#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:136
#1  0x0000003006209c56 in _L_lock_840 () from /lib64/libpthread.so.0
#2  0x0000003006209b58 in __pthread_mutex_lock (mutex=0x3ec06c0) at pthread_mutex_lock.c:65
#3  0x000000377a21c611 in g_static_rec_mutex_lock (mutex=0x435b420) at deprecated/gthread-deprecated.c:712
#4  0x0000003f04e882b4 in queue_repaint (this=0x435b200) at mdc_canvas_view.cpp:884
#5  mdc::CanvasView::queue_repaint (this=0x435b200) at mdc_canvas_view.cpp:872
#6  0x0000003f04e7581d in mdc::CanvasItem::~CanvasItem (this=0x435bd70, __in_chrg=<optimized out>) at mdc_canvas_item.cpp:109
#7  0x0000003f04e67de9 in mdc::AreaGroup::~AreaGroup (this=0x435bd70, __in_chrg=<optimized out>) at mdc_area_group.cpp:48
#8  0x0000003f04eaab88 in mdc::Layer::~Layer (this=0x435bc40, __in_chrg=<optimized out>) at mdc_layer.cpp:63
#9  0x0000003f04e68319 in mdc::BackLayer::~BackLayer (this=0x435bc40, __in_chrg=<optimized out>) at mdc_back_layer.cpp:58
#10 0x0000003f04e87d0c in mdc::CanvasView::~CanvasView (this=0x435b200, __in_chrg=<optimized out>) at mdc_canvas_view.cpp:119
#11 0x0000003f04e92a47 in ~XlibCanvasView (this=0x435b200, __in_chrg=<optimized out>) at mdc_canvas_view_x11.h:11
#12 mdc::XlibCanvasView::~XlibCanvasView (this=0x435b200, __in_chrg=<optimized out>) at mdc_canvas_view_x11.h:11
#13 0x0000003f03c18343 in mdc::GtkCanvas::on_unrealize (this=0x3cd42a0) at gtk/mdc_gtk_canvas_view.cpp:83
#14 0x00000034acb3ef6d in Gtk::Widget_Class::unrealize_callback (self=0x3f77e60) at widget.cc:4055
#15 0x000000377aa0f875 in _g_closure_invoke_va (closure=closure@entry=0x2daccf0, return_value=return_value@entry=0x0, instance=instance@entry=0x3f77e60, 
    args=args@entry=0x7fffb8dd7388, n_params=0, param_types=0x0) at gclosure.c:840
#16 0x000000377aa27d88 in g_signal_emit_valist (instance=0x3f77e60, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffb8dd7388)
    at gsignal.c:3207
#17 0x000000377aa287c2 in g_signal_emit (instance=instance@entry=0x3f77e60, signal_id=<optimized out>, detail=detail@entry=0) at gsignal.c:3352
#18 0x00000031c1a86c12 in IA__gtk_widget_unrealize (widget=0x3f77e60) at gtkwidget.c:3594
#19 0x00000031c1886382 in gtk_box_forall (container=<optimized out>, include_internals=<optimized out>, callback=0x31c1a86b30 <IA__gtk_widget_unrealize>, 
    callback_data=0x0) at gtkbox.c:1251
#20 0x00000034acaaf77a in Gtk::Container_Class::forall_vfunc_callback (self=0x3f44c50, include_internals=1, callback=0x31c1a86b30 <IA__gtk_widget_unrealize>, 
    callback_data=0x0) at container.cc:458
#21 0x00000031c1a8248c in gtk_widget_real_unrealize (widget=0x3f44c50) at gtkwidget.c:8922
#22 0x00000034acb3ef6d in Gtk::Widget_Class::unrealize_callback (self=0x3f44c50) at widget.cc:4055
#23 0x000000377aa0f875 in _g_closure_invoke_va (closure=closure@entry=0x2daccf0, return_value=return_value@entry=0x0, instance=instance@entry=0x3f44c50, 
    args=args@entry=0x7fffb8dd77e8, n_params=0, param_types=0x0) at gclosure.c:840
#24 0x000000377aa27d88 in g_signal_emit_valist (instance=0x3f44c50, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffb8dd77e8)
    at gsignal.c:3207
#25 0x000000377aa287c2 in g_signal_emit (instance=instance@entry=0x3f44c50, signal_id=<optimized out>, detail=detail@entry=0) at gsignal.c:3352
#26 0x00000031c1a86c12 in IA__gtk_widget_unrealize (widget=0x3f44c50) at gtkwidget.c:3594
#27 0x00000031c1972f9e in gtk_notebook_forall (container=<optimized out>, include_internals=1, callback=0x31c1a86b30 <IA__gtk_widget_unrealize>, callback_data=
    0x0) at gtknotebook.c:4304
