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tomaspinho/rtl8821ce

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Fix incorrect kernel option and add grubby equivalent.

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README.md

This repository hosts the code for the Arch Linux AUR Package. It’s targeting Linux > 4.14 and is being developed for Arch Linux and Ubuntu 18.10. No support will be provided for other Linux distributions or Linux Kernel versions outside of that range.

The maintainers of this repository are not Realtek employees and are maintaining this repository for their own usage. Further feature development (such as proper power saving, etc.) will not be pursued here, but will be gladly integrated if newer driver sources are provided by Realtek. Use at your own risk.

This driver can be installed using DKMS. This is a system which will automatically recompile and install a kernel module when a new kernel gets installed or updated. To make use of DKMS, install the dkms package.

Make sure you have a proper build environment and dkms installed.

The following steps are required prior to building the driver on Ubuntu/Debian:

sudo apt install bc module-assistant build-essential dkms sudo m-a prepare 

Ubuntu users may also install the prebuilt rtl8821ce-dkms package, an older version of the driver maintained by the Ubuntu MOTU Developers group for bionic, eoan and focal. It has been known to work in cases where the newer driver available here does not. Bugs and issues with that package should be reported at Launchpad rather than here.

Make sure you have the base-devel package group installed before you proceed for the necessary compilation tools.

Dependencies for manual installation on Arch Linux

sudo pacman -Syu linux-headers dkms bc 

If you are running a non-vanilla kernel then install the headers to match the kernel package. Proceed to the section below.

An unofficial Gentoo package is available, using this repository as upstream. It is available from the trolltoo overlay. Gentoo does not use or require dkms for packaged drivers.

# layman -a trolltoo # emerge --ask net-wireless/rtl8821ce-driver 

Manual installation of driver

In order to install the driver open a terminal in the directory with the source code and execute the following command:

Open a terminal window and git clone the repository to your local disk

git clone https://github.com/tomaspinho/rtl8821ce.git cd rtl8821ce 

Then run the removal script:

Make sure you have your local copy of this repository fully updated:

When reporting issues, please make sure that debugging is enabled. To enable debugging either set MAKEFLAGS=»CONFIG_RTW_DEBUG = y» before compilation or edit Makefile:

This will enable verbose debug logging, helpful to developers.

PCIe Active State Power Management

Your distribution may come with PCIe Active State Power Management enabled by default. That may conflict with this driver. To disable:

sudo $EDITOR /etc/default/grub 

Add pcie_aspm=off at the end of GRUB_CMDLINE_LINUX_DEFAULT. Line should look like this:

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash pcie_aspm=off" 

Then update your GRUB configuration:

On systems that doesn’t have update-grub but have grubby like Fedora, you can directly execute instead:

sudo grubby --update-kernel=ALL --args=pcie_aspm=off 

Some new Yoga laptops (like the Yoga 530) come with rtl8821ce as the Wi-Fi/Bluetooth chip. But the ideapad-laptop module, which may come included in your distribution, may conflict with this driver. To disable:

sudo modprobe -r ideapad_laptop 

This may be due to the Kernel loading up the wrong firmware file for this card. Please take a look at @wahsot’s tutorial at #19 (comment) to see if that helps you out.

If your system uses Secure Boot, the kernel will not accept user-supplied modules. There are two ways to solve this issue:

1. Disable Secure Boot via BIOS/UEFI settings.
2. Create or use an existing MOK (Machine Owner Key) to sign the compiled .ko linux kernel object produced by DKMS.

Unstable connection — slowdowns or dropouts

The problem may be due to the periodic scanning of access points by the network applet.

This fix worked helpful on Pop! _OS/Ubuntu 20.10 and Fedora 33. Both with GNOME and NetworkManager. #179

Set the BSSID from your network applet. In GNOME this can be done in WiFi Settings > Your profile > Identity > BSSID .

We are going to disable the Connectivity Check option in NetworkManager. This by editing the file in /var/lib/NetworkManager/NetworkManager-intern.conf and adding the following instructions at the end:

[connectivity] .set.enabled=false 

Then, just reboot or restart the NetworkManager unit to fix the problem.

Wi-Fi not working for kernel >= 5.9

The Linux Kernel 5.9 version comes with a broken rtw88 module developed by Realtek that has poor compatibility with most revisions of the 8821ce chip.

You must disable it by adding the following to your module blacklists ( /etc/modprobe.d/blacklist.conf ):

Then, make sure you have the rtl8821ce module correctly installed.

