I am sorry, but I can't find how to install that package. I did:
$ sudo apt-get update Hit:1 http://il.archive.ubuntu.com/ubuntu xenial InRelease Hit:2 http://il.archive.ubuntu.com/ubuntu xenial-updates InRelease Hit:3 http://il.archive.ubuntu.com/ubuntu xenial-backports InRelease Hit:4 http://il.archive.ubuntu.com/ubuntu xenial-proposed InRelease Hit:5 http://security.ubuntu.com/ubuntu xenial-security InRelease Ign:6 http://linux.dropbox.com/ubuntu xenial InRelease Ign:7 http://linux.dropbox.com/ubuntu wily InRelease Hit:8 http://linux.dropbox.com/ubuntu xenial Release Hit:9 http://linux.dropbox.com/ubuntu wily Release Reading package lists... Done So clearly, -proposed is there. And then: $ sudo apt-get install mesa/xenial-proposed Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package mesa What package exactly should I be looking for? -- 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