>Ok, I ran the test=5Fmbuf executable and it seems to run fine. >The only curious thing is that sometimes messages of this kind: >thread 0: 32 loops complete >get printed in the terminal before the message: >threads started... Thanks alot! Those message is okay - it just says that the first thread was faster in completing the first 32 loops before the printf() in the main thread could do its job. Adios... Axel.