I'm using your "whatami" in the MPI Testing Tool (MTT), but
I think a recent change to it broke for our sles10 system.
We have an lsb-release file that is different from what
$ cat /etc/lsb-release
$ uname -a
Linux burl-ct-v20z-6 126.96.36.199-0.12-smp #1 SMP Thu May 17 14:00:09 UTC 2007 x86_64 x86_64 x86_64 GNU/Linux
I attached a patch.