#28 0x00000034acaaf77a in Gtk::Container_Class::forall_vfunc_callback (self=0x2ee7e80, include_internals=1, callback=0x31c1a86b30 <IA__gtk_widget_unrealize>, 
    callback_data=0x0) at container.cc:458
#29 0x00000031c1a8248c in gtk_widget_real_unrealize (widget=0x2ee7e80) at gtkwidget.c:8922
#30 0x00000034acb3ef6d in Gtk::Widget_Class::unrealize_callback (self=0x2ee7e80) at widget.cc:4055
#31 0x000000377aa0f875 in _g_closure_invoke_va (closure=closure@entry=0x2daccf0, return_value=return_value@entry=0x0, instance=instance@entry=0x2ee7e80, 
    args=args@entry=0x7fffb8dd7c58, n_params=0, param_types=0x0) at gclosure.c:840
#32 0x000000377aa27d88 in g_signal_emit_valist (instance=0x2ee7e80, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffb8dd7c58)
    at gsignal.c:3207
#33 0x000000377aa287c2 in g_signal_emit (instance=instance@entry=0x2ee7e80, signal_id=<optimized out>, detail=detail@entry=0) at gsignal.c:3352
#34 0x00000031c1a86c12 in IA__gtk_widget_unrealize (widget=0x2ee7e80) at gtkwidget.c:3594
#35 0x00000031c1980262 in gtk_paned_forall (container=<optimized out>, include_internals=<optimized out>, callback=0x31c1a86b30 <IA__gtk_widget_unrealize>, 
    callback_data=0x0) at gtkpaned.c:1462
#36 0x00000034acaaf77a in Gtk::Container_Class::forall_vfunc_callback (self=0x416a120, include_internals=1, callback=0x31c1a86b30 <IA__gtk_widget_unrealize>, 
    callback_data=0x0) at container.cc:458
#37 0x00000031c1a8248c in gtk_widget_real_unrealize (widget=0x416a120) at gtkwidget.c:8922
#38 0x00000034acb3ef6d in Gtk::Widget_Class::unrealize_callback (self=0x416a120) at widget.cc:4055
#39 0x000000377aa0f875 in _g_closure_invoke_va (closure=closure@entry=0x2daccf0, return_value=return_value@entry=0x0, instance=instance@entry=0x416a120, 
    args=args@entry=0x7fffb8dd80a8, n_params=0, param_types=0x0) at gclosure.c:840
#40 0x000000377aa27d88 in g_signal_emit_valist (instance=0x416a120, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffb8dd80a8)
    at gsignal.c:3207
#41 0x000000377aa287c2 in g_signal_emit (instance=instance@entry=0x416a120, signal_id=<optimized out>, detail=detail@entry=0) at gsignal.c:3352
#42 0x00000031c1a86c12 in IA__gtk_widget_unrealize (widget=0x416a120) at gtkwidget.c:3594
#43 0x00000031c1980262 in gtk_paned_forall (container=<optimized out>, include_internals=<optimized out>, callback=0x31c1a86b30 <IA__gtk_widget_unrealize>, 
    callback_data=0x0) at gtkpaned.c:1462
#44 0x00000034acaaf77a in Gtk::Container_Class::forall_vfunc_callback (self=0x416a020, include_internals=1, callback=0x31c1a86b30 <IA__gtk_widget_unrealize>, 
    callback_data=0x0) at container.cc:458
#45 0x00000031c1a8248c in gtk_widget_real_unrealize (widget=0x416a020) at gtkwidget.c:8922
#46 0x00000034acb3ef6d in Gtk::Widget_Class::unrealize_callback (self=0x416a020) at widget.cc:4055
#47 0x000000377aa0f875 in _g_closure_invoke_va (closure=closure@entry=0x2daccf0, return_value=return_value@entry=0x0, instance=instance@entry=0x416a020, 
    args=args@entry=0x7fffb8dd84f8, n_params=0, param_types=0x0) at gclosure.c:840
#48 0x000000377aa27d88 in g_signal_emit_valist (instance=0x416a020, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffb8dd84f8)
    at gsignal.c:3207
#49 0x000000377aa287c2 in g_signal_emit (instance=instance@entry=0x416a020, signal_id=<optimized out>, detail=detail@entry=0) at gsignal.c:3352
#50 0x00000031c1a86c12 in IA__gtk_widget_unrealize (widget=0x416a020) at gtkwidget.c:3594
#51 0x00000031c18863b2 in gtk_box_forall (container=<optimized out>, include_internals=<optimized out>, callback=0x31c1a86b30 <IA__gtk_widget_unrealize>, 
    callback_data=0x0) at gtkbox.c:1261
#52 0x00000031c1a8248c in gtk_widget_real_unrealize (widget=0x3f44bc0) at gtkwidget.c:8922
