try taking down the wlan0 interface (ifconfig wlan0 down), and changing the mode to managed, then bringing it up (ifconfig wlan0 up).
Type: Posts; User: An00bis; Keyword(s):
try taking down the wlan0 interface (ifconfig wlan0 down), and changing the mode to managed, then bringing it up (ifconfig wlan0 up).
Might want to take a look at this bug from the aircrack site:
#670 (airodump-ng: sometimes show wrong channel when network not have a valid essid) – Aircrack-ng