libgl1-mesa-dri-dbg software package provides Debugging symbols for the Mesa DRI modules, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libgl1-mesa-dri-dbg
libgl1-mesa-dri-dbg is installed in your system.
Make ensure the libgl1-mesa-dri-dbg package were installed using the commands given below,
$ sudo dpkg-query -l | grep libgl1-mesa-dri-dbg *
You will get with libgl1-mesa-dri-dbg package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Library development |
| Package | libgl1-mesa-dri-dbg |
| Version | 10.1.0-4ubuntu5 |
| Description | Debugging symbols for the Mesa DRI modules |
| Sub Section | libdevel |