try 5.2.8 from https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.2.8/
the same, last mesage in console
Started Show Plymouth Power Off Screen Starting Power-Off [... ] systemd-shutdown [1]: Failed to wait for process: Protocol error
try 5.2.8 from https:/ /kernel. ubuntu. com/~kernel- ppa/mainline/ v5.2.8/
the same, last mesage in console
Started Show Plymouth Power Off Screen
Starting Power-Off
[... ] systemd-shutdown [1]: Failed to wait for process: Protocol error