If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.
 
Linux dragon 2.6.17-rc5-mm2 #2 SMP PREEMPT Thu Jun 1 23:51:19 CEST 2006 i686 athlon-4 i386 GNU/Linux
 
Gnu C                  3.4.6
Gnu make               3.81
binutils               2.15.92.0.2
util-linux             2.12r
mount                  2.12r
module-init-tools      3.2.2
e2fsprogs              1.38
reiserfsprogs          3.6.19
quota-tools            3.12.
PPP                    2.4.4b1
Linux C Library        2.3.6
Dynamic linker (ldd)   2.3.6
Linux C++ Library      6.0.3
Procps                 3.2.6
Net-tools              1.60
Kbd                    1.12
Sh-utils               5.96
udev                   071
Modules Loaded         snd_seq_oss snd_seq_midi_event snd_seq snd_pcm_oss snd_mixer_oss uhci_hcd usbcore snd_emu10k1 snd_rawmidi snd_ac97_codec snd_ac97_bus snd_pcm snd_seq_device snd_timer snd_page_alloc snd_util_mem snd_hwdep snd agpgart