If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.
 
Linux raven 2.6.20-gentoo-r7 #2 Sun Apr 29 13:50:19 CEST 2007 i686 Intel(R) Pentium(R) M processor 1.60GHz GenuineIntel GNU/Linux
 
Gnu C                  4.1.1
Gnu make               3.81
binutils               2.16.1
util-linux             2.12r
mount                  2.12r
module-init-tools      3.2.2
e2fsprogs              1.39
Linux C Library        > libc.2.5
Dynamic linker (ldd)   2.5
Procps                 3.2.7
Net-tools              1.60
Kbd                    1.12
Sh-utils               6.7
udev                   104
wireless-tools         28
Modules Loaded         nls_iso8859_15 nls_cp850 vfat fat sd_mod usb_storage scsi_mod ipw2200