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[Matteo Panella <morpheus@xxxxxxxxxxx>]

It looks like that nobody is actually issuing the indicator-services-end
upstart signal, so the stop events of *all* indicators for lightdm
sessions never get fired. The other indicators just die because the
session bus disappears under their feet, but indicator-sound-service
keeps hanging around (even respawning pulseaudio in some cases!).

I don't really know who's at fault here - IMHO not upstart, which is
doing the right thing (respawning dead indicators until they try to
respawn too fast). Perhaps the greeter should clean after itself - after
all, the indicator-services-start is fired by it.

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https://bugs.launchpad.net/bugs/1322275

Title:
  lightdm sessions started by dm-tool lock (or a session locker) never
  get closed

Status in Light Display Manager:
  New
Status in lightdm package in Ubuntu:
  Confirmed
Status in upstart package in Ubuntu:
  Confirmed

Bug description:
  dm-tool lock starts a new lightdm greeter (for unlocking) and a new
  logind session. After unlocking the greeter disappears, but the logind
  session never closes. loginctl session status c24 reports something
  like:

  c24 - lightdm (103)
             Since: Thu 2014-05-22 18:38:27 CEST; 30min ago
            Leader: 7872
              Seat: seat0; vc8
           Display: :1
           Service: lightdm-greeter; type x11; class greeter
             State: closing
            CGroup: systemd:/user/103.user/c24.session
                    └─7907 init --user --startup-event indicator-services-start

  This results in an accumulation of stale lightdm sessions after using
  e.g. a session locker for a while.

  I get this issue on a freshly installed and fully updated Xubuntu
  14.04.

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