我在老的联想Ideapad Yoga13笔记本上安装了最新的深度操作系统20.4，5.10.83-amd64-desktop。这个笔记本没有有线网段，无线网卡是USB的Realtek RTL8723AU。
用lsusb:
Bus 001 Device 004: ID 0bda:1724 Realtek Semiconductor Corp. RTL8723AU 802.11n WLAN Adapter
lsmod 显示系统安装了rtl8xxxxu的驱动。无线网显示正常网络ssid，但是却不能连接，不断要求填写密码。而路由端则没有任何连接试图的信息。ifconfig没有显示任何网络链接。很显然，内核里的rtl8xxxu驱动不工作。参考一下
https://blog.csdn.net/tonylee1219/article/details/39642401
我将rtl8xxxu驱动打入blacklist，然后网上下载了rtl8723au驱动。解压后，make，make install。并将生成的8723au.ko文件mv到
/lib/modules/5.10.83-amd64-desktop/kernel/drivers/net/wireless/realtek/rtl8xxxu/下面，并将那里的rtl8xxxu.ko改名为backup。
modinfo显示
filename: /lib/modules/5.10.83-amd64-desktop/kernel/drivers/net/wireless/realtek/rtl8xxxu/8723au.ko version: v4.1.6_7336.20130426 author: Realtek Semiconductor Corp.
然后rmmod r8xxxu，depmod -a，但是insmod 8723au.ko显示
insmod 8723au insmod: ERROR: could not load module 8723au: No such file or directory
然后在/etc/modules-load.d/modules.conf文件里加入8723au.ko
系统重启后，可以连接无线路由并上网。但是当我
sudo dmesg | grep 8723 [ 8.142041] Bluetooth: hci0: RTL: loading rtl_bt/rtl8723a_fw.bin [ 8.271048] 8723au: loading out-of-tree module taints kernel. [ 8.271977] 8723au: module verification failed: signature and/or required key missing - tainting kernel [ 8.571760] usbcore: registered new interface driver rtl8723au [ 8.875473] rtl8723au 1-1.4:1.2 wlx2016d8b0481c: renamed from wlan0 [ 9.652224] RTL8723AU: ERROR set bssid:00:00:00:00:00:00 [ 9.652255] RTL8723AU: ERROR set ssid [g\xc6isQ\xffJ\xec)ͺ\xab\xf2\xfb\xe3F|\xc2T\xf8xe\xe7\x8dvZ.c3\x9fɚ] fw_state=0x00000008 [ 12.455086] RTL8723AU: ERROR set ssid [XXXXXXX] fw_state=0x00000008 [ 12.455163] RTL8723AU: ERROR set bssid:XX:XX:XX:XX:XX:XX [ 12.749962] RTL8723AU: ERROR start auth [ 12.753003] RTL8723AU: ERROR auth success, start assoc [ 12.759257] RTL8723AU: ERROR assoc success [ 12.769706] RTL8723AU: ERROR send eapol packet [ 12.785417] RTL8723AU: ERROR send eapol packet [ 12.785513] RTL8723AU: ERROR set pairwise key to hw: alg:4(WEP40-1 WEP104-5 TKIP-2 AES-4) camid:4 [ 12.788612] RTL8723AU: ERROR set group key to hw: alg:4(WEP40-1 WEP104-5 TKIP-2 AES-4) keyid:1
估计是这个驱动启动的不太成功。有不少错误。请问各位有何见教。什么地方出了错误。谢谢。
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我在老的联想Ideapad Yoga13笔记本上安装了最新的深度操作系统20.4，5.10.83-amd64-desktop。这个笔记本没有有线网段，无线网卡是USB的Realtek RTL8723AU。
用lsusb:
Bus 001 Device 004: ID 0bda:1724 Realtek Semiconductor Corp. RTL8723AU 802.11n WLAN Adapter
lsmod 显示系统安装了rtl8xxxxu的驱动。无线网显示正常网络ssid，但是却不能连接，不断要求填写密码。而路由端则没有任何连接试图的信息。ifconfig没有显示任何网络链接。很显然，内核里的rtl8xxxu驱动不工作。参考一下
https://blog.csdn.net/tonylee1219/article/details/39642401
我将rtl8xxxu驱动打入blacklist，然后网上下载了rtl8723au驱动。解压后，make，make install。并将生成的8723au.ko文件mv到
/lib/modules/5.10.83-amd64-desktop/kernel/drivers/net/wireless/realtek/rtl8xxxu/下面，并将那里的rtl8xxxu.ko改名为backup。
modinfo显示
filename: /lib/modules/5.10.83-amd64-desktop/kernel/drivers/net/wireless/realtek/rtl8xxxu/8723au.ko
version: v4.1.6_7336.20130426
author: Realtek Semiconductor Corp.
然后rmmod r8xxxu，depmod -a，但是insmod 8723au.ko显示
insmod 8723au
insmod: ERROR: could not load module 8723au: No such file or directory
然后在/etc/modules-load.d/modules.conf文件里加入8723au.ko
系统重启后，可以连接无线路由并上网。但是当我
sudo dmesg | grep 8723
[ 8.142041] Bluetooth: hci0: RTL: loading rtl_bt/rtl8723a_fw.bin
[ 8.271048] 8723au: loading out-of-tree module taints kernel.
[ 8.271977] 8723au: module verification failed: signature and/or required key missing - tainting kernel
[ 8.571760] usbcore: registered new interface driver rtl8723au
[ 8.875473] rtl8723au 1-1.4:1.2 wlx2016d8b0481c: renamed from wlan0
[ 9.652224] RTL8723AU: ERROR set bssid:00:00:00:00:00:00
[ 9.652255] RTL8723AU: ERROR set ssid [g\xc6isQ\xffJ\xec)ͺ\xab\xf2\xfb\xe3F|\xc2T\xf8xe\xe7\x8dvZ.c3\x9fɚ] fw_state=0x00000008
[ 12.455086] RTL8723AU: ERROR set ssid [XXXXXXX] fw_state=0x00000008
[ 12.455163] RTL8723AU: ERROR set bssid:XX:XX:XX:XX:XX:XX
[ 12.749962] RTL8723AU: ERROR start auth
[ 12.753003] RTL8723AU: ERROR auth success, start assoc
[ 12.759257] RTL8723AU: ERROR assoc success
[ 12.769706] RTL8723AU: ERROR send eapol packet
[ 12.785417] RTL8723AU: ERROR send eapol packet
[ 12.785513] RTL8723AU: ERROR set pairwise key to hw: alg:4(WEP40-1 WEP104-5 TKIP-2 AES-4) camid:4
[ 12.788612] RTL8723AU: ERROR set group key to hw: alg:4(WEP40-1 WEP104-5 TKIP-2 AES-4) keyid:1
估计是这个驱动启动的不太成功。有不少错误。请问各位有何见教。什么地方出了错误。谢谢。