Thread 1 "argos3" hit Breakpoint 2, qt_message_print (msgType=msgType@entry=QtWarningMsg, context=..., message=...) at /home/allsey87/Workspace/qt5/qtbase/src/corelib/global/qlogging.cpp:1676
1676	            (*messageHandler.load())(msgType, context, message);
(gdb) backtrace
#0  qt_message_print (msgType=msgType@entry=QtWarningMsg, context=..., message=...) at /home/allsey87/Workspace/qt5/qtbase/src/corelib/global/qlogging.cpp:1676
#1  0x00007ffff20745ca in qt_message(QtMsgType, const QMessageLogContext &, const char *, typedef __va_list_tag __va_list_tag *) (msgType=msgType@entry=QtWarningMsg, context=..., msg=msg@entry=0x7ffff2375520 "QObject::disconnect: Unexpected null parameter", ap=ap@entry=0x7fffffffbf20) at /home/allsey87/Workspace/qt5/qtbase/src/corelib/global/qlogging.cpp:301
#2  0x00007ffff207499a in QMessageLogger::warning (this=this@entry=0x7fffffffc070, msg=msg@entry=0x7ffff2375520 "QObject::disconnect: Unexpected null parameter") at /home/allsey87/Workspace/qt5/qtbase/src/corelib/global/qlogging.cpp:579
#3  0x00007ffff22ad528 in QObject::disconnect (sender=<optimized out>, signal=0x7ffff262ac98 "2StepDone(int)", receiver=0x0, method=0x7ffff262ac10 "1Refresh(int)") at /home/allsey87/Workspace/qt5/qtbase/src/corelib/kernel/qobject.cpp:2935
#4  0x00007ffff261640d in argos::CQTOpenGLLuaMainWindow::HandleEntityDeselection (this=0x555555dee710) at /home/allsey87/Workspace/argos-qt5-alt/src/plugins/simulator/visualizations/qt-opengl/qtopengl_lua_main_window.cpp:750
#5  0x00007ffff2622ae5 in argos::CQTOpenGLLuaMainWindow::qt_static_metacall (_o=0x555555dee710, _c=QMetaObject::InvokeMetaMethod, _id=11, _a=0x7fffffffc3e0) at /home/allsey87/Workspace/argos-qt5-alt/build/plugins/simulator/visualizations/qt-opengl/argos3plugin_simulator_qtopengl_automoc.dir/moc_qtopengl_lua_m_6STD5ZWLQTTNG6.cpp:132
#6  0x00007ffff22a988e in QMetaObject::activate (sender=sender@entry=0x555555da1b80, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7fffffffc3e0) at /home/allsey87/Workspace/qt5/qtbase/src/corelib/kernel/qobject.cpp:3766
#7  0x00007ffff22a9c5d in QMetaObject::activate (sender=0x555555da1b80, m=<optimized out>, local_signal_index=3, argv=0x7fffffffc3e0) at /home/allsey87/Workspace/qt5/qtbase/src/corelib/kernel/qobject.cpp:3628
#8  0x00007ffff26240b2 in argos::CQTOpenGLWidget::EntityDeselected (this=0x555555da1b80, _t1=3) at /home/allsey87/Workspace/argos-qt5-alt/build/plugins/simulator/visualizations/qt-opengl/argos3plugin_simulator_qtopengl_automoc.dir/moc_qtopengl_widge_PXVZ3HL66DNF3Y.cpp:247
#9  0x00007ffff260797c in argos::CQTOpenGLWidget::SelectInScene (this=0x555555da1b80, un_x=770, un_y=462) at /home/allsey87/Workspace/argos-qt5-alt/src/plugins/simulator/visualizations/qt-opengl/qtopengl_widget.cpp:427
#10 0x00007ffff260a6d8 in argos::CQTOpenGLWidget::mousePressEvent (this=0x555555da1b80, pc_event=0x7fffffffc9e0) at /home/allsey87/Workspace/argos-qt5-alt/src/plugins/simulator/visualizations/qt-opengl/qtopengl_widget.cpp:919
#11 0x00007ffff1579f46 in QWidget::event (this=this@entry=0x555555da1b80, event=event@entry=0x7fffffffc9e0) at /home/allsey87/Workspace/qt5/qtbase/src/widgets/kernel/qwidget.cpp:8813
