Nope. Even using your three conditions, Egmont, it works as expected for me. I've even updated my system to 16.04 over the weekend (And that's a sore topic, BTW! What a mess!) so I'm on a newer version of GTK, 3.18 I believe. The only thing I can think of is that my crappy laptop is slow enough that I'm not running into some race condition.
Nope. Even using your three conditions, Egmont, it works as expected for me. I've even updated my system to 16.04 over the weekend (And that's a sore topic, BTW! What a mess!) so I'm on a newer version of GTK, 3.18 I believe. The only thing I can think of is that my crappy laptop is slow enough that I'm not running into some race condition.