解决TP-LINK无线网卡在debian上无法识别的问题

解决TP-LINK无线网卡在debian上无法识别的问题 TP-LINK无线网卡   tl-wn721n 驱动问题 问题描述：在debian系统上插入无线网卡后，系统没有任何反映。 使用dmesg发现该无线网卡已经被识别了，只是在/lib/firmware/目录下没有找到htc_9271.fw文件 [ 6372.304464] usb 2-6: USB disconnect, device number 4[ 6927.052039] usb 2-5: new high-speed USB device number 5 using ehci_hcd[ 6927.200902] usb 2-5: New USB device found, idVendor=0cf3, idProduct=9271[ 6927.200906] usb 2-5: New USB device strings: Mfr=16, Product=32, SerialNumber=48[ 6927.200910] usb 2-5: Product: USB2.0 WLAN[ 6927.200912] usb 2-5: Manufacturer: ATHEROS[ 6927.200914] usb 2-5: SerialNumber: 12345[ 6927.203718] usb 2-5: ath9k_htc: Firmware - htc_9271.fw not found[ 6927.203731] ath9k_htc: probe of 2-5:1.0 failed with error -22  www.2cto.com  在网上下载这个文件（http://www.2cto.com/uploadfile/2012/0526/20120526095255715.zip），放入/lib/firmware/，拔掉无线网卡再插上，提示信息如下，link is not ready。此时发现已经可以用无线网卡了 7127.561854] usb 2-6: ath9k_htc: USB layer initialized[ 7127.568367] cfg80211: Regulatory domain changed to country: CN[ 7127.568370] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)[ 7127.568374] cfg80211: (2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm)[ 7127.568377] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (N/A, 3000 mBm)[ 7127.990370] ADDRCONF(NETDEV_UP): wlan0: link is not ready
  作者 木头r