diff --git a/src/quick/items/qquickitem.cpp b/src/quick/items/qquickitem.cpp
index 110e14d..4cfebf9 100644
--- a/src/quick/items/qquickitem.cpp
+++ b/src/quick/items/qquickitem.cpp
@@ -58,8 +58,10 @@
 #include <QtCore/qdebug.h>
 #include <QtCore/qcoreevent.h>
 #include <QtCore/qnumeric.h>
+#include <QtCore/QDebug>
 #include <QtGui/qpa/qplatformtheme.h>
 
+
 #include <private/qqmlglobal_p.h>
 #include <private/qqmlengine_p.h>
 #include <QtQuick/private/qquickstategroup_p.h>
@@ -293,6 +295,7 @@ void QQuickContents::updateRect()
 
 void QQuickContents::itemGeometryChanged(QQuickItem *changed, const QRectF &newGeometry, const QRectF &oldGeometry)
 {
+    qDebug() << __FUNCTION__ << newGeometry;
     Q_UNUSED(changed)
     bool wChanged = false;
     bool hChanged = false;
@@ -5828,6 +5831,11 @@ qreal QQuickItem::width() const
 
 void QQuickItem::setWidth(qreal w)
 {
+    if (w) {
+        qDebug() << __FUNCTION__ << w;
+    } else {
+        qDebug() << __FUNCTION__ << "NULL" << w;
+    }
     Q_D(QQuickItem);
     if (qIsNaN(w))
         return;
diff --git a/src/quick/items/qquickrectangle.cpp b/src/quick/items/qquickrectangle.cpp
index c9f3793..eef29cd 100644
--- a/src/quick/items/qquickrectangle.cpp
+++ b/src/quick/items/qquickrectangle.cpp
@@ -451,6 +451,7 @@ void QQuickRectangle::setColor(const QColor &c)
 
 QSGNode *QQuickRectangle::updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *data)
 {
+    qDebug("%s %g x %g", __FUNCTION__, width(), height());
     Q_UNUSED(data);
     Q_D(QQuickRectangle);
 
diff --git a/src/quick/scenegraph/qsgwindowsrenderloop.cpp b/src/quick/scenegraph/qsgwindowsrenderloop.cpp
index ce43ccf..0c47e2c 100644
--- a/src/quick/scenegraph/qsgwindowsrenderloop.cpp
+++ b/src/quick/scenegraph/qsgwindowsrenderloop.cpp
@@ -57,11 +57,11 @@ QT_BEGIN_NAMESPACE
 
 extern Q_GUI_EXPORT QImage qt_gl_read_framebuffer(const QSize &size, bool alpha_format, bool include_alpha);
 
-// #define QSG_RENDER_LOOP_DEBUG
+#define QSG_RENDER_LOOP_DEBUG
 
 #ifdef QSG_RENDER_LOOP_DEBUG
 static QElapsedTimer qsg_debug_timer;
-#  define RLDEBUG(x) printf("(%6d) %s : %4d - %s\n", (int) qsg_debug_timer.elapsed(), __FILE__, __LINE__, x)
+#  define RLDEBUG(x) fprintf(stderr, "(%6d) %s : %4d - %s\n", (int) qsg_debug_timer.elapsed(), __FILE__, __LINE__, x)
 #else
 #  define RLDEBUG(x)
 #endif
@@ -261,6 +261,7 @@ void QSGWindowsRenderLoop::exposureChanged(QQuickWindow *window)
     if (windowData(window) == 0)
         return;
 
+    qDebug() << __FUNCTION__ << window << window->geometry();
     if (window->isExposed()) {
 
         // Stop non-visual animation timer as we now have a window rendering