Turn off your computer, wait a few seconds (to force firmware reload) and then turn it on again.

Wi-Fi and Bluetooth don’t work after suspend

This is a bug that won’t be fixed until/if Realtek implements proper power management themselves. Given they are now only working in rtw88 , this driver will most likely never be fixed in this regard. Please avoid opening issues about this.

Monitor (promiscuous) mode doesn’t work

This driver doesn’t support it and never will. Please avoid opening issues about this.

Источник

Как установить драйвера Realtek HD на Linux: шаг за шагом руководство

Realtek HD Audio является одним из самых популярных аудио-драйверов для операционных систем Windows. Но что делать, если вы используете Linux? В этой статье мы опишем пошаговое руководство по установке драйверов Realtek HD на Linux.

Шаг 1: Определите точную модель звуковой карты

Прежде всего, вам нужно определить, какая модель звуковой карты установлена в вашем компьютере. Это можно сделать с помощью команды lspci в терминале:

Команда должна выдать информацию о звуковой карте. Например:

00:1f.3 Audio device: Intel Corporation 200 Series PCH HD Audio 

Шаг 2: Установите необходимые зависимости

Перед установкой драйверов, убедитесь, что у вас установлены необходимые зависимости. Откройте терминал и выполните следующую команду:

sudo apt-get install build-essential linux-headers-generic 

Шаг 3: Скачайте драйверы Realtek HD от производителя

Чтобы загрузить драйверы Realtek HD для Linux, перейдите на сайт производителя и найдите соответствующий раздел поддержки. Оттуда вы можете загрузить драйверы для вашей модели звуковой карты.

Шаг 4: Распакуйте драйверы и перейдите в папку

После того, как вы скачали драйверы, распакуйте их и перейдите в папку с помощью команд:

Шаг 5: Настройка конфигурации звука

Прежде чем компилировать драйвер, необходимо внести изменения в конфигурацию звука. Для этого откройте файл с помощью текстового редактора:

sudo nano /etc/modprobe.d/alsa-base.conf 

Добавьте следующую строку в конец файла:

options snd-hda-intel model=auto 

Шаг 6: Установите драйверы

Теперь, когда конфигурация звука настроена, вы можете установить драйверы. Для этого выполните следующие команды:

sudo su make make install 

Шаг 7: Перезагрузите систему

После установки драйверов рекомендуется перезагрузить компьютер, чтобы изменения вступили в силу:

Вывод

В этой статье мы показали, как установить драйверы Realtek HD на Linux. Следуя этим простым шагам, вы сможете наслаждаться качественным звуком на вашем компьютере под управлением Linux.

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Realtek linux drivers ubuntu

Установка драйвера для Wi-Fi адаптера от Realtek под Linux может стать небольшой проблемой. Есть несколько версий драйверов на github, но не все подходят для ядра линукс версий 5.+ . Здесь покажу рабочий вариант

У меня USB адаптер, и вот так он выглядит в lsusb. ID: 0bda:c811

Bus 001 Device 003: ID 0bda:c811 Realtek Semiconductor Corp. 802.11ac NIC 

Установка

Вот этот драйвер подойдет к адаптерам на базе RTL8811CU RTL8821CU RTL8731AU, и к Linux kernel версий 4.19-6.1: https://github.com/morrownr/8821cu-20210916

Устанавливаю на Ubuntu 22.10:

sudo apt update && sudo apt install build-essential git dkms bc git clone https://github.com/morrownr/8821cu-20210916.git cd 8821cu-20210916 sudo ./install-driver.sh 

Если все прошло успешно, скрипт спросит “Do you want to edit the driver options file now?” — отказываемся. На предложение перезагрузки соглашаемся 🙂

После ребута получаем рабочий Wi-Fi адаптер:

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Step-by-step – Realtek Rtl8811AU Ubuntu 20.04 Driver Installation

GNU/Linux Ubuntu 20.04 Realtek rtl8811AU Driver Setup Guide

Hi! The Tutorial shows you Step-by-Step How to Install Realtek rtl8811AU Wireless Driver for Ubuntu 20.04 Focal LTS GNU/Linux Desktop.

Moreover, from some online Forum and from the original Realtek Documentation the Driver may support all the following Chipsets:

• RTL8192EU
• RTL8811AU
• RTL8811CU
• RTL8812AU
• RTL8812BU
• RTL8814AU
• RTL8822BU

Installing Realtek rtl8811AU Wireless Driver on Ubuntu GNU/Linux

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