Comment 0 for bug 1007609

Good evening,
since about a week Xubuntu doesn't finish the boot process, until I push the Return-Button. When I select Xubuntu 12.04 in Grub, after some time the Xubuntu-Logo appears with a bar moving from left to right and back. I can only exit this state by pushing Return (Space seems to work also), then the normal surface for logging in appears.
I think that this behaviour started after installing some games from the Ubuntu-Software-Center. Here are some syslogs:
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May 28 08:43:32 klangbiotop NetworkManager 931: <info> Activation (eth0) Stage 4 of 5 (IPv6 Configure Timeout) complete.
May 28 08:43:33 klangbiotop ntpdate 1140 : step time server 91.189.94.4 offset -0.635392 sec
May 28 08:45:30 klangbiotop cron 1175 : (CRON) INFO (pidfile fd = 3)
May 28 08:45:30 klangbiotop acpid: starting up with proc fs
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May 28 08:45:30 klangbiotop anacron 1193 : Will run job 'cron.daily' in 5 min.
May 28 08:45:30 klangbiotop anacron 1193 : Jobs will be executed sequentially
May 28 08:46:14 klangbiotop dbus 911 : [system] Activating service name='org.freedesktop.ConsoleKit' (using servicehelper)
May 28 08:46:14 klangbiotop acpid: client connected from 1294[0:0]
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Jun 1 19:22:24 klangbiotop NetworkManager[898]: <info> Activation (eth0) Stage 4 of 5 (IPv6 Configure Timeout) complete.
Jun 1 19:22:37 klangbiotop ntpdate[1105]: step time server 91.189.94.4 offset -5.170230 sec
Jun 1 19:24:08 klangbiotop cron[1139]: (CRON) INFO (pidfile fd = 3)
Jun 1 19:24:08 klangbiotop anacron[1163]: Anacron 2.3 started on 2012-06-01
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Jun 1 19:40:28 klangbiotop NetworkManager[1065]: <info> Activation (eth0) Stage 5 of 5 (IPv4 Commit) complete.
Jun 1 19:40:28 klangbiotop dbus[962]: [system] Activating service name='org.freedesktop.nm_dispatcher' (using servicehelper)
Jun 1 19:40:28 klangbiotop dbus[962]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher'
Jun 1 19:40:37 klangbiotop kernel: [ 25.144006] eth0: no IPv6 routers present
Jun 1 19:40:41 klangbiotop ntpdate[1200]: adjust time server 131.188.3.221 offset 0.027561 sec
Jun 1 19:40:41 klangbiotop ntpd[1227]: ntpd 4.2.6p3@1.2290 Tue Mar 6 15:36:36 UTC 2012 (1)
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Jun 1 22:18:01 klangbiotop NetworkManager[939]: <info> Activation (eth0) Stage 4 of 5 (IPv6 Configure Timeout) started...
Jun 1 22:18:01 klangbiotop NetworkManager[939]: <info> Activation (eth0) Stage 4 of 5 (IPv6 Configure Timeout) complete.
Jun 1 22:20:03 klangbiotop anacron[1258]: Anacron 2.3 started on 2012-06-01
Jun 1 22:20:03 klangbiotop acpid: starting up with proc fs
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You can see the time-gaps when I waited for Xubuntu to the log-on-window. Onetime I waited for more than half an hour (I can send more logs if necessary). I tried to fix this issue with Boot-Repair, but without success. I'm not really sure if Cron is the problem...
Have a nice evening,
Markus

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: cron 3.0pl1-120ubuntu3
ProcVersionSignature: Ubuntu 3.2.0-24.39-generic 3.2.16
Uname: Linux 3.2.0-24-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu8
Architecture: amd64
Date: Fri Jun 1 22:47:37 2012
InstallationMedia: Xubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
ProcEnviron:
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SourcePackage: cron
UpgradeStatus: No upgrade log present (probably fresh install)