#12 0x00007ffff159eb4f in QOpenGLWidget::event (this=0x555555da1b80, e=0x7fffffffc9e0) at /home/allsey87/Workspace/qt5/qtbase/src/widgets/kernel/qopenglwidget.cpp:1454
#13 0x00007ffff152e0a7 in QApplicationPrivate::notify_helper (this=this@entry=0x555555d0f6b0, receiver=receiver@entry=0x555555da1b80, e=0x7fffffffc9e0) at /home/allsey87/Workspace/qt5/qtbase/src/widgets/kernel/qapplication.cpp:3732
#14 0x00007ffff1536884 in QApplication::notify (this=<optimized out>, receiver=0x555555da1b80, e=0x7fffffffc9e0) at /home/allsey87/Workspace/qt5/qtbase/src/widgets/kernel/qapplication.cpp:3208
#15 0x00007ffff25ed571 in argos::CQTOpenGLApplication::notify (this=0x555555d0ef80, pc_receiver=0x555555da1b80, pc_event=0x7fffffffc9e0) at /home/allsey87/Workspace/argos-qt5-alt/src/plugins/simulator/visualizations/qt-opengl/qtopengl_application.cpp:21
#16 0x00007ffff2276ffb in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x555555da1b80, event=event@entry=0x7fffffffc9e0) at /home/allsey87/Workspace/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1044
#17 0x00007ffff15355fa in QCoreApplication::sendSpontaneousEvent (event=0x7fffffffc9e0, receiver=0x555555da1b80) at ../../include/QtCore/../../../../qt5/qtbase/src/corelib/kernel/qcoreapplication.h:237
#18 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x555555da1b80, event=event@entry=0x7fffffffc9e0, alienWidget=alienWidget@entry=0x555555da1b80, nativeWidget=0x555555d51cf0, buttonDown=buttonDown@entry=0x7ffff1aebda0 <qt_button_down>, lastMouseReceiver=..., spontaneous=true) at /home/allsey87/Workspace/qt5/qtbase/src/widgets/kernel/qapplication.cpp:2709
#19 0x00007ffff159823d in QWidgetWindow::handleMouseEvent (this=this@entry=0x555555e10270, event=event@entry=0x7fffffffce50) at /home/allsey87/Workspace/qt5/qtbase/src/widgets/kernel/qwidgetwindow.cpp:655
#20 0x00007ffff159a50c in QWidgetWindow::event (this=0x555555e10270, event=0x7fffffffce50) at /home/allsey87/Workspace/qt5/qtbase/src/widgets/kernel/qwidgetwindow.cpp:273
#21 0x00007ffff152e0a7 in QApplicationPrivate::notify_helper (this=this@entry=0x555555d0f6b0, receiver=receiver@entry=0x555555e10270, e=e@entry=0x7fffffffce50) at /home/allsey87/Workspace/qt5/qtbase/src/widgets/kernel/qapplication.cpp:3732
#22 0x00007ffff1536379 in QApplication::notify (this=0x555555d0ef80, receiver=0x555555e10270, e=0x7fffffffce50) at /home/allsey87/Workspace/qt5/qtbase/src/widgets/kernel/qapplication.cpp:3104
#23 0x00007ffff25ed571 in argos::CQTOpenGLApplication::notify (this=0x555555d0ef80, pc_receiver=0x555555e10270, pc_event=0x7fffffffce50) at /home/allsey87/Workspace/argos-qt5-alt/src/plugins/simulator/visualizations/qt-opengl/qtopengl_application.cpp:21
#24 0x00007ffff2276ffb in QCoreApplication::notifyInternal2 (receiver=receiver@entry=0x555555e10270, event=event@entry=0x7fffffffce50) at /home/allsey87/Workspace/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1044
#25 0x00007ffff0f35865 in QCoreApplication::sendSpontaneousEvent (event=0x7fffffffce50, receiver=0x555555e10270) at ../../include/QtCore/../../../../qt5/qtbase/src/corelib/kernel/qcoreapplication.h:237
