Kernel modules are broken after updating to the latest FreeBSD 9-STABLE

[Warren Block]

On Mon, 18 Jun 2012, Olav Gjerde wrote:

> Yesterday I updated to the latest version of FreeBSD 9-STABLE. I
> always follow the procedure in the manual ->
> http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html
> And I use the GENERIC config with no modifications.
>
> The system boots fine, however quite a few important kernel modules no
> longer works. Specifically nullfs, fdescfs, zfs, zlib, xfs, while some
> other modules like geom_mirror and geom_raid works.
>
> I get the following error messages:
> KLD nullfs.ko: depends on kernel - not available or version mismatch
> linker_load_file: Unsupported file type
> KLD fdescfs.ko: depends on kernel - not available or version mismatch
> linker_load_file: Unsupported file type
>
> What could have gone wrong? What can I do to fix this?

Did you miss the buildkernel/installkernel steps?