If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.
 
Linux sandbox 2.6.33-rt4 #1 SMP PREEMPT RT Sat Feb 27 22:35:34 CET 2010 x86_64 GNU/Linux
 
Gnu C                  4.4.3
Gnu make               3.81
binutils               2.20
util-linux             ./scripts/ver_linux: 23: fdformat: not found
mount                  support
module-init-tools      found
Linux C Library        2.10.2
Dynamic linker (ldd)   2.10.2
Procps                 3.2.8
Kbd                    1.15.1
Sh-utils               8.4
Modules Loaded         i915 drm_kms_helper drm i2c_algo_bit video output ppdev lp parport xt_multiport iptable_filter ip_tables x_tables kvm_intel kvm fuse loop raw1394 arc4 ecb ath5k mac80211 ath cfg80211 psmouse usbhid rfkill hid i2c_i801 serio_raw evdev rng_core led_class i2c_core raid456 md_mod async_raid6_recov async_pq raid6_pq async_xor xor async_memcpy async_tx ide_gd_mod ata_generic ata_piix ide_pci_generic ahci libata ohci1394 piix uhci_hcd pdc202xx_new scsi_mod ieee1394 e1000e ehci_hcd ide_core intel_agp