alpha开发板，USB无线网卡 ifconfig wlan0 up 导致USB掉线

gaoyunshou · 发表于 2023-8-26 16:07:16

alpha i.MX6ull开发板
usb无限网卡，随机赠送的，应该是8188eu；
按照教材编译之后，可以正常安装网卡：

/# modprobe -v 8188eu

[16:00:05:914] [ 9.187544] RTL871X: module init start␍␊

[16:00:05:923] [ 9.191319] RTL871X: rtl8188eu v4.3.0.9_15178.20150907␍␊

[16:00:05:932] [ 9.201117] RTL871X: build time: Aug 22 2023 21:31:32␍␊

[16:00:05:941] [ 9.211109] bFWReady == _FALSE call reset 8051...␍␊

[16:00:05:980] [ 9.254456] RTL871X: rtw_ndev_init(wlan0)␍␊

[16:00:05:991] [ 9.261387] usbcore: registered new interface driver rtl8188eu␍␊

[16:00:06:040] [ 9.314990] RTL871X: module init ret=0␍␊

[16:00:09:666] / # lsmod␍␊

[16:00:14:200] Module Size Used by Not tainted␍␊

[16:00:14:203] 8188eu 778455 0 ␍␊

[16:01:04:059] / # iwconfig␍␊

[16:01:12:134] wlan0 unassociated Nickname:"<WIFI@REALTEK>"␍␊

[16:01:12:136] Mode:Managed Frequency=2.412 GHz Access Point: Not-Associated ␍␊

[16:01:12:145] Sensitivity:0/0 ␍␊

[16:01:12:145] Retry

ff RTS thr

ff Fragment thr

ff␍␊

[16:01:12:156] Encryption key

ff␍␊

[16:01:12:156] Power Management

ff␍␊

[16:01:12:156] Link Quality:0 Signal level:0 Noise level:0␍␊

[16:01:12:169] Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0␍␊

[16:01:12:169] Tx excessive retries:0 Invalid misc:0 Missed beacon:0␍␊

[16:01:12:194] / # lsusb␍␊

[16:02:54:678] Bus 001 Device 002: ID 1a40:0101␍␊

[16:02:54:678] Bus 001 Device 001: ID 1d6b:0002␍␊

[16:02:54:690] Bus 001 Device 003: ID 0bda:8179␍

然后 ifconfig wlan0 up；会显示“usb 1-1.2: USB disconnect, device number 3”；

[16:02:54:690] / # ifconfig wlan0 up␍␊

[16:03:38:005] [ 221.254127] ==> rtl8188e_iol_efuse_patch ␍␊

[16:03:38:329] [ 221.577738] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready␍␊

[16:03:38:335] [ 221.584522] usb 1-1.2: USB disconnect, device number 3␍␊

[16:03:38:342] [ 221.590147] RTL871X: indicate disassoc␍␊

[16:03:38:351] / # [ 221.594758] RTL871X: rtw_cmd_thread: DriverStopped(0) SurpriseRemoved(1) break at line 478␍␊

