I would like to generate a backtrace for this and according to https://wiki.ubuntu.com/X/Backtracing there should be a file /etc/X11/core but there isn't. How to do it then?
I would like to generate a backtrace for this and according to https:/ /wiki.ubuntu. com/X/Backtraci ng there should be a file /etc/X11/core but there isn't. How to do it then?