diff -r 8fa7210452c2 core.windows/src/org/netbeans/core/windows/model/ModesSubModel.java
--- a/core.windows/src/org/netbeans/core/windows/model/ModesSubModel.java	Mon Nov 23 12:36:15 2009 +0100
+++ b/core.windows/src/org/netbeans/core/windows/model/ModesSubModel.java	Tue Nov 24 15:13:06 2009 +0100
@@ -41,10 +41,12 @@
 
 package org.netbeans.core.windows.model;
 
+import java.util.AbstractMap;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Map;
+import java.util.Map.Entry;
 import org.netbeans.core.windows.Constants;
 import org.netbeans.core.windows.ModeImpl;
 import org.netbeans.core.windows.ModeStructureSnapshot;
@@ -384,9 +386,21 @@
         Set<ModeStructureSnapshot.SlidingModeSnapshot> result = 
                 new HashSet<ModeStructureSnapshot.SlidingModeSnapshot>();
         for (Map.Entry<ModeImpl, String> curEntry: slidingModes2Sides.entrySet()) {
+            final ModeImpl key = curEntry.getKey();
+            AbstractMap<TopComponent, Integer> lazy = new AbstractMap<TopComponent, Integer>() {
+                Map<TopComponent, Integer> delegate;
+                @Override
+                public Set<Entry<TopComponent, Integer>> entrySet() {
+                    if (delegate == null) {
+                        delegate = getSlideInSizes(key);
+                    }
+                    return delegate.entrySet();
+                }
+            };
+
             result.add(new ModeStructureSnapshot.SlidingModeSnapshot(
-                    curEntry.getKey(), curEntry.getValue(), 
-                    getSlideInSizes(curEntry.getKey())));
+                    curEntry.getKey(), curEntry.getValue(), lazy
+            ));
         }
         
         return result;
diff -r 8fa7210452c2 ide.kit/test/qa-functional/data/blacklist.txt
--- a/ide.kit/test/qa-functional/data/blacklist.txt	Mon Nov 23 12:36:15 2009 +0100
+++ b/ide.kit/test/qa-functional/data/blacklist.txt	Tue Nov 24 15:13:06 2009 +0100
@@ -504,3 +504,12 @@
 org.jivesoftware.smackx.provider.StreamInitiationProvider
 org.jivesoftware.smackx.provider.VCardProvider
 org.jivesoftware.smackx.provider.XHTMLExtensionProvider
+
+org.netbeans.modules.cnd.api.model.CsmClass
+org.netbeans.modules.cnd.api.model.CsmClassifier
+org.netbeans.modules.cnd.api.model.CsmCompoundClassifier
+org.netbeans.modules.cnd.api.model.CsmDeclaration
+org.netbeans.modules.cnd.api.model.CsmOffsetable
+org.netbeans.modules.cnd.api.model.CsmOffsetableDeclaration
+org.netbeans.modules.cnd.api.model.CsmQualifiedNamedElement
+org.netbeans.modules.cnd.api.model.CsmScopeElement