If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.
 
Linux debian 2.6.12-1-k7 #1 Wed Jul 20 23:17:47 UTC 2005 i686 GNU/Linux
 
Gnu C                  4.0.2
Gnu make               3.80
binutils               2.16.1
util-linux             2.12p
mount                  2.12p
module-init-tools      3.2-pre8
e2fsprogs              1.38
reiserfsprogs          line
reiser4progs           line
pcmcia-cs              3.2.8
Linux C Library        2.3.5
Dynamic linker (ldd)   2.3.5
Procps                 3.2.5
Net-tools              1.60
Console-tools          0.2.3
Sh-utils               5.2.1
udev                   066
Modules Loaded         usb_storage usbhid nvidia nls_cp437 isofs binfmt_misc thermal fan button processor ac battery ipv6 af_packet orinoco_cs orinoco hermes pcmcia joydev tsdev mousedev evdev pcspkr rtc snd_via82xx_modem snd_via82xx gameport snd_ac97_codec snd_pcm snd_timer snd_page_alloc snd_mpu401_uart snd_rawmidi snd_seq_device snd i2c_viapro i2c_core shpchp pci_hotplug via_agp agpgart ehci_hcd eth1394 uhci_hcd usbcore via82cxxx_audio uart401 sound soundcore ac97_codec via_rhine mii via_ircc irda crc_ccitt ohci1394 yenta_socket rsrc_nonstatic pcmcia_core sr_mod sbp2 scsi_mod ieee1394 psmouse ide_cd cdrom ext3 jbd mbcache ide_disk ide_generic via82cxxx trm290 triflex slc90e66 sis5513 siimage serverworks sc1200 rz1000 piix pdc202xx_old opti621 ns87415 hpt366 hpt34x generic cy82c693 cs5530 cs5520 cmd64x atiixp amd74xx alim15x3 aec62xx pdc202xx_new ide_core unix fbcon tileblit font bitblit vesafb cfbcopyarea cfbimgblt cfbfillrect softcursor capability commoncap