If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.
 
Linux o01eg 2.6.36-rc5 #1 SMP PREEMPT Sat Sep 25 18:26:32 MSD 2010 x86_64 Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz GenuineIntel GNU/Linux
 
Gnu C                  4.4.3
Gnu make               3.81
binutils               2.20.1.20100303
util-linux             2.17.2
mount                  support
module-init-tools      3.5
e2fsprogs              1.41.11
PPP                    2.4.4
Linux C Library        2.11.2
Dynamic linker (ldd)   2.11.2
Procps                 3.2.8
Net-tools              1.60
Kbd                    1.15
Sh-utils               8.5
Modules Loaded         tun nouveau ttm drm_kms_helper
