If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.
 
Linux seatpost 2.6.29-rc7 #3 SMP Tue Mar 10 10:15:07 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux
 
Gnu C                  4.3
Gnu make               3.81
binutils               2.19
util-linux             2.14.1
mount                  support
module-init-tools      3.4
e2fsprogs              1.41.1
reiserfsprogs          3.6.19
xfsprogs               2.10.1
quota-tools            3.16.
PPP                    2.4.5
Linux C Library        2.9
Dynamic linker (ldd)   2.9
Procps                 3.2.7
Net-tools              1.60
Kbd                    1.14.1
oprofile               0.9.4
Sh-utils               6.12
udev                   128
wireless-tools         30
Modules Loaded         fuse ext2 loop dm_mod sd_mod crc_t10dif bnx2 qla2xxx sg scsi_transport_fc rtc_cmos ipmi_si shpchp sr_mod rtc_core ipmi_msghandler pcspkr rtc_lib serio_raw hpwdt pci_hotplug cdrom button scsi_tgt container hpilo usbhid hid ehci_hcd uhci_hcd ohci_hcd usbcore edd ext3 mbcache jbd fan ide_pci_generic amd74xx ide_core pata_amd thermal processor thermal_sys hwmon cciss ata_generic libata scsi_mod