If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.
 
Linux mergemate 3.4.9-gentoo #1 SMP PREEMPT Mon Aug 27 07:50:31 CEST 2012 x86_64 Intel(R) Core(TM) i5 CPU M 450 @ 2.40GHz GenuineIntel GNU/Linux
 
Gnu C                  4.5.4
Gnu make               3.82
binutils               2.22
util-linux             2.20.1
mount                  support
module-init-tools      3.16
e2fsprogs              1.42
jfsutils               1.1.15
xfsprogs               3.1.8
Linux C Library        2.15
Dynamic linker (ldd)   2.15
Procps                 3.2.8
Net-tools              1.60_p20110409135728
Kbd                    1.15.3wip
Sh-utils               8.16
wireless-tools         29
Modules Loaded         hid_logitech_dj snd_usb_audio snd_usbmidi_lib snd_rawmidi snd_seq_device vboxpci vboxnetflt vboxnetadp vboxdrv uvcvideo videobuf2_core videodev videobuf2_vmalloc videobuf2_memops snd_hda_codec_hdmi snd_hda_codec_conexant thinkpad_acpi snd_hda_intel snd_pcsp snd_hda_codec snd_hwdep snd_pcm iwlwifi sdhci_pci snd_timer sdhci snd mmc_core soundcore snd_page_alloc