diff --git a/source/blender/blenlib/intern/task_pool.cc b/source/blender/blenlib/intern/task_pool.cc
index 6404f5264cc..a397e30e6ea 100644
--- a/source/blender/blenlib/intern/task_pool.cc
+++ b/source/blender/blenlib/intern/task_pool.cc
@@ -115,6 +115,7 @@ class Task {
   void operator()() const
   {
 #ifdef WITH_TBB
+    // run(pool, taskdata);
     tbb::this_task_arena::isolate([this] { run(pool, taskdata); });
 #else
     run(pool, taskdata);
diff --git a/source/blender/depsgraph/intern/depsgraph_eval.cc b/source/blender/depsgraph/intern/depsgraph_eval.cc
index 1ad3fdbc9da..3cf989f12d5 100644
--- a/source/blender/depsgraph/intern/depsgraph_eval.cc
+++ b/source/blender/depsgraph/intern/depsgraph_eval.cc
@@ -45,8 +45,42 @@
 
 #include "intern/depsgraph.h"
 
+#include "BLI_task.h"
+#include "PIL_time.h"
+
 namespace deg = blender::deg;
 
+static void empty_subtask(TaskPool *UNUSED(pool), void *UNUSED(taskdata))
+{
+}
+
+static void pushing_subtask(TaskPool *pool, void *UNUSED(taskdata))
+{
+  for (int i = 0; i < 100; i++) {
+    BLI_task_pool_push(pool, empty_subtask, nullptr, false, nullptr);
+  }
+}
+
+static void my_task(TaskPool *UNUSED(pool), void *UNUSED(taskdata))
+{
+  TaskPool *task_pool = BLI_task_pool_create(nullptr, TASK_PRIORITY_HIGH);
+  BLI_task_pool_push(task_pool, pushing_subtask, POINTER_FROM_INT(1), false, nullptr);
+  BLI_task_pool_work_and_wait(task_pool);
+  BLI_task_pool_free(task_pool);
+}
+
+static void my_test()
+{
+  const int num_tasks = BLI_system_thread_count() * 2;
+
+  TaskPool *task_pool = BLI_task_pool_create(nullptr, TASK_PRIORITY_HIGH);
+  for (int i = 0; i < num_tasks; i++) {
+    BLI_task_pool_push(task_pool, my_task, nullptr, false, nullptr);
+  }
+  BLI_task_pool_work_and_wait(task_pool);
+  BLI_task_pool_free(task_pool);
+}
+
 static void deg_flush_updates_and_refresh(deg::Depsgraph *deg_graph)
 {
   /* Update the time on the cow scene. */
@@ -56,6 +90,10 @@ static void deg_flush_updates_and_refresh(deg::Depsgraph *deg_graph)
 
   deg::deg_graph_flush_updates(deg_graph);
   deg::deg_evaluate_on_refresh(deg_graph);
+
+  std::cout << "Start test\n";
+  my_test();
+  std::cout << "End test\n";
 }
 
 /* Evaluate all nodes tagged for updating. */