ifconfig wlan0 up
SIOCSIFFLAGS: No such file or directory
ifup wlan0
wlan0 name: 802.11 n WLAN
wlan0 warning: WPA configured, but is untested
wlan0 warning: with this device
wlan0 starting wpa_supplicant
Could not set interface wlan0 flags: No such file or directory
nl80211: Could not set interface 'wlan0' UP
Could not set interface wlan0 flags: No such file or directory
WEXT: Could not set interface 'wlan0' UP
wlan0: Failed to initialize driver interface
RTNETLINK answers: No such file or directory
Starting DHCP4 client on wlan0. .
wlan0 DHCP4 client NOT running
RTNETLINK answers: No such file or directory
Cannot enable interface wlan0.
interface wlan0 is not up
lsusb
Bus 001 Device 004: ID 148f:5370 Ralink Technology, Corp. RT5370 Wireless Adapter
Bus 002 Device 002: ID 04f3:0103 Elan Microelectronics Corp.
Bus 003 Device 002: ID 1bcf:0029 Sunplus Innovation Technology Inc.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 004: ID 148f:5370 Ralink Technology, Corp. RT5370 Wireless Adapter 这行就是我的网卡了，腾达的一个 USB 网卡。openSUSE-xfce 12.2，内核版本是3.4.
以前都是直接用 rt2800usb 驱动，内核自带，安装好系统就可以用的了。这次不知道怎么回事。
