Ubuntu

LightDM crashes if switching to greeter and greeter type is not installed

Reported by errors.ubuntu.com bug bridge on 2013-10-30
16
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Light Display Manager
Medium
Robert Ancell
1.8
Medium
Robert Ancell
1.9
Medium
Robert Ancell
lightdm (Ubuntu)
Status tracked in Trusty
Saucy
Medium
Robert Ancell
Trusty
Medium
Robert Ancell

Bug Description

LightDM crashes if switching to greeter and greeter type is not installed.

To reproduce:
1. Configure LightDM to have an unknown greeter and an autologin user
[SeatDefaults]
autologin-user=someuser
greeter-session=UNKNOWN
2. Start LightDM
3. Quit session
Expected result:
LightDM quits as it is unable to start a session
Observed result:
LightDM crashes

More information at:
https://errors.ubuntu.com/problem/b2cc6003aad48170d1582b2625b82c7f599942b5

summary: - /usr/sbin/lightdm:11:seat_xlocal_create_display_server:create_display_server:seat_switch_to_greeter:display_server_stopped_cb:_g_closure_invoke_va
+ LightDM crashes if switching to greeter and greeter type is not
+ installed
description: updated
Changed in lightdm (Ubuntu):
importance: Undecided → Medium
assignee: nobody → Robert Ancell (robert-ancell)
status: New → In Progress
Changed in lightdm:
status: New → In Progress
importance: Undecided → Medium
assignee: nobody → Robert Ancell (robert-ancell)
description: updated
Changed in lightdm (Ubuntu Saucy):
status: New → Triaged
importance: Undecided → Medium
PS Jenkins bot (ps-jenkins) wrote :

Fix committed into lp:lightdm at revision 1834, scheduled for release in lightdm, milestone Unknown

Changed in lightdm:
status: In Progress → Fix Committed
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package lightdm - 1.9.3-0ubuntu1

---------------
lightdm (1.9.3-0ubuntu1) trusty; urgency=low

  * New upstream release:
    - Don't pass system user accounts from AccountsService to greeters.
      (LP: #1248541)
    - Fix crash if switching to greeter and it isn't installed. (LP: #1246529)
 -- Robert Ancell <email address hidden> Thu, 07 Nov 2013 15:07:34 +1300

Changed in lightdm (Ubuntu Trusty):
status: In Progress → Fix Released
Changed in lightdm:
status: Fix Committed → Fix Released
Changed in lightdm (Ubuntu Saucy):
assignee: nobody → Robert Ancell (robert-ancell)
status: Triaged → In Progress

Hello errors.ubuntu.com, or anyone else affected,

Accepted lightdm into saucy-proposed. The package will build now and be available at http://launchpad.net/ubuntu/+source/lightdm/1.8.5-0ubuntu1 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, and change the tag from verification-needed to verification-done. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed. In either case, details of your testing will help us make a better decision.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance!

Changed in lightdm (Ubuntu Saucy):
status: In Progress → Fix Committed
tags: added: verification-needed

The fix for this bug has been awaiting testing feedback in the -proposed repository for saucy for more than 90 days. Please test this fix and update the bug appropriately with the results. In the event that the fix for this bug is still not verified 15 days from now, the package will be removed from the -proposed repository.

tags: added: removal-candidate
Sebastien Bacher (seb128) wrote :

Confirming the fix, with the current saucy version lightdm segfaults, with the update it exists cleanly with a reason in the log

tags: added: verification-done
removed: verification-needed
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package lightdm - 1.8.5-0ubuntu1

---------------
lightdm (1.8.5-0ubuntu1) saucy; urgency=low

  * New upstream release:
    - Don't pass system user accounts from AccountsService to greeters.
      (LP: #1248541)
    - Fix crash if switching to greeter and it isn't installed. (LP: #1246529)
 -- Robert Ancell <email address hidden> Thu, 07 Nov 2013 15:39:20 +1300

Changed in lightdm (Ubuntu Saucy):
status: Fix Committed → Fix Released

The verification of the Stable Release Update for lightdm has completed successfully and the package has now been released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regresssions.

To post a comment you must log in.
This report contains Public information  Edit
Everyone can see this information.

Duplicates of this bug

Other bug subscribers