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Re: [Bug 1311316] Re: After locking screen there is no input field to type password for unlock

 

Because we don't show a text entry if PAM (the authentication module) does
not respond correctly. We wait for PAM to ask the passoword not the
opposite, and if PAM fails there is nothing we can do about. Briefly PAM
works like that: we ask to authenticate the current user, pam responds
asking us to show a text entry with some text (like "Password:", etc...),
we send the password to pam, etc.  If for some reasons pam cannot
authenticate the current user, it answers with an error.

Gnome Screensaver was working out of the box?

2014-12-08 9:41 GMT+01:00 Philipp Wendler <1311316@xxxxxxxxxxxxxxxxxx>:

> I cannot imagine how a missing password input field in the lock screen
> could be related to an LDAP configuration issue on our side.
> If the authentication would fail after entering the password, then yes, of
> course this could be such a problem.
> But a password field should always be shown by the unlock screen,
> regardless of the authentication backend.
>
> Also our LDAP configuration is working for several years now without
> problems.
> Only since the upgrade to Ubuntu 14.04 this problem with the lock screen
> has started appearing.
> All other applications, including the login screen (lightdm) are working
> fine.
>
> By the way, we have a dual monitor setup, too.
> Our home file systems are on an NFS fileserver, mounted using automount
> and with root_squash enabled (this means that root does not have full
> access to my home directory, but only the same rights as all other
> accounts). If there is a root process trying to access files in my home
> this would fail.
>
> --
> You received this bug notification because you are a bug assignee.
> https://bugs.launchpad.net/bugs/1311316
>
> Title:
>   After locking screen there is no input field to type password for
>   unlock
>
> Status in Unity:
>   Confirmed
> Status in Unity 7.2 series:
>   Confirmed
> Status in unity package in Ubuntu:
>   Fix Released
>
> Bug description:
>   Sometimes (but not always) after locking the screen there is the
>   situation not having any input field where I can type the password to
>   unlock the session again. The shaded gray area simply does not have
>   the input field. I can't do anything, I have to switch to text console
>   and stop/start lightdm service to cure the problem loosing all of my
>   session :(
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 14.04
>   Package: unity 7.2.0+14.04.20140416-0ubuntu1
>   ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
>   Uname: Linux 3.13.0-24-generic i686
>   ApportVersion: 2.14.1-0ubuntu3
>   Architecture: i386
>   CompizPlugins: No value set for
> `/apps/compiz-1/general/screen0/options/active_plugins'
>   CurrentDesktop: Unity
>   Date: Tue Apr 22 22:17:57 2014
>   InstallationDate: Installed on 2012-03-03 (780 days ago)
>   InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386
> (20110427.1)
>   SourcePackage: unity
>   UpgradeStatus: Upgraded to trusty on 2013-10-18 (186 days ago)
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/unity/+bug/1311316/+subscriptions
>


-- 
Andrea Azzarone
http://launchpad.net/~andyrock
http://wiki.ubuntu.com/AndreaAzzarone

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https://bugs.launchpad.net/bugs/1311316

Title:
  After locking screen there is no input field to type password for
  unlock

Status in Unity:
  Confirmed
Status in Unity 7.2 series:
  Confirmed
Status in unity package in Ubuntu:
  Fix Released

Bug description:
  Sometimes (but not always) after locking the screen there is the
  situation not having any input field where I can type the password to
  unlock the session again. The shaded gray area simply does not have
  the input field. I can't do anything, I have to switch to text console
  and stop/start lightdm service to cure the problem loosing all of my
  session :(

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: unity 7.2.0+14.04.20140416-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
  Uname: Linux 3.13.0-24-generic i686
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: i386
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CurrentDesktop: Unity
  Date: Tue Apr 22 22:17:57 2014
  InstallationDate: Installed on 2012-03-03 (780 days ago)
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
  SourcePackage: unity
  UpgradeStatus: Upgraded to trusty on 2013-10-18 (186 days ago)

To manage notifications about this bug go to:
https://bugs.launchpad.net/unity/+bug/1311316/+subscriptions


References