@Emmanuel If you get an error installing sudo apt-get install libgl1-mesa-dri/xenial-proposed, temporarily remove the file `/etc/apt/preferences.d/proposed-updates`
Add that file again afterwards to prevent upgrading all packages in proposed. Package: * Pin: release a=xenial-proposed Pin-Priority: 400 See https://wiki.ubuntu.com/Testing/EnableProposed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to 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 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs