Public bug reported:
I don't think it's just me, as I'm able to reproduce this on 2 physical
systems as well as a vanilla qemu/kvm instance, immediately after fresh
installs from both ubuntu-16.04.1-desktop-amd64.iso and ubuntu-16.04.2
-desktop-amd64.iso
When I run 'sudo init 1' or 'sudo telinit 1' from any virtual console, the
system never gets to single-user mode. Instead, I am presented with a
non-functioning login prompt and no way to actually interact with the machine
except Ctrl-Alt-Del, which luckily still works.
The login prompts look normal, but only appear on two virtual consoles:
tty1 always, plus the one I was using (if it wasn't tty1). All others
are blank. Typing my username results in the message "System is going
down," instead of a password prompt. After a couple of minutes, it will
clear the screen and draw a fresh prompt, with the same results;
otherwise, nothing changes until I give the three-fingered salute to
reboot. I've attached a screenshot from the VM.
This happens regardless of whether I first log out of my desktop, stop
the lightdm service entirely, or neither. The truly bizarre part is that
if I enter the command from inside a gnome-terminal running on the
desktop, it works as expected. It's a little unbelievable, but seems to
be reliably reproduceable.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: init 1.29ubuntu3
ProcVersionSignature: Ubuntu 4.8.0-36.36~16.04.1-generic 4.8.11
Uname: Linux 4.8.0-36-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
Architecture: amd64
CurrentDesktop: Unity
Date: Fri Mar 10 22:10:34 2017
InstallationDate: Installed on 2017-03-11 (0 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64
(20170215.2)
SourcePackage: init-system-helpers
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
** Package changed: init-system-helpers (Ubuntu) => systemd (Ubuntu)
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https://bugs.launchpad.net/bugs/1671991
Title:
init 1 locks you out of system immediately when run from virtual
console
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