diff --git a/katabatic/src/GCell.cpp b/katabatic/src/GCell.cpp
index ae9f467e..6b334fef 100644
--- a/katabatic/src/GCell.cpp
+++ b/katabatic/src/GCell.cpp
@@ -1071,6 +1071,8 @@ namespace Katabatic {
 
   void  DyKeyQueue::revalidate ()
   {
+    ltrace(190) << "DyKeyQueue::revalidate()" << endl;
+
     std::set<GCell*,GCell::CompareByKey>::iterator iinserted;
     std::set<GCell*>::iterator                     igcell    = _requests.begin();
     for ( ; igcell != _requests.end() ; ++igcell ) {
diff --git a/katabatic/src/GCellGrid.cpp b/katabatic/src/GCellGrid.cpp
index 7efd7edd..c3c7ef67 100644
--- a/katabatic/src/GCellGrid.cpp
+++ b/katabatic/src/GCellGrid.cpp
@@ -103,7 +103,8 @@ namespace Katabatic {
     }
 
     cmess1 << "  o  Reading GCell grid from Knik ["
-           << getColumns() << "x" << getRows() << "]." << endl;
+           << getColumns() << "x" << getRows() << "] "
+           << "(" << (getColumns()*getRows()) << ")." << endl;
 
     ltraceout(80);
   }
diff --git a/katabatic/src/LayerAssign.cpp b/katabatic/src/LayerAssign.cpp
index a7d9c1d9..7fb7d5b8 100644
--- a/katabatic/src/LayerAssign.cpp
+++ b/katabatic/src/LayerAssign.cpp
@@ -105,7 +105,6 @@ namespace Katabatic {
 
   //vector<GCell*> gcells  = *(_gcellGrid->getGCellVector());
     DyKeyQueue     queue   ( depth, *(_gcellGrid->getGCellVector()) );
-    AutoSegment*   segment = NULL;
     vector<GCell*> invalidateds;
 
     bool optimized = true;
@@ -128,8 +127,9 @@ namespace Katabatic {
           break;
         }
 
-        ltrace(190) << "step desaturate @: " << i << " " << *igcell << endl;
+        ltrace(190) << "step desaturate: @ " << i << " " << *igcell << endl;
 
+        AutoSegment* segment = NULL;
         optimized = (*igcell)->stepDesaturate ( depth, globalNets, segment );
 
         if ( segment ) {
diff --git a/katabatic/src/LoadGrByNet.cpp b/katabatic/src/LoadGrByNet.cpp
index 0acc7973..b7cf9d93 100644
--- a/katabatic/src/LoadGrByNet.cpp
+++ b/katabatic/src/LoadGrByNet.cpp
@@ -1195,6 +1195,8 @@ namespace {
                     , GCELL_3G_4L3     = 3+(4<<9)
                     , GCELL_4G_1L1     = 4+(1<<3)
                     , GCELL_4G_2L1     = 4+(2<<3)
+                    , GCELL_4G_3L1     = 4+(3<<3)
+                    , GCELL_4G_4L1     = 4+(4<<3)
                     , GCELL_4G_1L3     = 4+(1<<9)
                     };
 
@@ -1367,7 +1369,9 @@ namespace {
       case GCELL_3G_3L3:
       case GCELL_3G_4L3:
       case GCELL_4G_1L1:
-      case GCELL_4G_2L1: _GCell_xG_xL1_xL3 (); break;
+      case GCELL_4G_2L1:
+      case GCELL_4G_3L1:
+      case GCELL_4G_4L1: _GCell_xG_xL1_xL3 (); break;
       case GCELL_2G_1L2:
       case GCELL_2G_2L2:
       case GCELL_2G_3L2: