Autor: Mark Hindley
Data:
A: Boruch Baum, 260
Assumpte: [devuan-dev] bug#260: gufw: segfault gufw-pkexec
Control: tags -1 moreinfo
Boruch.
Are you using Wayland? If so, I think this is the same as
https://bugs.launchpad.net/ubuntu/+source/gui-ufw/+bug/1592380
The fix[1] is to run
xhost si:localuser:root
Mark
[1]
https://bugs.launchpad.net/ubuntu/+source/gui-ufw/+bug/1592380/comments/6