Console messages vary depending on which dialog was reopened last: another example are thousands of these: (inkscape:64056): GLib-GObject-CRITICAL **: g_object_new: assertion `G_TYPE_IS_OBJECT (object_type)' failed resulting in an endless backtrace I cancelled: (inkscape:64056): GLib-GObject-CRITICAL **: g_object_new: assertion `G_TYPE_IS_OBJECT (object_type)' failed Program received signal EXC_BAD_ACCESS, Could not access memory. Reason: KERN_PROTECTION_FAILURE at address: 0x00007fff5f3fffe8 0x00007fff8ae5a74e in __vfprintf () (gdb) bt #0 0x00007fff8ae5a74e in __vfprintf () #1 0x00007fff8aea5270 in vasprintf_l () #2 0x000000010572b7ee in g_vasprintf () #3 0x0000000105707edf in g_strdup_vprintf () #4 0x00000001056f1079 in g_logv () #5 0x00000001056f1224 in g_log () #6 0x00000001056f13ad in g_return_if_fail_warning () #7 0x0000000105226e25 in g_object_new () #8 0x0000000100f7b611 in gdl_dock_item_dock (object=0x108043000, requestor=0x1094a6500, position=GDL_DOCK_TOP, other_data=0x0) at gdl-dock-item.c:1489 #9 0x0000000100f8fc12 in gdl_marshal_VOID__OBJECT_ENUM_BOXED (closure=0x107a9a900, return_value=0x0, n_param_values=4, param_values=0x1063fe800, invocation_hint=0x7fff5f401150, marshal_data=0x100f7ae90) at libgdlmarshal.c:165 #10 0x000000010521fb3c in g_closure_invoke () #11 0x000000010522f359 in signal_emit_unlocked_R () #12 0x000000010523037b in g_signal_emit_valist () #13 0x00000001052309b4 in g_signal_emit () #14 0x0000000100f6d525 in gdl_dock_object_dock (object=0x108043000, requestor=0x1094a6500, position=GDL_DOCK_TOP, other_data=0x0) at gdl-dock-object.c:635 #15 0x0000000100f76215 in gdl_dock_add_item (dock=0x1063cf570, item=0x1094a6500, placement=GDL_DOCK_TOP) at gdl-dock.c:1225 #16 0x0000000100f744f4 in gdl_dock_add (container=0x1063cf570, widget=0x1094a6500) at gdl-dock.c:693 #17 0x000000010521fb3c in g_closure_invoke () #18 0x000000010522f359 in signal_emit_unlocked_R () #19 0x000000010523037b in g_signal_emit_valist () #20 0x00000001052309b4 in g_signal_emit () #21 0x0000000100f7bdd6 in gdl_dock_item_dock (object=0x108043000, requestor=0x1094a6500, position=GDL_DOCK_TOP, other_data=0x0) at gdl-dock-item.c:1595 #22 0x0000000100f8fc12 in gdl_marshal_VOID__OBJECT_ENUM_BOXED (closure=0x107a9a900, return_value=0x0, n_param_values=4, param_values=0x1063ffb60, invocation_hint=0x7fff5f401d90, marshal_data=0x100f7ae90) at libgdlmarshal.c:165 #23 0x000000010521fb3c in g_closure_invoke () #24 0x000000010522f359 in signal_emit_unlocked_R () #25 0x000000010523037b in g_signal_emit_valist () #26 0x00000001052309b4 in g_signal_emit () #27 0x0000000100f6d525 in gdl_dock_object_dock (object=0x108043000, requestor=0x1094a6500, position=GDL_DOCK_TOP, other_data=0x0) at gdl-dock-object.c:635 #28 0x0000000100f76215 in gdl_dock_add_item (dock=0x1063cf570, item=0x1094a6500, placement=GDL_DOCK_TOP) at gdl-dock.c:1225 #29 0x0000000100f744f4 in gdl_dock_add (container=0x1063cf570, widget=0x1094a6500) at gdl-dock.c:693 #30 0x000000010521fb3c in g_closure_invoke () #31 0x000000010522f359 in signal_emit_unlocked_R () #32 0x000000010523037b in g_signal_emit_valist () #33 0x00000001052309b4 in g_signal_emit () #34 0x0000000100f7bdd6 in gdl_dock_item_dock (object=0x108043000, requestor=0x1094a6500, position=GDL_DOCK_TOP, other_data=0x0) at gdl-dock-item.c:1595 #35 0x0000000100f8fc12 in gdl_marshal_VOID__OBJECT_ENUM_BOXED (closure=0x107a9a900, return_value=0x0, n_param_values=4, param_values=0x1063ffb00, invocation_hint=0x7fff5f4029d0, marshal_data=0x100f7ae90) at libgdlmarshal.c:165 #36 0x000000010521fb3c in g_closure_invoke () #37 0x000000010522f359 in signal_emit_unlocked_R () #38 0x000000010523037b in g_signal_emit_valist () #39 0x00000001052309b4 in g_signal_emit ()