It looks as if the issue is related to the following line from the logs: QSocketNotifier: Can only be used with threads started with QThread
Inspecting the dbus calls sent by the system, I found out that the contact information request dbus call isn't made until after the timeout (in my updated code) when this bug appears. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1498214 Title: account-polld plugins hang when displaying a notification on startup To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/account-polld/+bug/1498214/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs