所以这里有一个奇怪的。如果我手动配置它，我的无线网络工作正常，但是当我尝试在 /etc/network/interfaces.conf 中配置它时，它会失败。我想我已经追踪ifup到它没有将其识别为实际设备。以下是相关信息：
root@cubieboard:~# cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet dhcp
auto wlan0
iface default inet static
address 10.0.0.20
netmask 255.255.255.0
root@cubieboard:~# ifconfig wlan0
wlan0 Link encap:Ethernet HWaddr 80:1f:02:9a:9c:c6
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:187 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
root@cubieboard:~# ifup wlan0
Ignoring unknown interface …