Cannot open ConsoleKit session on Lucid

[starslights]

Binary package hint: kdebase-workspace

Hello,

I run Kubuntu Lucid alpha1 on x86 64 and in my log, i have a error that ConsoleKit session canno't be open.

2009-12-21 13:34:55 starstest2lucid kdm :0[954]: Cannot open ConsoleKit session: Unable to open session: Method "OpenSessionWithParameters" with signature "a(sv)" on interface "org.freedesktop.ConsoleKit.Manager" doesn't exist

Linux starstest2lucid 2.6.32-9-generic #13-Ubuntu SMP Thu Dec 17 17:01:59 UTC 2009 x86_64 GNU/Linux

ProblemType: Bug
Architecture: amd64
Date: Mon Dec 21 14:53:37 2009
DistroRelease: Ubuntu 10.04
EcryptfsInUse: Yes
InstallationMedia: Kubuntu 10.04 "Lucid Lynx" - Alpha amd64 (20091220)
Package: kdm 4:4.3.80-0ubuntu4
ProcEnviron:
 LANGUAGE=fr_CH:fr
 LANG=fr_CH.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-9.13-generic
SourcePackage: kdebase-workspace
Tags: lucid
Uname: Linux 2.6.32-9-generic x86_64