i have succefully instal backtrack 5 after my whole sweat is dry. unfortunately..i got some problem as below :


root@bt:~# airmon-ng


Interface Chipset Driver

wlan0 Atheros AR9285 ath9k - [phy0]
mon0 Atheros AR9285 ath9k - [phy0]
mon1 Atheros AR9285 ath9k - [phy0]
mon2 Atheros AR9285 ath9k - [phy0]

root@bt:~# airmon-ng start wlan0


Found 2 processes that could cause trouble.
If airodump-ng, aireplay-ng or airtun-ng stops working after
a short period of time, you may want to kill (some of) them!

PID Name
1451 dhclient3
1503 dhclient3
Process with PID 1503 (dhclient3) is running on interface wlan0


Interface Chipset Driver

wlan0 Atheros AR9285 ath9k - [phy0]SIOCSIFFLAGS: Unknown error 132

(monitor mode enabled on mon3)
mon0 Atheros AR9285 ath9k - [phy0]
mon1 Atheros AR9285 ath9k - [phy0]
mon2 Atheros AR9285 ath9k - [phy0]

root@bt:~# airodump-ng mon0
ioctl(SIOCSIFFLAGS) failed: Unknown error 132
root@bt:~#
need someone to help me with this problem..please..