On Sat, 2018-12-29 at 11:58 +0100, Dridi Boukelmoune wrote:
I ran `xprop | grep PID` to find it belonged to no process.
If you can reproduce this bug with Evolution, you should file a new
bug on rhbz.
It's a random occurrence. The good news is that it hasn't happened after
the last update.
Dridi, thanks for the feedback and the 'xprop' tip.