我使用 NetworkManager 命令工具扫描无线网络是空的。
root@radxa:~# nmcli dev wifi list
SSID BSSID MODE FREQ RATE SIGNAL SECURITY ACTIVE
root@radxa:~#
但是使用iwlist扫描是可以的。
root@radxa:~# iwlist wlan0 scan
Cell 01 - Address: 78:A1:06:7F:CF:C9
ESSID:"olivia"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:on
Bit Rates:300 Mb/s
IE: WPA Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
Extra:rsn_ie=30140100000fac040100000fac040100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
Quality=0/100 Signal level=7/100
linux版本
Linux version 3.0.36+ (build@radxa-x1) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #6 SMP PREEMPT Tue Aug 19 15:17:11 CST 2014
为什么?请帮帮我。