serial output

 * Starting Mount filesystems on boot                                    [ OK ]
 * Starting Fix-up sensitive /proc filesystem entries                    [ OK ]
 * Starting Populate /dev filesystem                                     [ OK ]
 * Stopping Fix-up sensitive /proc filesystem entries                    [ OK ]
 * Stopping Populate /dev filesystem                                     [ OK ]
 * Starting Fix-up /sys/kernel/debug filesystem                          [ OK ]
 * Stopping Fix-up /sys/kernel/debug filesystem                          [ OK ]
 * Starting Populate and link to /run filesystem                         [ OK ]
 * Stopping Populate and link to /run filesystem                         [ OK ]
 * Starting cgroup management daemon                                     [ OK ]
 * Stopping Track if upstart is running in a container                   [ OK ]
 * Stopping cgroup management proxy                                      [ OK ]
 * Starting Initialize or finalize resolvconf                            [ OK ]
 * Starting set console keymap                                           [ OK ]
 * Starting Signal sysvinit that virtual filesystems are mounted         [ OK ]
 * Starting Signal sysvinit that virtual filesystems are mounted         [ OK ]
 * Starting Bridge udev events into upstart                              [ OK ]
 * Stopping set console keymap                                           [ OK ]
 * Starting device node and kernel event manager                         [ OK ]
 * Starting Signal sysvinit that remote filesystems are mounted          [ OK ]
 * Starting load modules from /etc/modules                               [ OK ]
 * Starting log initial device creation                                  [ OK ]
 * Starting cold plug devices                                            [ OK ]
 * Stopping load modules from /etc/modules                               [ OK ]
 * Starting configure network device security                            [ OK ]
 * Starting configure network device security                            [ OK ]
 * Starting configure network device                                     [ OK ]
 * Starting Mount network filesystems                                    [ OK ]
 * Stopping cold plug devices                                            [ OK ]
 * Stopping log initial device creation                                  [ OK ]
 * Starting load fallback graphics devices                               [ OK ]
 * Stopping load fallback graphics devices                               [ OK ]
 * Starting set console font                                             [ OK ]
 * Starting configure network device                                     [ OK ]
 * Stopping Mount network filesystems                                    [ OK ]
 * Stopping set console font                                             [ OK ]
 * Starting userspace bootsplash                                         [ OK ]
 * Stopping userspace bootsplash                                         [ OK ]
 * Starting Send an event to indicate plymouth is up                     [ OK ]
 * Stopping Send an event to indicate plymouth is up                     [ OK ]
The disk drive for / is not ready yet or not present.
keys:Continue to wait, or Press S to skip mounting or M for manual recovery
 * Starting Bridge socket events into upstart                            [ OK ]