I uninstalled the Nvidia driver and the problem seems does not present itself (a week with no problems)
This behavior, then, it is related to the Nvidia driver. Should I refile the bug? Do I need to enter more information? Regards. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1030630 Title: System freeze on logout and shutdown To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1030630/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs