RTL8822CE无线适配器无法在Ubuntu18.04上工作

Question

我刚买了一个华硕的tuf游戏a15，想要安装ubuntu18.04(不是20.04，因为有些像tensorrt这样的程序还不支持)。我使用了一个可引导的usb来安装，在安装之后，由于这个问题，我无法启动无法在ASUS a 15上安装Ubuntu20.04 (ACPI?)，所以按照推荐的答案(GRUB_CMDLINE_LINUX_DEFAULT=“安静启动模式”)，我设法引导。但后来我意识到，尽管wifi似乎能工作，但它周围却找不到任何网络。

$ifconfig
enp2s0: flags=4163  mtu 1500
        inet 192.168.1.6  netmask 255.255.255.0  broadcast 192.168.1.255
        inet6 fe80::53fc:d382:186c:5e32  prefixlen 64  scopeid 0x20
        ether 3c:7c:3f:1b:5e:22  txqueuelen 1000  (Ethernet)
        RX packets 55782  bytes 69075165 (69.0 MB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 27388  bytes 2805436 (2.8 MB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 2433  bytes 240013 (240.0 KB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 2433  bytes 240013 (240.0 KB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

$wfconfig

lo        no wireless extensions.

enp2s0    no wireless extensions.

wlp3s0    IEEE 802.11  ESSID:off/any  
          Mode:Managed  Access Point: Not-Associated   Tx-Power=0 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:on

$lshw -C netowork
  *-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: 15
       serial: 3c:7c:3f:1b:5e:22
       size: 100Mbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 duplex=full firmware=rtl8168h-2_0.0.2 02/26/15 ip=192.168.1.6 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
       resources: irq:51 ioport:e000(size=256) memory:fc904000-fc904fff memory:fc900000-fc903fff
  *-network DISABLED
       description: Wireless interface
       product: Realtek Semiconductor Co., Ltd.
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: wlp3s0
       version: 00
       serial: 80:30:49:d2:17:d3
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=rtw_pci driverversion=5.4.0-64-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11
       resources: irq:68 ioport:d000(size=256) memory:fc800000-fc80ffff

lspci -knn | grep Net -A3; rfkill list

03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. Device [10ec:c822]
    Subsystem: Lite-On Communications Inc Device [11ad:0810]
    Kernel driver in use: rtw_pci
    Kernel modules: rtwpci
0: hci0: Bluetooth
    Soft blocked: yes
    Hard blocked: no
1: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no

dmesg | grep rtw
[    2.898620] rtw_pci 0000:03:00.0: enabling device (0000 -> 0003)
[    2.898846] rtw_pci 0000:03:00.0: Direct firmware load for rtw88/rtw8822c_wow_fw.bin failed with error -2
[    2.898850] rtw_pci 0000:03:00.0: failed to request firmware
[    2.905431] rtw_pci 0000:03:00.0: Firmware version 5.0.0, H2C version 14
[    3.001512] rtw_pci 0000:03:00.0 wlp3s0: renamed from wlan0
[    3.229403] rtw_pci 0000:03:00.0: failed to wait firmware completion
[    3.239120] rtw_pci 0000:03:00.0: failed to wait firmware completion
[    3.239953] rtw_pci 0000:03:00.0: failed to wait firmware completion
[   13.096755] rtw_pci 0000:03:00.0: failed to wait firmware completion
[   13.097719] rtw_pci 0000:03:00.0: failed to wait firmware completion
[   23.098690] rtw_pci 0000:03:00.0: failed to wait firmware completion
[   23.099604] rtw_pci 0000:03:00.0: failed to wait firmware completion
[   33.100008] rtw_pci 0000:03:00.0: failed to wait firmware completion
[   33.101058] rtw_pci 0000:03:00.0: failed to wait firmware completion
[   43.103821] rtw_pci 0000:03:00.0: failed to wait firmware completion
[   43.105017] rtw_pci 0000:03:00.0: failed to wait firmware completion
[   53.103730] rtw_pci 0000:03:00.0: failed to wait firmware completion
[   53.104875] rtw_pci 0000:03:00.0: failed to wait firmware completion

我不认为它的适配器的问题，因为windows 10似乎很好地找到适配器。这是我第一次发现这样的问题，所以我不知道怎么做，如果有人从来没有处理过这样的错误，请告诉我。

(我可以用工作良好的以太网连接互联网)

Answer 1

Ubuntu18.04存储库中的linux-firmware不包含rtw8822c_wow_fw.bin文件。在20.04，它已经增加了。

你可以这样得到它。在终点站运行：

sudo apt install git
git clone git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
sudo cp linux-firmware/rtw88/rtw8822c_wow_fw.bin /lib/firmware/rtw88

重新启动，Wi应该能工作。

如果愿意，可以删除linux-firmware目录。安装固件后不需要它。