I installed the libgl1-mesa-dri package from the paulo-miguel-dias repository, now everything seems to work fine, unity desktop. I haven't tried blender.
apt policy libgl1-mesa-dri libgl1-mesa-dri: Instal·lat: 1:17.3.1-1~a~padoka0 Candidat: 1:17.3.1-1~a~padoka0 Taula de versió: *** 1:17.3.1-1~a~padoka0 500 500 http://ppa.launchpad.net/paulo-miguel-dias/pkppa/ubuntu artful/main amd64 Packages 100 /var/lib/dpkg/status 17.2.4-0ubuntu1~17.10.2 500 500 http://es.archive.ubuntu.com/ubuntu artful-proposed/main amd64 Packages 17.2.2-0ubuntu1 500 500 http://es.archive.ubuntu.com/ubuntu artful/main amd64 Packages -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1735594 Title: [regression] compiz crashes after Mesa upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1735594/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp