我正在尝试为 80211 模块设置内核测试虚拟机。
我使用以下命令启动我的机器：
kvm -m 512 -net nic -net vde -usb -usbdevice host:0ace:1215 ktesting.img
我设置了一个 kvm 映像，其中 debian 连接到 eth0 接口上的 vde_switch，并且
Bus 003 Device 004: ID 0ace:1215 ZyDAS ZD1211B 802.11g
我安装了“zd1211-firmware”并在 /dev/bus/usb 中赋予了正确的权限。
wlan0 接口启动：
eth0 Link encap:Ethernet HWaddr 52:54:00:12:34:56
inet addr:192.168.2.15 Bcast:192.168.2.255 Mask:255.255.255.0
inet6 addr: fe80::5054:ff:fe12:3456/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:7 errors:0 dropped:0 overruns:0 frame:0
TX packets:13 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1706 (1.6 KiB) TX bytes:1458 (1.4 KiB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
wlan0 Link encap:Ethernet HWaddr 00:02:72:71:dc:a3
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 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)
但是当我尝试使用 wpa_supplicant 连接到我的路由器时：
wpa_supplicant -i wlan0 -c conf
我得到了这个输出（stderr 和 stout）：
ioctl[SIOCSIWENCODEEXT]: Invalid argument
ioctl[SIOCSIWENCODEEXT]: Invalid argument
ioctl[SIOCSIWFREQ]: Device or resource busy
ioctl[SIOCSIWFREQ]: Device or resource busy
ioctl[SIOCSIWFREQ]: Device or resource busy
ioctl[SIOCSIWFREQ]: Device or resource busy
wlan0: Trying to associate with 00:0c:f6:83:e8:9f (SSID='home' freq=2412 MHz)
wlan0: Association request to the driver failed
wlan0: Authentication with 00:0c:f6:83:e8:9f timed out.
wlan0: Trying to associate with 00:0c:f6:83:e8:9f (SSID='home' freq=2412 MHz)
wlan0: Association request to the driver failed
wlan0: Authentication with 00:0c:f6:83:e8:9f timed out.
wlan0: Trying to associate with 00:0c:f6:83:e8:9f (SSID='home' freq=2412 MHz)
wlan0: Association request to the driver failed
wlan0: Authentication with 00:0c:f6:83:e8:9f timed out.
wlan0: Trying to associate with 00:0c:f6:83:e8:9f (SSID='home' freq=2412 MHz)
wlan0: Association request to the driver failed
wlan0: Authentication with 00:0c:f6:83:e8:9f timed out.
wlan0: CTRL-EVENT-TERMINATING - signal 2 received
我尝试使用笔记本电脑上的 wifi 适配器连接到同一个网络，使用同一个配置文件，只安装 zd1211-firmware，它工作正常。这不是我编译的内核的问题，因为问题仍然存在于库存 debian 内核（wheezy）