Boot error after upgrade from 4.9 to 5.2

[Colin Percival]

At 14:37 04/01/2004, Jeremie LE HEN wrote:
>I have just upgraded my system from a RELENG_4 to a RELENG_5_2.  I made
>everything adviced in src/UPDATING, including buildworld, buildkernel,
>installkernel, reboot, installworld and when I finally rebooted to get
>a runnable box, it failed between the second and the third stage of the
>boot sequence

   I'm not sure about this, but I think you need to install the new
boot blocks as well.

Colin Percival