Latest preempt patch available on Ingo Molnar's site is patch-2.6.18-rt7. However kernel up to 2.6.19-rc4 is available. Does this mean that preempt patches merged into the kernel in 2.6.19, or does this mean that I must stick to 2.6.18 if I want preemption? Cordially, Ismael -- Ismael Valladolid Torres "Il est vain de pleurer sur l'esprit, il suffit de travailler pour lui." Albert Camus http://digitrazos.info/ http://lamediahostia.blogspot.com/ OpenPGP key ID: 0xDE721AF4 http://www.hispasonic.com/foro73.html Jabber ID: ivalladt(a)jabberes.org