☰

可见 0bda:a811 Realtek WiFi 适配器和（我相信已安装）设备驱动程序未连接

tag-icon • tag-icon 16.04 wireless usb realtek
可见 0bda:a811 Realtek WiFi 适配器和（我相信已安装）设备驱动程序未连接

lsusb

Bus 001 Device 002: ID 8087:8000 Intel Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 002: ID 18a5:0246 Verbatim, Ltd 
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 004: ID 0a5c:216d Broadcom Corp. 
Bus 002 Device 005: ID 0cf3:7015 Atheros Communications, Inc. TP-Link TL-WN821N v3 / TL-WN822N v2 802.11n [Atheros AR7010+AR9287]
Bus 002 Device 006: ID 0bda:a811 Realtek Semiconductor Corp. 
Bus 002 Device 002: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

我遇到问题的设备是 006

dkms status

8812au, 4.2.2, 4.13.0-39-generic, x86_64: installed
bcmwl, 6.30.223.271+bdcom, 4.13.0-39-generic, x86_64: installed
bcmwl, 6.30.223.271+bdcom, 4.4.0-122-generic, x86_64: installed

usb-devices

...

Bus=02 Lev=01 Prnt=01 Port=01 Cnt=02 Dev#=  6 Spd=480 MxCh= 0
D:  Ver= 2.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=0bda ProdID=a811 Rev=02.00
S:  Manufacturer=Realtek 
S:  Product=802.11ac WLAN Adapter 
S:  SerialNumber=00e04c000001
C:  #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=500mA
I:  If#= 0 Alt= 0 #EPs= 6 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none)

...

sudo lshw -class network

*-network               
       description: Ethernet interface
       product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: enp2s0
       version: 0c
       serial: 00:71:c2:08:aa:48
       size: 10Mbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8168g-2_0.0.1 02/06/13 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
       resources: irq:46 ioport:e000(size=256) memory:f7b00000-f7b00fff memory:f0a00000-f0a03fff
  *-network UNCLAIMED
       description: Network controller
       product: BCM43142 802.11b/g/n
       vendor: Broadcom Corporation
       physical id: 0
       bus info: pci@0000:04:00.0
       version: 01
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress cap_list
       configuration: latency=0
       resources: memory:f7a00000-f7a07fff
  *-network
       description: Wireless interface
       physical id: 2
       bus info: usb@2:4
       logical name: wlxa0f3c11c58c4
       serial: a0:f3:c1:1c:58:c4
       capabilities: ethernet physical wireless
       configuration: broadcast=yes driver=ath9k_htc driverversion=4.13.0-39-generic firmware=1.4 ip=172.20.10.5 link=yes multicast=yes wireless=IEEE 802.11

如何让适配器使用驱动程序？

或者我完全误解了这一点？

答案1

我回答这个问题是为了以后参考，我自己也发现了这个问题，但没有答案。有几个问题：

  1. 我在正确识别芯片组时遇到了问题。看来这个 0bda:a811 是 realtek 芯片组 rtl8812au；至少对我来说 rtl8812au 驱动程序是有效的。
  2. 该芯片组不适用于开箱即用的 Ubuntu 18.04-1。甚至您可以使用安装的 rtl8812au-dkms 驱动程序也apt-get不起作用。sudo apt-get install rtl8812au-dkms似乎安装了版本 4.3.8（您可以使用检查dkms status）。
  3. 幸运的是，新版本的驱动程序确实可以工作，但您需要手动安装。请参阅这个答案。我不完全明白是不是驱动程序不起作用或者只是模块加载器出了问题。

总结一下可以解决你的问题的命令：

git clone https://github.com/abperiasamy/rtl8812AU_8821AU_linux.git
cd rtl8812AU_8821AU_linux
sudo make -f Makefile.dkms install

此后，dkms status你应该看到如下一行：

rtl8812au, 4.3.14, 4.15.0-30-generic, x86_64: installed

重新启动它就可以工作了。

相关内容