Errors and Comments from pam (here: pam-pkcs11) are written in user-names - and therefore unreadable

Bug #968855 reported by Lars Düsing on 2012-03-30
This bug affects 2 people
Affects Status Importance Assigned to Milestone
Unity Greeter
Fix Released
unity-greeter (Ubuntu)

Bug Description

* Impact:
PAM messages overwrite LightDM's user field when using pkcs11 smartcard authentication

* Test case:
- Setup smartcard authentication.
- Start unity-greeter

-> Without the fix the username is obscured by PAM messages.

* Regression potential:
Look at how/where pam messages are displayed on the login screen (wrong password, etc)

Lars Düsing (lars.duesing) wrote :
Lars Düsing (lars.duesing) wrote :

"Bug" is sort of duplicate of LP: #838555

Robert Ancell (robert-ancell) wrote :

Hi Lars, I will mark it as a duplicate as multi-line support is one specific feature of bug 838555. Please add the screenshot to that bug as an example of what we need to support. Thanks.

Changed in unity-greeter:
status: New → Triaged
Robert Ancell (robert-ancell) wrote :

Fixed in unity-greeter 0.2.10

Changed in unity-greeter:
importance: Undecided → High
status: Triaged → Fix Committed
Robert Ancell (robert-ancell) wrote :

Note was also fixed in 12.10.x

Changed in unity-greeter:
status: Fix Committed → Fix Released
Changed in ubuntu:
status: New → Fix Released
importance: Undecided → Medium
Sebastien Bacher (seb128) wrote :

@Robert: I think the fix commited status for precise was wrong, the fix is commited in but still needs to be SRUed right?

Ritesh Khadgaray (khadgaray) wrote :

Hi @seb128 @Robert

  This patch from c#6 fixes the issues, verified by the frontline .

Thank you
-- ritz

Ritesh Khadgaray (khadgaray) wrote :
affects: ubuntu → unity-greeter (Ubuntu)
description: updated
Changed in unity-greeter (Ubuntu Precise):
status: Triaged → In Progress

Hello Lars, or anyone else affected,

Accepted unity-greeter into precise-proposed. The package will build now and be available at in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See 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 . Thank you in advance!

Changed in unity-greeter (Ubuntu Precise):
status: In Progress → Fix Committed
tags: added: verification-needed
Jonathan Davies (jpds) wrote :


tags: added: verification-done
removed: verification-needed

The verification of this Stable Release Update 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.

Launchpad Janitor (janitor) wrote :

This bug was fixed in the package unity-greeter - 0.2.9-0ubuntu1.1

unity-greeter (0.2.9-0ubuntu1.1) precise; urgency=low

  * debian/patches/r402_pam_text.patch.patch:
    - Errors and Comments from pam (here: pam-pkcs11) are written in user-names
      and therefore unreadable ( lp: #968855)
 -- Ritesh Khadgaray <email address hidden> Wed, 06 Feb 2013 18:43:01 +0530

Changed in unity-greeter (Ubuntu Precise):
status: Fix Committed → Fix Released
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