#53 0x000000377aa0f943 in _g_closure_invoke_va (closure=closure@entry=0x2daccf0, return_value=return_value@entry=0x0, instance=instance@entry=0x3f44bc0, 
    args=args@entry=0x7fffb8dd8908, n_params=0, param_types=0x0) at gclosure.c:840
#54 0x000000377aa27d88 in g_signal_emit_valist (instance=0x3f44bc0, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffb8dd8908)
    at gsignal.c:3207
#55 0x000000377aa287c2 in g_signal_emit (instance=instance@entry=0x3f44bc0, signal_id=<optimized out>, detail=detail@entry=0) at gsignal.c:3352
#56 0x00000031c1a86c12 in IA__gtk_widget_unrealize (widget=0x3f44bc0) at gtkwidget.c:3594
#57 0x00000031c1a87055 in IA__gtk_widget_unparent (widget=0x3f44bc0) at gtkwidget.c:3120
#58 0x00000031c1973134 in gtk_notebook_real_remove (list=0x434a6c0, notebook=0x2ee7040) at gtknotebook.c:4689
#59 gtk_notebook_remove (container=<optimized out>, widget=0x3f44bc0) at gtknotebook.c:3956
#60 0x00000034acaafb57 in Gtk::Container_Class::remove_callback_normal (self=<optimized out>, p0=0x3f44bc0) at container.cc:119
#61 0x000000377aa12af4 in g_cclosure_marshal_VOID__OBJECTv (closure=0x2dd9890, return_value=<optimized out>, instance=0x2ee7040, args=<optimized out>, 
    marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x2dd7b80) at gmarshal.c:1312
#62 0x000000377aa0f943 in _g_closure_invoke_va (closure=closure@entry=0x2dd9890, return_value=return_value@entry=0x0, instance=instance@entry=0x2ee7040, 
    args=args@entry=0x7fffb8dd8e48, n_params=1, param_types=0x2dd7b80) at gclosure.c:840
#63 0x000000377aa27d88 in g_signal_emit_valist (instance=0x2ee7040, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffb8dd8e48)
    at gsignal.c:3207
#64 0x000000377aa287c2 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at gsignal.c:3352
#65 0x00000000007ea42a in MainForm::destroy_view_becb (this=<optimized out>, view=0x4105050) at main_form.cpp:1062
#66 0x00000000008a1818 in boost::function1<void, mdc::CanvasView*>::operator() (this=<optimized out>, a0=a0@entry=0x4105050)
    at /usr/include/boost/function/function_template.hpp:760
#67 0x00000000008997b3 in wb::WBContextModel::free_canvas_view (this=0x3e96990, view=0x4105050) at model/wb_context_model.cpp:409
#68 0x0000003f05a01dc1 in model_Diagram::ImplData::unrealize (this=0x40db170) at wbcanvas/model_diagram_impl.cpp:409
#69 0x0000003f059fa8b6 in model_Model::ImplData::unrealize (this=<optimized out>) at wbcanvas/model_model_impl.cpp:95
#70 0x0000000000895f2d in wb::WBContextModel::unrealize (this=0x3e96990) at model/wb_context_model.cpp:231
#71 0x00000000009d4561 in wb::WBContext::close_document_finish (this=0x2e8e000) at workbench/wb_context.cpp:2421
#72 0x00000000007ef93f in MainForm::refresh_gui_becb (this=0x2ee1ab0, type=<optimized out>, arg_id="", arg_ptr=0x0) at main_form.cpp:1189
#73 0x00000000009f70ae in boost::function3<void, wb::RefreshType, std::string, void*>::operator() (this=0x2e8e2a8, a0=wb::RefreshCloseDocument, a1=..., a2=0x0)
    at /usr/include/boost/function/function_template.hpp:760
#74 0x00000000009d9f4c in wb::WBContext::do_close_document (this=0x2e8e000, destroying=false) at workbench/wb_context.cpp:2404
#75 0x000000000083e708 in boost::function0<void>::operator() (this=<optimized out>) at /usr/include/boost/function/function_template.hpp:760
#76 0x0000003f058a5771 in bec::GRTDispatcher::call_from_main_thread (this=0x2e93430, callback=0x428fdd0, wait=true, force_queue=false)
    at grt/grt_dispatcher.cpp:609
#77 0x00000000008a0a64 in bec::GRTDispatcher::call_from_main_thread<void>(boost::function<void ()> const&, bool, bool) (this=0x2e93430, callback=..., wait=true, 
