As suggested in french forum, I looked at the previous version :
https://launchpad.net/ubuntu/+source/mesa/17.2.1-0ubuntu1/+build/13388627
Attached is the file with 'apt policy' results
As suggested in french forum, I looked at the previous version :
https:/ /launchpad. net/ubuntu/ +source/ mesa/17. 2.1-0ubuntu1/ +build/ 13388627
Attached is the file with 'apt policy' results