Guido Schimmels wrote: >This is a bug in gtk-2.8.0. gtk-2.8.0 is a lemon, gtk-2.8.1 is worse. Upgrade to gtk-2.8.2. >I don't promise it solves all the firefox issues (I can't know). But you want to do that anyway. >gtk-2.8.0 and gtk-2.8.1 are really, really buggy. > > just for info: i did the upgrade. unfortunately the warnings remain. greets, frank.