There is a regression of this bug in 16.04.4LTS
Linux computer 4.4.0-119-generic #143-Ubuntu SMP Mon Apr 2 16:08:24 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
Distributor ID: Ubuntu Description: Ubuntu 16.04.4 LTS Release: 16.04 Codename: xenial
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 388 root 20 0 201472 100776 8516 R 95,7 2,9 19:57.46 plymouthd
ii liblightdm-gobject-1-0:amd64 1.18.3-0ubuntu1.1 amd64 LightDM GObject client library ii lightdm 1.18.3-0ubuntu1.1 amd64 Display Manager
There is a regression of this bug in 16.04.4LTS
Linux computer 4.4.0-119-generic #143-Ubuntu SMP Mon Apr 2 16:08:24 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
Distributor ID: Ubuntu
Description: Ubuntu 16.04.4 LTS
Release: 16.04
Codename: xenial
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
388 root 20 0 201472 100776 8516 R 95,7 2,9 19:57.46 plymouthd
ii liblightdm- gobject- 1-0:amd64 1.18.3-0ubuntu1.1 amd64 LightDM GObject client library
ii lightdm 1.18.3-0ubuntu1.1 amd64 Display Manager