[root@PAUMAKA /usr/ports/archivers/gtar]# portupgrade -rRa
[Updating the pkgdb <format:bdb_btree> in /var/db/pkg ... /var/db/pkg/pkgdb.db: unexpected file type or format -- Invalid argument; rebuild needed] [Rebuilding the pkgdb <format:bdb_btree> in /var/db/pkg ... [Updating the pkgdb <format:bdb_btree> in /var/db/pkg ... /var/db/pkg/pkgdb.db: unexpected file type or format -- Invalid argument; rebuild needed] [Rebuilding the pkgdb <format:bdb_btree> in /var/db/pkg ... /usr/local/lib/ruby/site_ruby/1.8/pkgdb.rb:239:in `origin': /var/db/pkg/pkgdb.db: unexpected file type or format -- Invalid argument: Cannot update the pkgdb!]: Cannot update the pkgdb!] (PkgDB::DBError)
        from /usr/local/lib/ruby/site_ruby/1.8/pkginfo.rb:178:in `origin'
        from /usr/local/lib/ruby/site_ruby/1.8/pkgdb.rb:913:in `tsort_build'
        from /usr/local/lib/ruby/site_ruby/1.8/pkgdb.rb:907:in `each'
        from /usr/local/lib/ruby/site_ruby/1.8/pkgdb.rb:907:in `tsort_build'
        from /usr/local/lib/ruby/site_ruby/1.8/pkgdb.rb:929:in `sort_build'
        from /usr/local/lib/ruby/site_ruby/1.8/pkgdb.rb:933:in `sort_build!'
        from /usr/local/sbin/portupgrade:694:in `main'
        from /usr/local/lib/ruby/1.8/optparse.rb:755:in `initialize'
        from /usr/local/sbin/portupgrade:210:in `new'
        from /usr/local/sbin/portupgrade:210:in `main'
        from /usr/local/sbin/portupgrade:1981
[root@PAUMAKA /usr/ports/archivers/gtar]# pkgdb -F
--->  Checking the package registry database
[Updating the pkgdb <format:bdb_btree> in /var/db/pkg ... /var/db/pkg/pkgdb.db: unexpected file type or format -- Invalid argument; rebuild needed] [Rebuilding the pkgdb <format:bdb_btree> in /var/db/pkg ... /var/db/pkg/pkgdb.db: unexpected file type or format -- Invalid argument: Cannot update the pkgdb!]: Cannot update the pkgdb!]