Any chance you get more informations by following the procedure for time-admin at https://wiki.ubuntu.com/DebuggingGnomeSystemTools? As I really don't see how the gnome-system-tools could be at fault here, you may first check that 'sudo restart ntp' doesn't trigger the same issues.
-- Computer reboots when enabling/disabling ntp https://bugs.launchpad.net/bugs/511205 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