load flash kernel x 失败的原因
root@ubuntu:/home/chenxfei# apt-cache search xmodem
cutecom - Graphical serial terminal, like minicom
iaxmodem - software modem with IAX2 connectivity
lrzsz - Tools for zmodem/xmodem/ymodem file transfer
mgetty-fax - Faxing tools for mgetty
root@ubuntu:/home/chenxfei#
需要lrzsz协议支持。
