this occur after a login attempt :, gnome-shell 3.8 enabled from gnome3 ppa :
sary@n1x:~$ lsb_release -rda; uname -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu Raring Ringtail (development branch) Release: 13.04 Codename: raring Linux n1x 3.8.0-17-generic #27-Ubuntu SMP Sun Apr 7 19:39:35 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux sary@n1x:~$ sary@n1x:~$ apt-cache policy gnome-shell gnome-shell: Installed: 3.8.0.1-0ubuntu1+js17~raring3.1 Candidate: 3.8.0.1-0ubuntu1+js17~raring3.1 Version table: *** 3.8.0.1-0ubuntu1+js17~raring3.1 0 500 http://ppa.launchpad.net/gnome3-team/gnome3-staging/ubuntu/ raring/main amd64 Packages 100 /var/lib/dpkg/status 3.8.0.1-0ubuntu1+js17~raring3 0 500 http://ppa.launchpad.net/gnome3-team/gnome3/ubuntu/ raring/main amd64 Packages 3.6.3.1-0ubuntu4 0 500 http://sa.archive.ubuntu.com/ubuntu/ raring/universe amd64 Packages sary@n1x:~$ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1132555 Title: mission-control-5 crashed with SIGSEGV in g_slist_find() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/telepathy-mission-control-5/+bug/1132555/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs