src/java.desktop/share/classes/javax/swing/RepaintManager.java

*** 334,343 ****
--- 334,347 ----
          processingRunnable = new ProcessingRunnable();
      }
  
      private void displayChanged() {
          clearImages();
+ 
+         // Reset buffer maximum size to get valid size from updated graphics
+         // environment in getDoubleBufferMaximumSize()
+         setDoubleBufferMaximumSize(null);
      }
  
      /**
       * Mark the component as in need of layout and queue a runnable
       * for the event dispatching thread that will validate the components
*** 1205,1214 ****
--- 1209,1221 ----
                                                      virtualBounds.height);
              } catch (HeadlessException e) {
                  doubleBufferMaxSize = new Dimension(Integer.MAX_VALUE, Integer.MAX_VALUE);
              }
          }
+         if (doubleBufferMaxSize != null) {
+             System.err.println("Buffer size " +  doubleBufferMaxSize.width + ", " + doubleBufferMaxSize.height);
+         }
          return doubleBufferMaxSize;
      }
  
      /**
       * Enables or disables double buffering in this RepaintManager.