In my case, this issue only appear in live session in real session. I am trying now in virtual box session and it works well.
-- System often reboots when doing `su -` from gnome-terminal https://bugs.launchpad.net/bugs/526862 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs