gnome-shell-dbg software package provides Debugging symbols for GNOME Shell, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install gnome-shell-dbg
gnome-shell-dbg is installed in your system.
Make ensure the gnome-shell-dbg package were installed using the commands given below,
$ sudo dpkg-query -l | grep gnome-shell-dbg *
You will get with gnome-shell-dbg package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Debug packages |
| Package | gnome-shell-dbg |
| Version | 3.18.4-0ubuntu3 |
| Description | Debugging symbols for GNOME Shell |
| Sub Section | debug |