Could you please try lp:~robert-ancell/lightdm/setcred-on-unlock and see
if this fixes it?
** Changed in: lightdm (Ubuntu)
Status: New => Triaged
** Changed in: lightdm (Ubuntu)
Importance: Undecided => Medium
** Changed in: lightdm (Ubuntu)
Importance: Medium => High
** Also affects: lightdm
Importance: Undecided
Status: New
** Changed in: lightdm
Status: New => Triaged
** Changed in: lightdm
Importance: Undecided => High
** No longer affects: light-locker (Ubuntu)
** Summary changed:
- light-locker fails to properly renew kerberos tickets with pam-krb5
+ Unlocking with greeter fails to properly renew kerberos tickets with pam-krb5
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https://bugs.launchpad.net/bugs/1296276
Title:
Unlocking with greeter fails to properly renew kerberos tickets with
pam-krb5
Status in Light Display Manager:
Triaged
Status in “lightdm” package in Ubuntu:
Triaged
Bug description:
I am using the pam-krb5 module to log into a Kerberos realm using
lightdm. This works the initial time I log in, when I come in through
lightdm. However, once I am logged in, and I lock the screen using
light-locker, when I unlock the screen I no longer get renewed
tickets.
The problem seems to be this:
-rw------- 1 me me 504 Mar 23 08:37 krb5cc_1000_sjkfhagfg
-rw------- 1 root root 504 Mar 23 08:38 krb5cc_pam_lsdkjhfsdk
So what is happening is that on the initial login, I get a valid
ticket cache, owned by my logging-in user, and showing my UID in the
file name. This ticket works fine. However, once I lock the screen
and then unlock it, I get a ticket cache owned by root, with "_pam_"
in the filename, and of course I can't use it because I am not logged
in as root.
This problem did not occur in 12.04 LTS, probably because it did not
use light-locker. The pam-krb5 module works in all other cases in my
installations, so I do not believe this is any kind of problem with
the pam_krb5 module.
Thanks,
Brian
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: light-locker 1.2.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-18.38-generic 3.13.6
Uname: Linux 3.13.0-18-generic x86_64
ApportVersion: 2.13.3-0ubuntu1
Architecture: amd64
Date: Sun Mar 23 08:40:38 2014
InstallationDate: Installed on 2014-03-22 (0 days ago)
InstallationMedia: Ubuntu-Server 14.04 LTS "Trusty Tahr" - Alpha amd64
(20140320)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: light-locker
UpgradeStatus: No upgrade log present (probably fresh install)
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