lightdm-gtk-greeter-team team mailing list archive

[f_padia <861171@xxxxxxxxxxxxxxxxxx>]

you do not even have to be logged into multiple user accounts. On my laptop I cant shutdown/restart if I am even logged into 1 account. Bit silly that not even a message pops up to say "cannot shut down because...". 
I think this is a serious usability issue. If there were concerns that the dodge behaviour of the launcher was confusing to new users then this behaviour of the unity greeter will cause new users to lose their minds.

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https://bugs.launchpad.net/bugs/861171

Title:
  Shutdown from greeter does nothing when multiple accounts open

Status in The Session Menu:
  Triaged
Status in LightDM GTK+ Greeter:
  Triaged
Status in Unity Greeter:
  Triaged
Status in “unity-greeter” package in Ubuntu:
  Triaged

Bug description:
  Selecting shutdown from the greeter does nothing when multiple
  accounts are open.

  This is because the lightdm user (which the greeter runs as) does not
  have permission to shutdown while sessions are open.  Inside a normal
  session this would just return you to the login screen.

  The solution is either for the indicator to say "not allowed" or to
  run a PolicyKit frontend in the greeter than can get the required
  permissions to perform the shutdown.

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