I can't start polkit-gnome-authorization

[Juan Simón]

Binary package hint: policykit-gnome

If I execute "polkit-gnome-authorization":

[WARN 17589] polkit-error.c:143:polkit_error_get_error_message(): error != NULL
 Not built with -rdynamic so unable to print a backtrace
** (polkit-gnome-authorization:17589): WARNING **: Failed to initialize PolicyKit context: (null)
[WARN 17589] polkit-error.c:156:polkit_error_free(): error != NULL
 Not built with -rdynamic so unable to print a backtrace
Fallo de segmentación (core dumped)

Perhaps this is related to the errors:
https://bugs.launchpad.net/bugs/344193
https://bugs.launchpad.net/bugs/343998

ProblemType: Bug
Architecture: i386
DistroRelease: Ubuntu 9.04
NonfreeKernelModules: nvidia
Package: policykit-gnome 0.9-1ubuntu3
ProcEnviron:
 PATH=(custom, user)
 LANG=es_ES.UTF-8
 SHELL=/bin/bash
SourcePackage: policykit-gnome
Uname: Linux 2.6.28-10-server i686

[Juan Simón (simonbcn)]

Incomplete? What information do you need? How I get that information?

[Sebastien Bacher (seb128)]

can you run ck-list-sessions? how do you start your session? is that a local login?

[Juan Simón (simonbcn)]

$ ck-list-sessions
Session1:
 unix-user = '1000'
 realname = 'Simón,,,'
 seat = 'Seat1'
 session-type = ''
 active = TRUE
 x11-display = ':0'
 x11-display-device = '/dev/tty7'
 display-device = ''
 remote-host-name = ''
 is-local = TRUE
 on-since = '2009-03-17T12:35:42.853687Z'
 login-session-id = ''

This is the info of my session with auto-login.
Yes, it's local login.

[Juan Simón (simonbcn)]

I attach two images with the error of the gdm.

[Damiano Dallatana (damidalla)]

Well, it's also my problem. It's been here for a while, but now it's really driving me crazy.

Error:
damidalla@Trantor:~$ polkit-gnome-authorization
[WARN 6815] polkit-error.c:143:polkit_error_get_error_message(): error != NULL
 Not built with -rdynamic so unable to print a backtrace

** (polkit-gnome-authorization:6815): WARNING **: Failed to initialize PolicyKit context: (null)
[WARN 6815] polkit-error.c:156:polkit_error_free(): error != NULL
 Not built with -rdynamic so unable to print a backtrace
Segmentation fault

damidalla@Trantor:~$ ck-list-sessions
Session1:
 unix-user = '1000'
 realname = 'Damiano Dallatana,,,'
 seat = 'Seat1'
 session-type = ''
 active = TRUE
 x11-display = ':0'
 x11-display-device = '/dev/tty7'
 display-device = ''
 remote-host-name = ''
 is-local = TRUE
 on-since = '2009-09-07T10:16:54.681631Z'
 login-session-id = '4294967295'

login is local, and autologin is not enabled.