conn-avoid-ref.cpp: avoid_item_poly: Geom:intersection failed.
conn-avoid-ref.cpp: avoid_item_poly: Geom:intersection failed.
conn-avoid-ref.cpp: avoid_item_poly: Geom:intersection failed.
conn-avoid-ref.cpp: avoid_item_poly: Geom:intersection failed.
Assertion failed: (_poly.size() == poly.size()), function setNewPoly, file libavoid/shape.cpp, line 108.

Program received signal SIGABRT, Aborted.
0x90deae42 in __kill ()
(gdb) bt
#0  0x90deae42 in __kill ()
#1  0x90deae34 in kill$UNIX2003 ()
#2  0x90e5d23a in raise ()
#3  0x90e69679 in abort ()
#4  0x90e5e3db in __assert_rtn ()
#5  0x00756dd1 in Avoid::ShapeRef::setNewPoly (this=0x81798d0, poly=@0x84b0c90) at libavoid/shape.cpp:108
#6  0x0075357f in Avoid::Router::processTransaction (this=0x7b64e00) at libavoid/router.cpp:519
#7  0x0004db65 in SPDocument::ensureUpToDate (this=0x5149ea0) at document.cpp:1003
#8  0x000568e4 in Inkscape::DocumentUndo::clearRedo () at document-undo.cpp:167
#9  0x000568e4 in Inkscape::DocumentUndo::maybeDone (doc=0x5149ea0, key=0x0, event_type=113, event_description=@0xbfffddbc) at document-undo.cpp:169
#10 0x00056fd7 in Inkscape::DocumentUndo::done (doc=0x5149ea0, event_type=113, event_description=@0xbfffddbc) at document-undo.cpp:112
#11 0x001110a7 in Inkscape::SelTrans::ungrab (this=0x7b69c00) at seltrans.cpp:511
#12 0x000fb41a in sp_select_context_root_handler (event_context=0x5d1e6a8, event=0x859f930) at select-context.cpp:623
#13 0x0006ecfc in sp_event_context_virtual_root_handler (event_context=0x5d1e6a8, event=0x859f930) at event-context.cpp:965
#14 0x0006f6ec in sp_event_context_virtual_item_handler (event_context=0x5d1e6a8, item=0x6f9a330, event=0x859f930) at event-context.cpp:1006
#15 0x0035f2cc in sp_marshal_INT__POINTER_POINTER (closure=0x8178960, return_value=0xbfffe3bc, n_param_values=3, param_values=0x5d1e6a8, invocation_hint=0xbfffe270, marshal_data=0x30500) at helper/sp-marshal.cpp:247
#16 0x03422f59 in g_closure_invoke ()
#17 0x034350d3 in signal_emit_unlocked_R ()
#18 0x034364a7 in g_signal_emit_valist ()
#19 0x01b65461 in gtk_signal_emit ()
#20 0x00254df5 in sp_canvas_arena_send_event [inlined] () at display/canvas-arena.cpp:332
#21 sp_canvas_arena_event (item=0x5f11ed8, event=0x859f930) at display/canvas-arena.cpp:319
#22 0x0035f565 in sp_marshal_BOOLEAN__POINTER (closure=0x5cc8ee0, return_value=0xbfffe80c, n_param_values=2, param_values=0x852bf30, invocation_hint=0xbfffe6c0, marshal_data=0x254d50) at helper/sp-marshal.cpp:124
#23 0x03422f59 in g_closure_invoke ()
#24 0x03435258 in signal_emit_unlocked_R ()
#25 0x034364a7 in g_signal_emit_valist ()
#26 0x01b65461 in gtk_signal_emit ()
#27 0x00277e83 in emit_event (canvas=<value temporarily unavailable, due to optimizations>, event=0x859f7a0) at display/sp-canvas.cpp:1363
#28 0x0027bb6d in sp_canvas_button (widget=0x62c4270, event=0x859f7a0) at display/sp-canvas.cpp:1569
#29 0x019cd85b in _gtk_marshal_BOOLEAN__BOXED ()
#30 0x03422f59 in g_closure_invoke ()
#31 0x03435258 in signal_emit_unlocked_R ()
#32 0x034364a7 in g_signal_emit_valist ()
#33 0x03436a69 in g_signal_emit ()
#34 0x01afc546 in gtk_widget_event_internal ()
#35 0x019cba58 in gtk_propagate_event ()
#36 0x019cbfcd in gtk_main_do_event ()
#37 0x027ea845 in gdk_event_dispatch ()
#38 0x034de51d in g_main_context_dispatch ()
#39 0x034e23ab in g_main_context_iterate ()
#40 0x034e2687 in g_main_loop_run ()
#41 0x019cafa1 in gtk_main ()
#42 0x0145059b in Gtk::Main::run ()
#43 0x000057cc in ~vector [inlined] () at stl_vector.h:982
#44 sp_main_gui (argc=1, argv=0xbffff0ec) at main.cpp:989
#45 0x000043c6 in start ()
(gdb)