thank you for your bug report, that's not a bug though, you should clean the "sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 98AB5139" line from your sources.list
** Changed in: gdm (Ubuntu) Importance: Undecided => Low ** Changed in: gdm (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/876230 Title: /etc/apt/sources.list To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm/+bug/876230/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs