diff --git a/qxldod/QxlDod.cpp b/qxldod/QxlDod.cpp
index e843935..716bd8d 100755
--- a/qxldod/QxlDod.cpp
+++ b/qxldod/QxlDod.cpp
@@ -5056,7 +5056,8 @@ void QxlDevice::PresentThreadRoutine()
         // No need for a mutex, only one consumer thread
         SPICE_RING_CONS_WAIT(m_PresentRing, wait);
         while (wait) {
-            WaitForObject(&m_PresentEvent, NULL);
+            // we do not want indication of long wait on this event
+            DoWaitForObject(&m_PresentEvent, NULL, NULL);
             SPICE_RING_CONS_WAIT(m_PresentRing, wait);
         }
         drawables = *SPICE_RING_CONS_ITEM(m_PresentRing);
diff --git a/qxldod/QxlDod.h b/qxldod/QxlDod.h
index 51c554d..a1e9634 100755
--- a/qxldod/QxlDod.h
+++ b/qxldod/QxlDod.h
@@ -416,11 +416,13 @@ struct Resource {
 
 BOOLEAN
 FORCEINLINE
-WaitForObject(
+DoWaitForObject(
     PVOID Object,
-    PLARGE_INTEGER Timeout)
+    PLARGE_INTEGER Timeout,
+    LPCSTR name)
 {
     NTSTATUS status;
+    TimeMeasurement tm;
     status = KeWaitForSingleObject (
             Object,
             Executive,
@@ -428,9 +430,18 @@ WaitForObject(
             FALSE,
             Timeout);
     ASSERT(NT_SUCCESS(status));
+    tm.Stop();
+    if (name && tm.Diff() > 1900)
+    {
+        // 2 seconds in PresentDisplayOnly triggers watchdog on Win10RS1
+        // when VSync control enabled. Print the exact event name.
+        DbgPrint(TRACE_LEVEL_ERROR, ("Waiting %d ms for %s\n", tm.Diff(), name));
+    }
     return (status == STATUS_SUCCESS);
 }
 
+#define WaitForObject(o, timeout) DoWaitForObject((o), (timeout), #o)
+
 VOID
 FORCEINLINE
 ReleaseMutex(