[16:03:38:358] [ 221.603790] RTL871X: rtw_ndev_uninit(wlan0)␍␊

[16:03:38:375] [ 221.623759] RTL871X: rtw_dev_unload: driver not in IPS␍

并且USB掉线

[16:04:37:065] lsusb␍␊

[16:04:37:074] Bus 001 Device 002: ID 1a40:0101␍␊

[16:04:37:074] Bus 001 Device 001: ID 1d6b:0002␍␊

[16:04:37:082] / #

iwconfig看不到网卡了

[16:06:27:541] / # iwconfig␍␊

[16:06:35:020] sit0 no wireless extensions.␍␊

[16:06:35:020] ␍␊

[16:06:35:020] lo no wireless extensions.␍␊

[16:06:35:033] ␍␊

[16:06:35:033] eth0 no wireless extensions.␍␊

[16:06:35:033] ␍␊

[16:06:35:033] eth1 no wireless extensions.␍␊

[16:06:35:033] ␍␊

[16:06:35:033] can0 no wireless extensions.␍␊

[16:06:35:033] ␍␊

[16:06:35:033] / #

各位有没有遇到这个情况的，请帮忙指点一下，多谢！

gaoyunshou · 发表于 2023-8-26 16:07:17

我换了一个8723bu的USB无线网卡，就好了

gaoyunshou · 发表于 2023-8-26 16:17:13

alpha i.MX6ull开发板
usb无限网卡，随机赠送的，应该是8188eu；
按照教材编译之后，可以正常安装网卡：

/# modprobe -v 8188eu
[16:10:30:626] [ 10.029228] 8188eu: unknown parameter 'rtw_vht_enable' ignored
[16:10:30:631] [ 10.035280] 8188eu: unknown parameter 'rtw_power_mgmt' ignored
[16:10:30:639] [ 10.042570] RTL871X: module init start
[16:10:30:649] [ 10.051093] RTL871X: rtl8188eu v4.3.0.9_15178.20150907
[16:10:30:656] [ 10.056412] RTL871X: build time: Aug 22 2023 21:31:32
[16:10:30:665] [ 10.066303] bFWReady == _FALSE call reset 8051...
[16:10:30:706] [ 10.109344] RTL871X: rtw_ndev_init(wlan0)
[16:10:30:718] [ 10.116351] usbcore: registered new interface driver rtl8188eu
[16:10:30:720] [ 10.122270] RTL871X: module init ret=0

[16:10:34:154] / # lsmod
[16:10:41:286] Module                Size  Used by Not tainted
[16:10:41:290] 8188eu             778455  0

[16:12:46:214] / # iwconfig
[16:12:56:870] wlan0    unassociated  Nickname:"<WIFI@REALTEK>"
[16:12:56:872]          Mode:Managed  Frequency=2.412 GHz  Access Point: Not-Associated
[16:12:56:882]          Sensitivity:0/0
[16:12:56:882]          Retry

ff RTS thr

ff Fragment thr

ff
[16:12:56:894] Encryption key

ff
[16:12:56:894] Power Management

ff
[16:12:56:894]          Link Quality:0  Signal level:0  Noise level:0
[16:12:56:904]          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
[16:12:56:904]          Tx excessive retries:0  Invalid misc:0 Missed beacon:0
[16:12:56:913]
[16:12:56:913] sit0    no wireless extensions.
[16:12:56:913]
[16:12:56:913] lo       no wireless extensions.
[16:12:56:924]
[16:12:56:924] eth0    no wireless extensions.
[16:12:56:924]
[16:12:56:924] eth1    no wireless extensions.
[16:12:56:924]
[16:12:56:924] can0    no wireless extensions.

[16:12:56:936] / # lsusb
[16:13:52:526] Bus 001 Device 002: ID 1a40:0101
[16:13:52:526] Bus 001 Device 001: ID 1d6b:0002
[16:13:52:536] Bus 001 Device 003: ID 0bda:8179

然后 ifconfig wlan0 up；会显示“usb 1-1.2: USB disconnect, device number 3”；
[16:13:52:536] / # ifconfig wlan0 up
[16:14:47:210] [  132.794049] ==> rtl8188e_iol_efuse_patch
[16:14:47:424] [  133.007919] usb 1-1.2: USB disconnect, device number 3
[16:14:47:539] [  133.122976] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[16:14:47:544] [  133.129076] RTL871X: indicate disassoc
[16:14:47:551] [  133.132879] RTL871X: rtw_cmd_thread: DriverStopped(0) SurpriseRemoved(1) break at line 478
[16:14:47:561] / # [  133.142632] RTL871X: rtw_ndev_uninit(wlan0)
[16:14:47:579] [  133.163703] RTL871X: rtw_dev_unload: driver not in IPS

然后就看不到网卡wlan0
[16:15:59:660] / # iwconfig
[16:16:04:723] sit0    no wireless extensions.
[16:16:04:723]
[16:16:04:723] lo       no wireless extensions.
[16:16:04:733]
[16:16:04:733] eth0    no wireless extensions.
[16:16:04:733]
[16:16:04:733] eth1    no wireless extensions.
[16:16:04:733]
[16:16:04:733] can0    no wireless extensions.
[16:16:04:750]

也看不到对应的usb了
[16:16:04:750] / # lsusb
[16:16:52:710] Bus 001 Device 002: ID 1a40:0101
[16:16:52:712] Bus 001 Device 001: ID 1d6b:0002
[16:16:52:721] / #

各位有没有遇到这个情况的，请帮忙指点一下，多谢！

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alpha开发板，USB无线网卡 ifconfig wlan0 up 导致USB掉线

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