TP-LINK无线网卡 tl-wn721n 驱动问题: Y) P$ c. E' H, O5 e
w. H2 |: b K* ?. j7 t/ R; u3 f 问题描述:在debian系统上插入无线网卡后,系统没有任何反映。# U" l$ D* T( x/ }$ O1 B' M G
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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
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[ 6372.304464] usb 2-6: USB disconnect, device number 4# `8 R6 y/ V8 k
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[ 6927.052039] usb 2-5: new high-speed USB device number 5 using ehci_hcd
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, l8 O( y; t# N; y [ 6927.200902] usb 2-5: New USB device found, idVendor=0cf3, idProduct=9271
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# z, g i, c1 c9 \ [ 6927.200906] usb 2-5: New USB device strings: Mfr=16, Product=32, SerialNumber=48
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[ 6927.200910] usb 2-5: Product: USB2.0 WLAN
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3 P/ E+ u+ ]7 @' K, D+ l* y' Q' ~ [ 6927.200912] usb 2-5: Manufacturer: ATHEROS
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[ 6927.200914] usb 2-5: SerialNumber: 12345* B' t7 N. [2 j
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[ 6927.203718] usb 2-5: ath9k_htc: Firmware - htc_9271.fw not found3 G+ Q% z8 q o5 R9 }* t
3 X* R& |; h5 {* w [ 6927.203731] ath9k_htc: probe of 2-5:1.0 failed with error -22' C* A0 D/ R! N& {: D* ~4 E9 m8 G
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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; ?( @, G& e9 y# j J, x
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7127.561854] usb 2-6: ath9k_htc: USB layer initialized: Y' |- y. l; ^& I7 ]: h
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[ 7127.568367] cfg80211: Regulatory domain changed to country: CN
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\& _; { `8 O m0 t# M* O1 F, _ [ 7127.568370] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)# B8 s7 w; ~4 Q# V7 Y- e: k% Z
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[ 7127.568374] cfg80211: (2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm)
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: {+ J# K+ Y) a [ 7127.568377] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (N/A, 3000 mBm)
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[ 7127.990370] ADDRCONF(NETDEV_UP): wlan0: link is not ready |