Bug#424408: gksu users-admin will not give access

[Arnfinn Ringvold]

Package: gksu
Version: 2.0.0-4
Severity: critical

--- Please enter the report below this line. ---
After giving correct password, gksu granting rights stops with: The
configuration could not be loaded You are not allowed to access the
system configuration.

--- System information. ---
Architecture: i386
Kernel:       Linux 2.6.18-4-686

Debian Release: lenny/sid
  500 unstable        ftp.sunet.se 
  500 unstable        ftp.no.debian.org 
  500 testing         secure-testing.debian.net 
  500 stable          ftp.no.debian.org 

--- Package information. ---
Depends                          (Version) | Installed
==========================================-+-==============
libatk1.0-0                    (>= 1.12.2) | 1.18.0-2
libc6                         (>= 2.3.6-6) | 2.5-7
libcairo2                       (>= 1.2.4) | 1.4.6-1
libfontconfig1                  (>= 2.4.0) | 2.4.2-1.2
libgconf2-4                    (>= 2.13.5) | 2.18.0.1-3
libgksu2-0                      (>= 1.9.6) | 2.0.3-9
libglib2.0-0                   (>= 2.12.0) | 2.12.12-1
libgnome-keyring0               (>= 0.6.0) | 0.8.1-2
libgtk2.0-0                     (>= 2.8.0) | 2.10.12-1
liborbit2                    (>= 1:2.14.1) | 1:2.14.7-0.1
libpango1.0-0                  (>= 1.14.8) | 1.16.4-1
libstartup-notification0        (>= 0.8-1) | 0.9-1
libx11-6                                   | 2:1.0.3-7
libxcursor1                     (>> 1.1.2) | 1:1.1.8-2
libxext6                                   | 1:1.0.3-2
libxfixes3                    (>= 1:4.0.1) | 1:4.0.3-2
libxi6                                     | 1:1.0.1-4
libxinerama1                               | 1:1.0.2-1
libxrandr2                                 | 2:1.2.1-1
libxrender1                                | 1:0.9.2-1
sudo                                       | 1.6.8p12-5
gnome-keyring                              | 0.8.1-2

Terminal output:

$ gksu users-admin

(users-admin:30701): GnomeUI-WARNING **: While connecting to session
manager:
Authentication Rejected, reason : None of the authentication protocols
specified are supported and host-based authentication failed.

(users-admin:30701): Liboobs-WARNING **: There was an unknown error
communicating with the backends:
Process /usr/share//system-tools-backends-2.0/scripts/SystemToolsBackends.pl exited with status 2

(users-admin:30701): Liboobs-WARNING **: There was an unknown error
communicating with the backends:
Process /usr/share//system-tools-backends-2.0/scripts/SystemToolsBackends.pl exited with status 2

regards Arnfinn