Comment 2 for bug 923237

StacktraceTop:
 nautilus_icon_canvas_item_get_drag_surface (item=0x1) at nautilus-icon-canvas-item.c:448
 drag_begin_callback (widget=0x8c5e080, context=0x8e3dea0, data=0x0) at nautilus-icon-dnd.c:1304
 g_cclosure_marshal_VOID__OBJECT (closure=0x8cbd760, return_value=0x0, n_param_values=2, param_values=0x8c46e78, invocation_hint=0xbfd28840, marshal_data=0x0) at /build/buildd/glib2.0-2.31.12/./gobject/gmarshal.c:644
 g_closure_invoke (closure=0x8cbd760, return_value=0x0, n_param_values=2, param_values=0x8c46e78, invocation_hint=0xbfd28840) at /build/buildd/glib2.0-2.31.12/./gobject/gclosure.c:774
 signal_emit_unlocked_R (node=0x89f7090, detail=0, instance=0x8c5e080, emission_return=0x0, instance_and_params=0x8c46e78) at /build/buildd/glib2.0-2.31.12/./gobject/gsignal.c:3302