I'm not sure if that helps, but in my case comment 42 did not make a difference, and I've noticed that at least from the regular Unity 7 session cgmanager hadn't been started automatically:
$ sudo service cgmanager status [sudo] password for dpm: ● cgmanager.service - Cgroup management daemon Loaded: loaded (/lib/systemd/system/cgmanager.service; disabled; vendor prese Active: inactive (dead) dpm@el-far:~$ apt-cache policy cgmanager cgmanager: Instaŀlat: 0.39-2ubuntu5 Candidat: 0.39-2ubuntu5 Taula de versió: *** 0.39-2ubuntu5 500 500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages 100 /var/lib/dpkg/status $ apt-cache policy libpam-cgfs libpam-cgm libpam-cgfs: Instaŀlat: 2.0.0~rc3-0ubuntu1 Candidat: 2.0.0~rc3-0ubuntu1 Taula de versió: *** 2.0.0~rc3-0ubuntu1 500 500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages 100 /var/lib/dpkg/status libpam-cgm: Instaŀlat: (cap) Candidat: 0.39-2ubuntu5 Taula de versió: 0.39-2ubuntu5 500 500 http://archive.ubuntu.com/ubuntu xenial/universe amd64 Packages -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to unity8 in Ubuntu. https://bugs.launchpad.net/bugs/1535058 Title: applications close instantly when launched from the launcher or dash Status in cgmanager package in Ubuntu: Invalid Status in qtmir package in Ubuntu: Invalid Status in ubuntu-app-launch package in Ubuntu: In Progress Status in unity8 package in Ubuntu: Invalid Status in upstart package in Ubuntu: Invalid Bug description: xenial applications close instantly when launched from the launcher or dash but... if i launch the apps from a VT (for ex firefox using Xmir or gedit native --), the app loads ok. what close instantly means.. it opens the window and then it closes instantly in ~0.3s To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cgmanager/+bug/1535058/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp