I have some news. executing: # ifconfgi eth0 down #ifconfig eth0 up I have: kernel panic - not syncing: could not identify cpu/level for irq 2 boot params were: bootp(): root=/dev/sdb1 nosmp A. -- Arianna Arona Servizi Informatici Dipartimento di Scienze dell'Informazione Via Comelico 39 20135 Milano