stderr, "XXX walking %" PRItkn":%" PRItkn
+              //       "--> %" PRItkn ":%" PRItkn
+              //       "--> %" PRItkn ":%" PRItkn"\n",
+              //       dt_token_str(graph->module[mi1].name),
+              //       dt_token_str(graph->module[mi1].connector[mc1].name),
+              //       dt_token_str(graph->module[mi2].name),
+              //       dt_token_str(graph->module[mi2].connector[mc2].name),
+              //       dt_token_str(graph->module[mi3].name),
+              //       dt_token_str(graph->module[mi3].connector[mc3].name));
+#else
               int mi3, mc3;
               while(1)
               {
@@ -2304,12 +2321,22 @@ VkResult dt_graph_run(
                 if(mi2 == -1u) continue;
                 mi3 = graph->module[mi2].connector[mc2].connected_mi;
                 mc3 = graph->module[mi2].connector[mc2].connected_mc;
+                fprintf(stderr, "XXX walking %" PRItkn":%" PRItkn
+                    "--> %" PRItkn ":%" PRItkn
+                    "--> %" PRItkn ":%" PRItkn"\n",
+                    dt_token_str(graph->module[mi1].name),
+                    dt_token_str(graph->module[mi1].connector[mc1].name),
+                    dt_token_str(graph->module[mi2].name),
+                    dt_token_str(graph->module[mi2].connector[mc2].name),
+                    dt_token_str(graph->module[mi3].name),
+                    dt_token_str(graph->module[mi3].connector[mc3].name));
                 if(mi3 == -1u) continue;
                 // now if this module is again a bypass thing, continue the dance!
                 if(graph->module[mi3].connector[mc3].bypass_mi < 0) break;
                 mi1 = mi3;
                 mc1 = mc3;
               }
+#endif
               n0 = graph->module[mi3].connector[mc3].associated_i;
               c0 = graph->module[mi3].connector[mc3].associated_c;
             }