"sem_post: Invalid argument"

[robert]

On a server the binary (red hat) installed python2.4 and also a 
fresh compiled python2.5 spits "sem_post: Invalid argument".
What is this and how can this solved?

Robert

==============

server [~]# python2.4
sem_post: Invalid argument
sem_post: Invalid argument
sem_post: Invalid argument
sem_post: Invalid argument
sem_post: Invalid argument
sem_post: Invalid argument
sem_post: Invalid argument
sem_post: Invalid argument
sem_post: Invalid argument
sem_post: Invalid argument
sem_post: Invalid argument
sem_post: Invalid argument
sem_post: Invalid argument
sem_post: Invalid argument
sem_post: Invalid argument
Python 2.4.3 (#1, Jun  6 2006, 21:10:41)
[GCC 3.2.3 20030502 (Red Hat Linux 3.2.3-54)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
sem_post: Invalid argument
sem_post: Invalid argument
 >>> sem_post: Invalid argument

sem_post: Invalid argument
sem_post: Invalid argument
sem_post: Invalid argument
sem_post: Invalid argument
server [~]# uname -a
Linux server 2.4.34.1-p4-smp-bigmem-JWH #1 SMP Mon Mar 19 03:26:57 
JST 2007 i686 i686 i386 GNU/Linux
server [~]#