very stupid mistake: a part of /usr is deleted

[Bartosz Stec]

  On 2010-09-15 17:20, Ivan Voras wrote:
>
>> uname -a ->
>> FreeBSD (XXXXXX).uni-tuebingen.de 8.0-RELEASE FreeBSD 8.0-RELEASE #0:
>> Sat Nov 21 15:02:08 UTC 2009
>> root at mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64
>
> That is actually an easy situation to recover, you can do it in at 
> least these ways:
>
> 1) if you build/upgrade from source, you can either reinstall if you 
> have working /usr/obj or try and rebuild them if you have working 
> /usr/src
> (...)
This is a solution I would recommend (if time isn't the problem), first 
csup fresh 8.X sources, rebuild, upgrade, and as a result you will get 
more than missing files, but 8.1-RELASE + STABLE patches :).
--
Bartosz Stec