I have not digged deep into this bug, and I am not able to reproduce it, when it happen "I don't have time for it", so I just restart firefox, so I am not sure.

I have not digged deep into this bug, and I am not able to reproduce it, when it happen "I don't have time for it", so I just restart firefox, so I am not sure. But I had this bug only with firefox. But that doesn't say anything because firefox is one of the only GTK app I keep running for very long period of time.