trusty-backports has "NotAutomatic: yes" http://archive.ubuntu.com/ubuntu/dists/trusty-backports/Release
Which means that, for binary packages at least, you have to explicitly ask for them from -backports (or have that forced on you by package relations). Does this not apply to source packages too? If not, this might be an apt bug / feature request too. (Just checked... ubuntu@test:~$ apt-cache policy lxc lxc: Installed: (none) Candidate: 1.0.7-0ubuntu0.10 # correctly respects NotAutomatic Version table: 1.1.5-0ubuntu3~ubuntu14.04.1 0 100 http://nova.clouds.archive.ubuntu.com/ubuntu/ trusty-backports/main amd64 Packages 1.0.7-0ubuntu0.10 0 500 http://nova.clouds.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages 1.0.7-0ubuntu0.7 0 500 http://security.ubuntu.com/ubuntu/ trusty-security/main amd64 Packages 1.0.3-0ubuntu3 0 500 http://nova.clouds.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages ubuntu@test:~$ apt-get source lxc […] Get:1 http://nova.clouds.archive.ubuntu.com/ubuntu/ trusty-backports/main lxc 1.1.5-0ubuntu3~ubuntu14.04.1 (dsc) [2458 B] So no, it doesn't.) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1517426 Title: don't apt-get source packages from -backports To manage notifications about this bug go to: https://bugs.launchpad.net/auto-package-testing/+bug/1517426/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs