group.of.nepali.translators team mailing list archive

Thread
Date

[Bug 1656399] Re: Returning to existing session is unreliable and can leave on blank screen

To: group.of.nepali.translators@xxxxxxxxxxxxxxxxxxx
From: Launchpad Bug Tracker <1656399@xxxxxxxxxxxxxxxxxx>
Date: Wed, 22 Feb 2017 11:07:18 -0000
Reply-to: Bug 1656399 <1656399@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

This bug was fixed in the package lightdm - 1.21.5-0ubuntu1

---------------
lightdm (1.21.5-0ubuntu1) zesty; urgency=medium

  * New upstream release:
    - Fix logic that checked if a session was being stopped.
      This fixes a race condition that could cause logging into an existing
      session from a greeter to not return to that session. (LP: #1656399)

 -- Robert Ancell <robert.ancell@xxxxxxxxxxxxx>  Wed, 22 Feb 2017
12:38:50 +1300

** Changed in: lightdm (Ubuntu)
       Status: In Progress => Fix Released

-- 
You received this bug notification because you are a member of नेपाली
भाषा समायोजकहरुको समूह, which is subscribed to Xenial.
Matching subscriptions: Ubuntu 16.04 Bugs
https://bugs.launchpad.net/bugs/1656399

Title:
  Returning to existing session is unreliable and can leave on blank
  screen

Status in Light Display Manager:
  Fix Released
Status in Light Display Manager 1.10 series:
  Fix Committed
Status in Light Display Manager 1.18 series:
  Fix Committed
Status in Light Display Manager 1.20 series:
  Fix Committed
Status in lightdm package in Ubuntu:
  Fix Released
Status in lightdm source package in Trusty:
  Triaged
Status in lightdm source package in Xenial:
  Triaged
Status in lightdm source package in Yakkety:
  Triaged

Bug description:
  [Impact]
  Due to a logic bug LightDM returning to an existing session from a greeter can be unreliable. This case is common in systems which use the greeter as a lock screen.

  The bug was introduced in revision 1954 to fix bug 1296276. The race
  condition seems to have been made more likely to the change in
  revision 2437 to fix bug 1637758.

  [Test Case]
  1. Log into a session
  2. Switch to the greeter (e.g. dm-tool switch-to-greeter)
  3. Log in again

  Expected result
  Returned to existing session

  Observed result
  Not always returned, can end up on blank screen. Since this is a race condition this may not occur on some systems.

  [Regression Potential]
  Low, the fix is to correct a logic bug that made LightDM think it hadn't stopped a session correctly.

To manage notifications about this bug go to:
https://bugs.launchpad.net/lightdm/+bug/1656399/+subscriptions