diff -ur qt-copy/patches/0274-shm-native-image-fix.diff qt-copy-qt452/patches/0274-shm-native-image-fix.diff
--- qt-copy/patches/0274-shm-native-image-fix.diff	2009-03-03 11:46:54.000000000 +0100
+++ qt-copy-qt452/patches/0274-shm-native-image-fix.diff	2009-06-26 03:26:36.000000000 +0200
@@ -15,15 +15,19 @@
 ===================================================================
 --- src/gui/kernel/qapplication_x11.cpp (revision 934506)
 +++ src/gui/kernel/qapplication_x11.cpp (working copy)
-@@ -1943,7 +1943,7 @@ void qt_init(QApplicationPrivate *priv,
-             // to determine whether the display is local or not (not 100 % accurate)
+@@ -1955,9 +1955,9 @@
              bool local = displayName.isEmpty() || displayName.lastIndexOf(QLatin1Char(':')) == 0;
-             if (local && (qgetenv("QT_X11_NO_MITSHM").toInt() == 0))
--                X11->use_mitshm = mitshm_pixmaps;
-+                X11->use_mitshm = true;
+             if (local && (qgetenv("QT_X11_NO_MITSHM").toInt() == 0)) {
+                 Visual *defaultVisual = DefaultVisual(X11->display, DefaultScreen(X11->display));
+-                X11->use_mitshm = mitshm_pixmaps && (defaultVisual->red_mask == 0xff0000
+-                                                     && defaultVisual->green_mask == 0xff00
+-                                                     && defaultVisual->blue_mask == 0xff);
++                X11->use_mitshm = defaultVisual->red_mask == 0xff0000
++                                  && defaultVisual->green_mask == 0xff00
++                                  && defaultVisual->blue_mask == 0xff;
+             }
          }
  #endif // QT_NO_MITSHM
- 
 Index: src/gui/image/qnativeimage_p.h
 ===================================================================
 --- src/gui/image/qnativeimage_p.h	(revision 930645)