(gdb) r Starting program: /Users/su_v/TEMP/inkscape-repo/mptrunk-092x-x11/inst/bin/inkscape Reading symbols for shared libraries +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++............................................................................................................................................................... done Reading symbols for shared libraries . done Reading symbols for shared libraries . done Reading symbols for shared libraries . done Reading symbols for shared libraries . done ** ERROR:../../src/sp-object.cpp:1010:void SPObject::readAttr(const gchar *): assertion failed: (this->getRepr() != NULL) Program received signal SIGABRT, Aborted. 0x0000000103f00ce2 in __pthread_kill () (gdb) bt #0 0x0000000103f00ce2 in __pthread_kill () #1 0x0000000103dbf7d2 in pthread_kill () #2 0x0000000103db0a7a in abort () #3 0x000000010343df99 in g_assertion_message () #4 0x000000010343dff7 in g_assertion_message_expr () #5 0x0000000100140598 in SPObject::readAttr () #6 0x000000010013e365 in SPObject::repr_attr_changed () #7 0x000000010046c539 in Inkscape::XML::CompositeNodeObserver::notifyAttributeChanged () #8 0x00000001004790ac in Inkscape::XML::SimpleNode::setAttribute () #9 0x000000010047b7cf in sp_repr_undo_log () #10 0x00000001000487a6 in Inkscape::DocumentUndo::cancel () #11 0x0000000100200496 in Inkscape::Extension::ExecutionEnv::undo () #12 0x000000010020ccaa in Inkscape::Extension::PrefDialog::preview_toggle () #13 0x00000001000297da in sigc::internal::signal_emit0::emit () #14 0x00000001026b3321 in Glib::SignalProxyNormal::slot0_void_callback () #15 0x00000001033ae6cb in g_closure_invoke () #16 0x00000001033c1ce7 in signal_emit_unlocked_R () #17 0x00000001033c28e8 in g_signal_emit_valist () #18 0x00000001033c2cf2 in g_signal_emit () #19 0x0000000101fec52a in gtk_toggle_button_clicked () #20 0x0000000101a12b82 in Gtk::Button_Class::clicked_callback () #21 0x00000001033ae90d in _g_closure_invoke_va () #22 0x00000001033c231f in g_signal_emit_valist () #23 0x00000001033c2cf2 in g_signal_emit () #24 0x0000000101fec4f8 in gtk_toggle_button_released () #25 0x0000000101a12af2 in Gtk::Button_Class::released_callback () #26 0x00000001033ae90d in _g_closure_invoke_va () #27 0x00000001033c231f in g_signal_emit_valist () #28 0x00000001033c2cf2 in g_signal_emit () #29 0x0000000101eaeae1 in gtk_button_button_release () #30 0x0000000101aaa2d6 in Gtk::Widget::on_button_release_event () #31 0x0000000101aa49d3 in Gtk::Widget_Class::button_release_event_callback () #32 0x0000000101f43573 in _gtk_marshal_BOOLEAN__BOXED () #33 0x00000001033ae6cb in g_closure_invoke () #34 0x00000001033c1bbd in signal_emit_unlocked_R () #35 0x00000001033c2978 in g_signal_emit_valist () #36 0x00000001033c2cf2 in g_signal_emit () #37 0x000000010203a0de in gtk_widget_event_internal () #38 0x0000000101f418c6 in gtk_propagate_event () #39 0x0000000101f414ea in gtk_main_do_event () #40 0x00000001022dcfa1 in gdk_event_dispatch () #41 0x000000010341ff01 in g_main_context_dispatch () #42 0x00000001034201e0 in g_main_context_iterate () #43 0x0000000103420434 in g_main_loop_run () #44 0x0000000101f40f0d in gtk_main () #45 0x0000000100003355 in sp_main_gui () #46 0x00000001000027a4 in start () (gdb) q