[Bug 1527843] Re: systemd-logind failed to enable subscription: launch helper exited with unknown return code 1

[Martin Pitt]

This does not apply to 16.04 any more, the launch helper got eliminated
completely. That said, 15.10 under upstart still ought to work. Please
attach /var/log/syslog.

> PC does *not* start with normal boot options,

See bug 1527806 how to fix that.

** Changed in: systemd (Ubuntu)
       Status: New => Invalid

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

** Changed in: systemd (Ubuntu Wily)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1527843

Title:
  systemd-logind failed to enable subscription: launch helper exited
  with unknown return code 1

Status in systemd package in Ubuntu:
  Invalid
Status in systemd source package in Wily:
  Incomplete

Bug description:
  Started my machine succesfully at night and the next morning the screen is blank/black and no GUI available.
  Switching to TTY1 i got after the login these messages:

  [31989] systemd-logind[4272]: Failed to enable subscription: Launch helper exited with unknown return code 1
  [31989] systemd-logind[4272]: Failed to fully start up daemon: Input/output error

  The much bigger problem is:
  PC does *not* start with normal boot options, i have to choose manually the upstart option in GRUB2.
  #1527806

  It is a fresh installed Xubuntu 15.10, all packages installed via
  Synaptic or CLI.

  
  Xubuntu 15.10

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