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[Bug 1468057] Re: Emit a warning about "logind-load-seats=true" and "xdg-seat=seatXXXX" option for LightDM 1.12+

 

** Also affects: lightdm (Ubuntu Vivid)
   Importance: Undecided
       Status: New

** Changed in: lightdm (Ubuntu Vivid)
       Status: New => Triaged

** Changed in: lightdm (Ubuntu Vivid)
   Importance: Undecided => Medium

** Description changed:

- LightDM 1.12 introduced a new logind-based mechanism for loading seats.
- Such a feature was later backported to 1.10.3 (so it can be used in
- Ubuntu 14.04 LTS), but it was made optional:
+ [Impact]
  
- [LightDM]
- logind-load-seats=true
+ [Test Case]
+ 1. Add login-load-seats=true into lightdm.conf
+ 2. Run LightDM
+ 3. Check /var/log/lightdm/lightdm.log
  
- Now that we're halfway from a new Ubuntu LTS release, I think it would
- be useful if next LightDM release could emit a warning about "logind-
- load-seats=true" deprecation if it's set in lightdm.conf. Something like
- this:
+ Expected result:
+ A warning should be there that this option is no longer required.
  
- WARNING: Option "logind-load-seats=true" was specific for 1.10 series.
- You can safely remove it now.
+ Observed result:
+ No warning is shown.

** Description changed:

  [Impact]
+ Old configuration no longer has an effect but user is not given information so they can remove it.
  
  [Test Case]
  1. Add login-load-seats=true into lightdm.conf
  2. Run LightDM
  3. Check /var/log/lightdm/lightdm.log
  
  Expected result:
  A warning should be there that this option is no longer required.
  
  Observed result:
  No warning is shown.

** Changed in: lightdm/1.14
       Status: Fix Committed => Fix Released

** Description changed:

  [Impact]
  Old configuration no longer has an effect but user is not given information so they can remove it.
  
  [Test Case]
  1. Add login-load-seats=true into lightdm.conf
  2. Run LightDM
  3. Check /var/log/lightdm/lightdm.log
  
  Expected result:
  A warning should be there that this option is no longer required.
  
  Observed result:
  No warning is shown.
+ 
+ [Regression potential]
+ Low. The change just checks for presence of an option and generates a log message.

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https://bugs.launchpad.net/bugs/1468057

Title:
  Emit a warning about "logind-load-seats=true" and "xdg-seat=seatXXXX"
  option for LightDM 1.12+

Status in Light Display Manager:
  Fix Released
Status in Light Display Manager 1.14 series:
  Fix Released
Status in lightdm package in Ubuntu:
  Fix Released
Status in lightdm source package in Vivid:
  Triaged

Bug description:
  [Impact]
  Old configuration no longer has an effect but user is not given information so they can remove it.

  [Test Case]
  1. Add login-load-seats=true into lightdm.conf
  2. Run LightDM
  3. Check /var/log/lightdm/lightdm.log

  Expected result:
  A warning should be there that this option is no longer required.

  Observed result:
  No warning is shown.

  [Regression potential]
  Low. The change just checks for presence of an option and generates a log message.

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