If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.
 
Linux ae86 2.6.36-rc2 #3 SMP PREEMPT Fri Sep 17 21:22:59 EDT 2010 i686 AMD Phenom(tm) II X4 965 Processor AuthenticAMD GNU/Linux
 
Gnu C                  4.4.1
Gnu make               3.81
binutils               2.19.1
util-linux             2.16
mount                  support
module-init-tools      3.10
e2fsprogs              1.41.9
jfsutils               1.1.14
reiserfsprogs          3.6.21
xfsprogs               3.0.3
PPP                    2.4.4
Linux C Library        2.10.1
Dynamic linker (ldd)   2.10.1
Linux C++ Library      6.0.12
Procps                 3.2.8
Net-tools              1.60
Kbd                    1.15
Sh-utils               7.5
wireless-tools         29