RealTek 驱动程序不适用于 Ubuntu 20.04 内核：5.4

Question

我很难在 Ubuntu 20.04 的 Legion 530 上启用 wifi。

到目前为止我尝试过的事情，

sudo tee /etc/modprobe.d/blacklist-ideapad.conf <<< "blacklist ideapad_laptop"
rebooted

我可以看到 wifi 已启用，但无法检测到任何可用网络。

然后我尝试：

echo "options r8822be aspm=0" | sudo tee /etc/modprobe.d/r8822be.conf
sudo rmmod r8822be
rmmod: ERROR: Module r8822be is not currently loaded

我真的很感激任何帮助。

详细信息：操作系统：Ubuntu 20.04 Wifi：Realtek r8822be 笔记本电脑：Lenovo Legion

nitish@Lenovo-Legion-Y530:~/rtlwifi_new$ lspci -knn | grep Net -A3; rfkill list
07:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8822BE 802.11a/b/g/n/ac WiFi adapter [10ec:b822] (rev ff)
    Kernel driver in use: rtw_pci
    Kernel modules: rtwpci
08:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15)
0: hci0: Bluetooth
    Soft blocked: yes
    Hard blocked: no
1: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no


nitish@Lenovo-Legion-Y530:~/rtlwifi_new$ dmesg | grep rtw
[   11.697579] rtw_pci 0000:07:00.0: Firmware version 13.1.0, H2C version 6
[   11.839161] rtw_pci 0000:07:00.0 wlp7s0f0: renamed from wlan0
[   31.153772] rtw_pci 0000:07:00.0: failed to poll offset=0x5 mask=0x2 value=0x0
[   31.153779] rtw_pci 0000:07:00.0: mac power on failed
[   31.153780] rtw_pci 0000:07:00.0: failed to power on mac
[   33.597618] rtw_pci 0000:07:00.0: failed to poll offset=0x5 mask=0x2 value=0x0
[   33.597625] rtw_pci 0000:07:00.0: mac power on failed
[   33.597627] rtw_pci 0000:07:00.0: failed to power on mac
[   35.760004] rtw_pci 0000:07:00.0: failed to poll offset=0x5 mask=0x2 value=0x0
[   35.760012] rtw_pci 0000:07:00.0: mac power on failed
[   35.760013] rtw_pci 0000:07:00.0: failed to power on mac
[   48.181900] rtw_pci 0000:07:00.0: failed to poll offset=0x5 mask=0x2 value=0x0
[   48.181908] rtw_pci 0000:07:00.0: mac power on failed
[   48.181909] rtw_pci 0000:07:00.0: failed to power on mac
[   50.349350] rtw_pci 0000:07:00.0: failed to poll offset=0x5 mask=0x2 value=0x0
[   50.349357] rtw_pci 0000:07:00.0: mac power on failed
[   50.349359] rtw_pci 0000:07:00.0: failed to power on mac
[   63.186854] rtw_pci 0000:07:00.0: failed to poll offset=0x5 mask=0x2 value=0x0
[   63.186861] rtw_pci 0000:07:00.0: mac power on failed
[   63.186862] rtw_pci 0000:07:00.0: failed to power on mac
[   65.355119] rtw_pci 0000:07:00.0: failed to poll offset=0x5 mask=0x2 value=0x0
[   65.355126] rtw_pci 0000:07:00.0: mac power on failed
[   65.355127] rtw_pci 0000:07:00.0: failed to power on mac
[   78.161145] rtw_pci 0000:07:00.0: failed to poll offset=0x5 mask=0x2 value=0x0
[   78.161153] rtw_pci 0000:07:00.0: mac power on failed
[   78.161154] rtw_pci 0000:07:00.0: failed to power on mac
[   80.334851] rtw_pci 0000:07:00.0: failed to poll offset=0x5 mask=0x2 value=0x0
[   80.334858] rtw_pci 0000:07:00.0: mac power on failed
[   80.334859] rtw_pci 0000:07:00.0: failed to power on mac
[   93.061333] rtw_pci 0000:07:00.0: failed to poll offset=0x5 mask=0x2 value=0x0
[   93.061340] rtw_pci 0000:07:00.0: mac power on failed
[   93.061341] rtw_pci 0000:07:00.0: failed to power on mac
[   95.231662] rtw_pci 0000:07:00.0: failed to poll offset=0x5 mask=0x2 value=0x0
[   95.231669] rtw_pci 0000:07:00.0: mac power on failed
[   95.231669] rtw_pci 0000:07:00.0: failed to power on mac
[  108.036114] rtw_pci 0000:07:00.0: failed to poll offset=0x5 mask=0x2 value=0x0
[  108.036122] rtw_pci 0000:07:00.0: mac power on failed
[  108.036123] rtw_pci 0000:07:00.0: failed to power on mac
[  110.205476] rtw_pci 0000:07:00.0: failed to poll offset=0x5 mask=0x2 value=0x0
[  110.205483] rtw_pci 0000:07:00.0: mac power on failed
[  110.205484] rtw_pci 0000:07:00.0: failed to power on mac

我什至尝试过以下步骤，但这没有任何区别

git clone https://github.com/lwfinger/rtlwifi_new.git

cd rtlwifi_new
git checkout extended
make
sudo make install
sudo modprobe -r rtl8822be
sudo modprobe rtl8822be

注意：在 Ubuntu 18.04 上运行完美

Answer 1

我有 Lenovo Ideapad 530S，从 18.04 升级到 Ubuntu 20.04 后，WI-FI 停止工作。

这篇文章帮助了我： https ://askubuntu.com/a/1271087/972111

sudo apt install build-essential git
git clone https://github.com/mid-kid/r8822be.git
cd r8822be
./make

# remove the misbehaving rtw88 module
sudo rmmod rtwpci rtw88

# install the r8822be module
sudo ./make install
sudo modprobe r8822be
sudo reboot

Answer 2

我有一台 Lenovo Ideapad，Ubuntu 20.04.03 LTS，内核为 5.11.0.27，使用 PCI Realtek 8822be Wi-Fi/蓝牙适配器。

我尝试了上面的Bulat 驱动程序修复，但它不能长期工作。最后我发现一个帖子建议使用这个命令关闭Wi -Fi电源控制：

sudo sed -i 's/3/2/' /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf

这样就成功了。