See also <https://bugs.launchpad.net/lightdm-gtk-greeter/+bug/792242> "power button shuts down immediatly (no warning)"
This seems to be a different manifestation of what is likely the same problem.
See also <https:/ /bugs.launchpad .net/lightdm- gtk-greeter/ +bug/792242> "power button shuts down immediatly (no warning)"
This seems to be a different manifestation of what is likely the same problem.