If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.
 
Linux lenin 2.6.20-rc3 #0 SMP Wed Jan 3 13:51:02 GMT 2007 i686 GNU/Linux
 
Gnu C                  4.0.3
Gnu make               3.81beta4
binutils               2.16.91
util-linux             2.12r
mount                  2.12r
module-init-tools      3.2.2
e2fsprogs              1.38
jfsutils               1.1.8
reiserfsprogs          3.6.19
reiser4progs           1.0.5
xfsprogs               2.7.7
pcmciautils            012
pcmcia-cs              3.2.8
quota-tools            3.13.
PPP                    2.4.4b1
nfs-utils              1.0.7
Linux C Library        2.3.6
Dynamic linker (ldd)   2.3.6
Procps                 3.2.6
Net-tools              1.60
Console-tools          0.2.3
Sh-utils               5.93
udev                   079
wireless-tools         28
Modules Loaded         nls_cp437 isofs udf radeon drm radeonfb i2c_algo_bit fb_ddc fbcon tileblit font bitblit softcursor binfmt_misc rfcomm l2cap pktcdvd nfsd exportfs lockd sunrpc autofs4 capability commoncap cpufreq_userspace cpufreq_stats cpufreq_powersave cpufreq_ondemand freq_table cpufreq_conservative video sbs i2c_ec dock button battery container ac asus_acpi backlight ipv6 quota_v2 snd_seq_dummy snd_seq_oss snd_seq_midi snd_seq_midi_event snd_seq ipt_MASQUERADE ipt_REJECT ipt_LOG xt_tcpudp xt_state xt_multiport iptable_filter iptable_nat nf_nat ip_tables x_tables nf_conntrack_ipv4 nf_conntrack nfnetlink hci_usb bluetooth usblp snd_via82xx_modem snd_pcm_oss snd_mixer_oss snd_via82xx gameport snd_ac97_codec ac97_bus snd_mpu401_uart snd_rawmidi snd_seq_device snd_pcm snd_timer serio_raw sundance mii snd floppy soundcore snd_page_alloc sk98lin pata_sil680 ata_generic pata_via shpchp pci_hotplug skge via_agp agpgart sg evdev it87 hwmon_vid eeprom i2c_isa i2c_viapro i2c_core softdog psmouse parport_pc lp parport ext3 jbd mbcache dm_mirror ide_generic ehci_hcd uhci_hcd usbcore generic sd_mod sata_via sym53c8xx scsi_transport_spi ide_cd cdrom ide_disk thermal processor fan raid1 md_mod dm_mod via82cxxx siimage