problem solved! I noticed that all /dev/sd* were gone. So I copy the /dev/sd* from another machine. And every works! -- Patrick Hsieh<pahud@ezplay.tv> GnuPG Pubilc Key at http://www.ezplay.tv/~pahud/pahudatezplay.pubkey MD5 checksum: b948362c94655b74b33e859d58b8de91 1024D/F3662014 9ADF 6E3F 68DE 8DF8 4A67 0B54 6608 BAA8 F366 2014