I just tested plymouth --ping and it hangs again. Aborting and rerunning it with --debug gives the same output as you:
haster@schootbak3:~ $ plymouth --ping ^C haster@schootbak3:~ $ plymouth --debug --ping [ply-event-loop.c:759] ply_event_loop_stop_watching_fd:stopping watching fd 6 [ply-event-loop.c:775] ply_event_loop_stop_watching_fd:removing destination for fd 6 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1705345 Title: Installing packages hangs on plymouth --ping To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/plymouth/+bug/1705345/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs