[Bug 1412791] Re: automatic login configured in ubiquity cannot be disabled by gnome-control-center

[Brian Murray]

ubiquity (2.21.22) vivid; urgency=medium                                                                                                      
                                                                                                                                              
  * Automatic update of included source packages: partman-efi 62ubuntu2,                                                                      
    user-setup 1.48ubuntu5.                                                                                                                   
  * debian/ubiquity.templates: add a string for "Continue in UEFI mode".                                                                      
  * ubiquity/plugins/ubi-partman.py: Fix up the buttons for the non_efi_system                                                                
    question to use the new string for UEFI mode.                                                                                             
  * ubiquity/plugins/ubi-partman.py: try to reverse the meaning of the debconf                                                                
    partman-efi/non_efi_system question so that "Continue in UEFI mode" will                                                                  
    actually really mean continuing with setting up an EFI System Partition                                                                   
    and "Go Back" will properly return to the partitioning scheme selection                                                                   
    page and allow to try again without an ESP. (LP: #1444104)

** Changed in: ubiquity (Ubuntu)
       Status: Triaged => Fix Released

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https://bugs.launchpad.net/bugs/1412791

Title:
  automatic login configured in ubiquity cannot be disabled by gnome-
  control-center

Status in Ubuntu GNOME:
  New
Status in ubiquity package in Ubuntu:
  Fix Released
Status in user-setup package in Ubuntu:
  Fix Released

Bug description:
  Release: vivid (fresh install with ubuntu-gnome-desktop)
  Version: 
      ubiquity 2.21.4
      gnome-control-center 1:3.14.2-2ubuntu1
      gdm 3.14.1-0ubuntu1

  
  What I expected:

  + Fresh install with ubiquity, create a user with auto-login enabled
  + User logs in automatically on subsequent boots
  + Disable auto-login via System -> Users -> Unlock -> Automatic login (OFF)
  + Restart and see gdm login dialog

  What happened:

  + After disabling auto-login, the user is nonetheless automatically
  logged if gdm is left alone for 10 seconds

  If auto-login is selected in ubiquity, it appears to write the
  following into /etc/gdm/custom.conf (relevant code at d-i/source/user-
  setup/user-setup-apply:268)

      AutomaticLoginEnable=true
      AutomaticLogin=$USER
      TimedLoginEnable=true
      TimedLogin=$USER
      TimedLoginDelay=10

  While toggling auto-login in gnome-control-center only appears to
  toggle the value after AutomaticLoginEnable (and hence, timed login
  remains true, and the assumption that a password should now be
  required is violated).

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