ssh no longer connecting automatically

[Lowell Gilbert]

Jonathon McKitrick <jcm at FreeBSD-uk.eu.org> writes:

> Any idea why updating to 4.9 stable would give me this error?
> I have to set it to protocol 1 and log in manually.  The auto login with the
> id_rsa and authorized_keys doesn't seem to work anymore, but gives this
> error:
> 
> neptune:~> ssh jcm at dogma.freebsd-uk.eu.org
> key_verify failed for server_host_key

Did the host key change?