#26 QGuiApplicationPrivate::processMouseEvent (e=0x555556d85240) at /home/allsey87/Workspace/qt5/qtbase/src/gui/kernel/qguiapplication.cpp:1957
#27 0x00007ffff0f372e6 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x555556d85240) at /home/allsey87/Workspace/qt5/qtbase/src/gui/kernel/qguiapplication.cpp:1741
#28 0x00007ffff0f0caa9 in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at /home/allsey87/Workspace/qt5/qtbase/src/gui/kernel/qwindowsysteminterface.cpp:976
#29 0x00007ffff7f05991 in QPAEventDispatcherGlib::processEvents (this=0x555555d40290, flags=...) at /home/allsey87/Workspace/qt5/qtbase/src/platformsupport/eventdispatchers/qeventdispatcher_glib.cpp:70
#30 0x00007ffff2274d7d in QEventLoop::processEvents (this=this@entry=0x7fffffffd0c0, flags=..., flags@entry=...) at /home/allsey87/Workspace/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:134
#31 0x00007ffff22751fa in QEventLoop::exec (this=this@entry=0x7fffffffd0c0, flags=flags@entry=...) at /home/allsey87/Workspace/qt5/qtbase/src/corelib/kernel/qeventloop.cpp:212
#32 0x00007ffff227f539 in QCoreApplication::exec () at /home/allsey87/Workspace/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1332
#33 0x00007ffff0f2c61e in QGuiApplication::exec () at /home/allsey87/Workspace/qt5/qtbase/src/gui/kernel/qguiapplication.cpp:1687
#34 0x00007ffff152df39 in QApplication::exec () at /home/allsey87/Workspace/qt5/qtbase/src/widgets/kernel/qapplication.cpp:2917
#35 0x00007ffff25fee20 in argos::CQTOpenGLRender::Execute (this=0x555555d0f640) at /home/allsey87/Workspace/argos-qt5-alt/src/plugins/simulator/visualizations/qt-opengl/qtopengl_render.cpp:65
#36 0x00007ffff7b2fff1 in argos::CSimulator::Execute (this=0x5555557a2710) at /home/allsey87/Workspace/argos-qt5-alt/src/core/simulator/simulator.cpp:270
#37 0x0000555555570b3c in main (n_argc=3, ppch_argv=0x7fffffffd918) at /home/allsey87/Workspace/argos-qt5-alt/src/core/simulator/main.cpp:38
(gdb) frame 4
#4  0x00007ffff261640d in argos::CQTOpenGLLuaMainWindow::HandleEntityDeselection (this=0x555555dee710) at /home/allsey87/Workspace/argos-qt5-alt/src/plugins/simulator/visualizations/qt-opengl/qtopengl_lua_main_window.cpp:750
750	                 m_pcLuaVariableTree->model(), SLOT(Refresh(int)));
(gdb) list
745	   /****************************************/
746	   /****************************************/
747	
748	   void CQTOpenGLLuaMainWindow::HandleEntityDeselection(size_t) {
749	      disconnect(&(m_pcMainWindow->GetOpenGLWidget()), SIGNAL(StepDone(int)),
750	                 m_pcLuaVariableTree->model(), SLOT(Refresh(int)));
751	      disconnect(m_pcMainWindow, SIGNAL(ExperimentReset()),
752	                 m_pcLuaVariableTree->model(), SLOT(Refresh()));
753	      disconnect(m_pcLuaVariableTree->model(), SIGNAL(modelReset()),
754	                 this, SLOT(VariableTreeChanged()));
(gdb) print m_pcLuaVariableTree
$1 = (QTreeView *) 0x555555e3df20
(gdb) print m_pcLuaVariableTree->model()
$2 = (QAbstractItemModel *) 0x0
(gdb) quit