Moreover problem appear not only in 18.04 but also in 18.10 version.
Rolling back gnome-shell and gnome-shell-common packages fix this problem, so i added gnome-shell to affected packages.
according to this launchpad - https://launchpad.net/ubuntu/+source/gnome-shell
for Ubuntu 18.04:
- gnome-shell and gnome-shell-common version 3.28.3-0ubuntu0.18.04.4 is affected by this problem
- gnome-shell and gnome-shell-common version 3.28.1-0ubuntu2 is doesn't affected by this problem
for Ubunut 18.10
- gnome-shell and gnome-shell-common version 3.30.1-2ubuntu1.18.10.2 is affected by this problem
- gnome-shell and gnome-shell-common version 3.30.1-2ubuntu1 is doesn't affected by this problem
Moreover problem appear not only in 18.04 but also in 18.10 version.
Rolling back gnome-shell and gnome-shell-common packages fix this problem, so i added gnome-shell to affected packages.
according to this launchpad - https:/ /launchpad. net/ubuntu/ +source/ gnome-shell 0ubuntu0. 18.04.4 is affected by this problem
for Ubuntu 18.04:
- gnome-shell and gnome-shell-common version 3.28.3-
- gnome-shell and gnome-shell-common version 3.28.1-0ubuntu2 is doesn't affected by this problem
for Ubunut 18.10 2ubuntu1. 18.10.2 is affected by this problem
- gnome-shell and gnome-shell-common version 3.30.1-
- gnome-shell and gnome-shell-common version 3.30.1-2ubuntu1 is doesn't affected by this problem