Port update hosed entire system

[Olivier Nicole]

Rod,

> I was attempting to update ports that used libogg with the command
>
> portmaster -d -y -r libogg
>
> I went away and came back some hours later and some updates had failed.
> Now my shell segfaults on any command such as ls, clear or su
> I tried to login on another console as root and after giving the
> password it just goes back to login. I am at a loss as to what to do to
> fix this one.
>
> $ uname -a
> FreeBSD Atomizer64 9.0-RELEASE-p3 FreeBSD 9.0-RELEASE-p3 #0: Tue Jun 12
> 02:52:29 UTC 2012
> root at amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC  amd64
>
> Any help or ideas would be appreciated.

Can you run /bin/sh? That would be a start to try reinstalling what was lost.

Good luck,

Olivier