By "no response" do you mean nothing happens or that the phone goes blank and doesn't respond? I saw the latter on a mako, too. Unlikely to be a unity8 issue, needs investigation into what prevents the device to reboot.
** Also affects: canonical-devices-system-image Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1508337 Title: [devel-proposed] The mobile phone no response after top on Restart option. To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1508337/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs