[Bug 2084453] Re: systemd 256 blocks root logins before systemd-user-sessions.service is up

[Nick Rosbrook]

** Also affects: systemd (Ubuntu Oracular)
   Importance: Undecided
       Status: New

** Changed in: systemd (Ubuntu Oracular)
   Importance: Undecided => Medium

** Tags added: systemd-sru-next

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Title:
  systemd 256 blocks root logins before systemd-user-sessions.service is
  up

Status in systemd package in Ubuntu:
  New
Status in systemd source package in Oracular:
  New

Bug description:
  In 24.10 oracular (this didn't happen in 24.04), it's impossible to
  connect to a machine before systemd-user-sessions.service is started.
  This is stricter than having /etc/nologin / /run/nologin / pam_nologin
  blocking logins, because it also applies to root logins.

  systemd-user-sessions waits for things like remote-fs.service, overall
  this makes it impossible to unlock encrypted partitions remotely or to
  troubleshoot boot issues without messing with the kernel command line
  through the boot loader.

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