diff -r df89378e9223 -r 7b7f0409fc00 imgtools/romtools/rofsbuild/r_rofs.cpp
--- a/imgtools/romtools/rofsbuild/r_rofs.cpp	Tue Nov 30 13:59:58 2010 +0800
+++ b/imgtools/romtools/rofsbuild/r_rofs.cpp	Tue Nov 30 14:05:41 2010 +0800
@@ -266,6 +266,7 @@
 }
 class Worker : public boost::thread {
     public:
+    static boost::mutex iMutexOut;
     static void thrd_func(E32Rofs* rofs){
         CBytePair bpe;
 
@@ -282,6 +283,9 @@
 		    rofs->iSymGen->AddEntry(tmpEntry);
 		    delete[] fullsystemname; 
 		}
+		iMutexOut.lock();
+		p->node->FlushLogMessages();
+		iMutexOut.unlock();
             }
             p = rofs->GetFileNode(deferred);
         }
@@ -296,6 +300,8 @@
     }
 };
 
+boost::mutex Worker::iMutexOut;
+
 TPlacingSection* E32Rofs::GetFileNode(bool &aDeferred) {
 	//get a node from the node list, the node list is protected by mutex iMuxTree.
 	//The iMuxTree also helps to make sure the order in iVPS is consistent with the node list.