If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.
 
Linux imap30 3.4.33-fm64 #1 SMP Fri Feb 22 02:52:16 UTC 2013 x86_64 GNU/Linux
 
Gnu C                  4.4.5
Gnu make               3.81
binutils               2.20.1
util-linux             2.17.2
mount                  support
module-init-tools      3.12
e2fsprogs              1.42.4
reiserfsprogs          3.6.21
xfsprogs               3.1.4
Linux C Library        2.11.3
Dynamic linker (ldd)   2.11.3
Procps                 3.2.8
Net-tools              1.60
Kbd                    78:
oprofile               0.9.6
Sh-utils               8.5
Modules Loaded         xt_state xt_multiport xt_LOG xt_limit xt_tcpudp ip6table_filter ip6_tables iptable_mangle iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables x_tables ext4 jbd2 crc16 dm_crypt nf_conntrack snd_pcm snd_timer snd soundcore snd_page_alloc i7core_edac psmouse coretemp acpi_power_meter dcdbas edac_core processor tpm_tis tpm tpm_bios serio_raw microcode thermal_sys pcspkr evdev joydev button ext3 jbd mbcache dm_mod raid10 raid456 async_raid6_recov async_pq raid6_pq async_xor xor async_memcpy async_tx raid1 raid0 multipath linear md_mod usbhid hid sd_mod ses crc_t10dif enclosure uhci_hcd crc32c_intel ghash_clmulni_intel aesni_intel cryptd aes_x86_64 ehci_hcd usbcore megaraid_sas usb_common scsi_mod bnx2