--- old/src/java.desktop/share/classes/javax/swing/RepaintManager.java	2018-02-09 19:02:59.000000000 +0300
+++ new/src/java.desktop/share/classes/javax/swing/RepaintManager.java	2018-02-09 19:02:59.000000000 +0300
@@ -336,6 +336,10 @@
 
     private void displayChanged() {
         clearImages();
+
+        // Reset buffer maximum size to get valid size from updated graphics
+        // environment in getDoubleBufferMaximumSize()
+        setDoubleBufferMaximumSize(null);
     }
 
     /**
@@ -1207,6 +1211,9 @@
                 doubleBufferMaxSize = new Dimension(Integer.MAX_VALUE, Integer.MAX_VALUE);
             }
         }
+        if (doubleBufferMaxSize != null) {
+            System.err.println("Buffer size " +  doubleBufferMaxSize.width + ", " + doubleBufferMaxSize.height);
+        }
         return doubleBufferMaxSize;
     }