This is very simple to reproduce: In yakkety: sudo apt install dbus-user-session empathy
Restart the session (or reboot), start empathy. It fails with "Error contacting the account manager", and dmesg shows several [ 63.960358] audit: type=1400 audit(1469458539.595:27): apparmor="DENIED" operation="connect" profile="/usr/lib/telepathy /mission-control-5" name="/run/user/1000/bus" pid=4563 comm="mission- control" requested_mask="wr" denied_mask="wr" fsuid=1000 ouid=1000 -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to apparmor in Ubuntu. https://bugs.launchpad.net/bugs/1604872 Title: Apps can't connect to the user's session bus, even though it exists Status in AppArmor: New Status in apparmor package in Ubuntu: In Progress Bug description: Using yakkety with systemd user session makes telepathy unhappy because access to /run/user/<nnn>/bus is denied To manage notifications about this bug go to: https://bugs.launchpad.net/apparmor/+bug/1604872/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
