怎么样卸掉模块

alang857

./fw_update_DS.csh
verify we got an LSi LOGIC adapter on this machine
03:01.0 Fibre Channel: LSI Logic / Symbios Logic FC929 (rev 02)
03:01.1 Fibre Channel: LSI Logic / Symbios Logic FC929 (rev 02)
unloading old drivers (just in case ... )
mptbase: Device or resource busy
loading LSi Drivers
insmod: a module named mptbase already exists

我怎么能把mptbase 这个模块给卸掉呢。谢谢
os :linux 2.4.21

hutuworm

rmmod mptbase

alang857

device busy,cant