>> OK, I have found the FCSE option with kernel 2.6.28.
>> My working computer is not here, so I tested in a VMware and a old
>> kernel 2.6.20 at first. Then I download a 2.6.28 kernel and things be OK
>> now.
>
>I took care to tell you clearly that the FCSE option was available in
>the latest versions of the I-pipe patches, which were in the Xenomai
>2.4.10 release. Obviously the patch for kernel 2.6.20 is not part of
>Xenomai 2.4.10.
>
>> 
>>>Properly loading the system means hammering it real hard. And if you do
>>>that, you will get real results. Around 260us in user-space without
>>>FCSE, or 200us with FCSE.
>> 
>>  "hammering it real hard ", you mean work in real application?
>> Sorry, my English is so terrible, I just know that hammer is a tool for strike.
>
>Yes, so hammering means striking with a hammer... It is an image.

I used nfs filesystem in the test, that's the point?

>
>> 
>> By the way, shall we talk by MSN? My ID is robert165@domain.hid
>
>No. I had not noticed that you were sending me these mails privately.
>Xenomai has mailing lists, they are meant to be used so that other can
>find answers to the questions you are asking. I am not at your personal
>service.

I am so sorry, I did not noticed that too. 
Thanks for your help sincerely.

Robert