I can confirm this on an up-to-date Gutsy. Issuing
iwconfig wlan0 essid any (any can be replaced by an actual AP with the same behavior) or iwlist wlan0 scan
locks my PC.
I can confirm this on an up-to-date Gutsy. Issuing
iwconfig wlan0 essid any (any can be replaced by an actual AP with the same behavior) or iwlist wlan0 scan
locks my PC.