just to say that i managed to trace kernel calls regarding my previous email and that i resolved the question. if anyone else interested to hear the solution email me. thnx lynx - Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ IRC Channel: irc.openprojects.net / #kernelnewbies Web Page: http://www.kernelnewbies.org/