    force_queue=false) at ../../backend/wbpublic/grt/grt_dispatcher.h:384
#78 0x00000000009d6cf9 in wb::WBContext::execute_in_main_thread(std::string const&, boost::function<void ()> const&, bool) (this=this@entry=0x2e8e000, name=
    "close document", function=..., wait=wait@entry=true) at workbench/wb_context.cpp:3108
#79 0x00000000009de485 in wb::WBContext::close_document (this=0x2e8e000) at workbench/wb_context.cpp:2369
#80 0x00000000007ffbae in on_close (this=0x423a2d0) at overview_panel.h:41
#81 OverviewPanel::on_close (this=0x423a2d0) at overview_panel.h:41
#82 0x000000000080a5a1 in ModelPanel::on_close (this=<optimized out>) at model_panel.cpp:18
#83 0x00000000007e7b2f in MainForm::close_tab (this=<optimized out>, note=0x2ee8460, page=0x3fa5e90) at main_form.cpp:1612
#84 0x00000034a90428a7 in operator() (this=<optimized out>) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:440
#85 handle_event (e=<optimized out>, this=<optimized out>) at active_label.cpp:37
#86 ActiveLabel::handle_event (this=<optimized out>, e=<optimized out>) at active_label.cpp:29
#87 0x00000034acb3b86b in operator() (_A_a1=@0x7fffb8dd9558: 0x3fac090, this=0x4142f88) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:515
#88 (anonymous namespace)::Widget_signal_event_callback (self=self@entry=0x414f440, p0=0x3fac090, data=data@entry=0x4142f80) at widget.cc:1109
#89 0x00000031c194db1c in _gtk_marshal_BOOLEAN__BOXED (closure=0x41abe30, return_value=0x7fffb8dd96d0, n_param_values=<optimized out>, param_values=
    0x7fffb8dd9780, invocation_hint=<optimized out>, marshal_data=<optimized out>) at gtkmarshalers.c:86
#90 0x000000377aa0f664 in g_closure_invoke (closure=0x41abe30, return_value=return_value@entry=0x7fffb8dd96d0, n_param_values=2, param_values=param_values@entry=
    0x7fffb8dd9780, invocation_hint=invocation_hint@entry=0x7fffb8dd9720) at gclosure.c:777
#91 0x000000377aa208ce in signal_emit_unlocked_R (node=node@entry=0x2dd36f0, detail=detail@entry=0, instance=instance@entry=0x414f440, 
    emission_return=emission_return@entry=0x7fffb8dd9850, instance_and_params=instance_and_params@entry=0x7fffb8dd9780) at gsignal.c:3617
#92 0x000000377aa282a7 in g_signal_emit_valist (instance=0x414f440, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffb8dd99d8)
    at gsignal.c:3306
#93 0x000000377aa287c2 in g_signal_emit (instance=instance@entry=0x414f440, signal_id=<optimized out>, detail=detail@entry=0) at gsignal.c:3352

#94 0x00000031c1a81418 in gtk_widget_event_internal (widget=widget@entry=0x414f440, event=event@entry=0x3fac090) at gtkwidget.c:4894
#95 0x00000031c1a818e9 in IA__gtk_widget_event (widget=widget@entry=0x414f440, event=event@entry=0x3fac090) at gtkwidget.c:4796
#96 0x00000031c194b8e4 in IA__gtk_propagate_event (widget=0x414f440, event=0x3fac090) at gtkmain.c:2489
#97 0x00000031c194bc4b in IA__gtk_main_do_event (event=0x3fac090) at gtkmain.c:1684
#98 0x00000031c14616fc in gdk_event_dispatch (source=source@entry=0x2da8920, callback=<optimized out>, user_data=<optimized out>) at gdkevents-x11.c:2377
#99 0x000000377a2476e5 in g_main_dispatch (context=0x2d700c0) at gmain.c:2539
#100 g_main_context_dispatch (context=context@entry=0x2d700c0) at gmain.c:3075
#101 0x000000377a247a18 in g_main_context_iterate (context=0x2d700c0, block=block@entry=1, dispatch=dispatch@entry=1, 
    self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at gmain.c:3146
#102 0x000000377a247e12 in g_main_loop_run (loop=0x40785f0) at gmain.c:3340
#103 0x00000031c194ac27 in IA__gtk_main () at gtkmain.c:1256
#104 0x00000000007dd6c3 in main (argc=1, argv=0x7fffb8dda168) at main.cpp:311