http://forum.ubuntu-fr.org/viewtopic.php?pid=1426438#p1426438

cat /proc/version

Linux version 2.6.15-26-386 (buildd@terranova) (gcc version 4.0.3 (Ubuntu 4.0.3-lubuntu5)) #PREEMPT Thu Aug 3 02:52:00 UTC 2006

Updated :

uname -a
Linux cobra-desktop 2.6.15-51-386 #1 PREEMPT Thu Dec 6 20:20:49 UTC 2007 i686 GNU/Linux

cat /proc/version
Linux version 2.6.15-51-386 (buildd@rothera) (gcc version 4.0.3 (Ubuntu 4.0.3-1ubuntu5)) #1 PREEMPT Thu Dec 6 20:20:49 UTC 2007

It worked for me and for

<enjinj> Linux version 2.6.15-29-386 (buildd@terranova) (gcc version 4.0.3 (Ubuntu 4.0.3-1ubuntu5)) #1 PREEMPT Mon Sep 24 17:18:25 UTC 2007