In my case the LUKS stuff was unrelated and I was experiencing shutdown hangs because I had daemonizing processes started by /etc/rc.local: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1656237
I managed to discover that by pre-killing a bunch of processes before shutting down, which eventually narrowed down the cause. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1554795 Title: timeout on restart or shutdown with LUKS root To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1554795/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
