Something

Index: backends/maxima/maximasession.cpp
===================================================================
--- backends/maxima/maximasession.cpp	(Revision 1073142)
+++ backends/maxima/maximasession.cpp	(Arbeitskopie)
@@ -150,18 +150,31 @@
     {
         m_expressionQueue.clear();
     }
+
+    kDebug()<<"closing socket";
+    m_maxima->close();
     //Give maxima time to clean up
+    kDebug()<<"waiting for maxima to finish";
     if(!m_process->waitForFinished(3000))
     {
+        kDebug()<<"killed";
         m_process->kill();
+    }else
+    {
+        kDebug()<<"finished correctly";
     }
 
-    m_process->deleteLater();
+    delete m_process;
+    delete m_helperMaxima;
+
+    kDebug()<<"destroyed maxima";
+
     m_expressionQueue.clear();
 }
 
 void MaximaSession::newConnection()
 {
+    kDebug()<<"new connection";
     QTcpSocket* const socket=m_server->nextPendingConnection();
     if(m_maxima==0)
     {
@@ -514,6 +527,7 @@
 
 void MaximaSession::startHelperProcess()
 {
+    kDebug()<<"starting helper";
     m_helperMaxima=0;
     m_isHelperReady=false;
     if(!m_server)