[Ubuntu-Gnome]system locked at login

in syslog

May 19 16:15:02 plus gdm-simple-slave[1344]: WARNING: Failed to give slave programs access to the display. Trying to proceed.
May 19 16:15:02 plus dbus[877]: [system] Activating service name='org.freedesktop.Accounts' (using servicehelper)
May 19 16:15:02 plus accounts-daemon[1503]: started daemon version 0.6.29
May 19 16:15:02 plus dbus[877]: [system] Successfully activated service 'org.freedesktop.Accounts'
May 19 16:15:02 plus dbus[877]: [system] Activating service name='org.freedesktop.ConsoleKit' (using servicehelper)
May 19 16:15:02 plus dbus[877]: [system] Successfully activated service 'org.freedesktop.ConsoleKit'
May 19 16:15:03 plus gdm-launch-environment][1500]: GLib-CRITICAL: g_variant_compare: assertion `!g_variant_is_container (a)' failed

Hallo

Ubuntu Gnome 20130517 amd64 just installed, rebooted but it get's locked at login screen
pointer working but nothing clickable, tty works

ProblemType: BugDistroRelease: Ubuntu 13.10
Package: gdm 3.6.1-0ubuntu5
ProcVersionSignature: Ubuntu 3.9.0-2.6-generic 3.9.2
Uname: Linux 3.9.0-2-generic x86_64
ApportVersion: 2.10.1-0ubuntu1
Architecture: amd64
Date: Sun May 19 16:27:06 2013
InstallationDate: Installed on 2013-05-19 (0 days ago)
InstallationMedia: Ubuntu-GNOME 13.10 "Saucy Salamander" - Alpha amd64 (20130517)
MarkForUpload: TrueSourcePackage: gdm
UpgradeStatus: No upgrade log present (probably fresh install)