View Issue Details

IDProjectCategoryView StatusLast Update
0001045channel: elrepo/el8--elrepo--request-for-enhancement--public2022-03-02 12:14
Reportertraycaa Assigned Topperry  
PriorityurgentSeverityfeatureReproducibilityN/A
Status resolvedResolutionnot fixable 
Summary0001045: No Support for "Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter"
DescriptionHi, my laptop uses "Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter"

I have requested help on the Centos Forums and they have said that there doesnt seem to be support for this adaptor.

Can a package be built for this please as I urgently need it for my laptop.

Thank you :)
Tagswireless

Relationships

related to 0001207 closedpperry Request for a centos8 driver for Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe 

Activities

toracat

2020-10-17 12:08

administrator   ~0007232

You submitted this in the "el6" channel. Is this in error? EL6 ends in about a month.

traycaa

2020-10-17 12:10

reporter   ~0007233

oh sorry, this was meant to be for centos 8

toracat

2020-10-17 12:10

administrator   ~0007234

Last edited: 2020-10-17 12:14

Just saw your forum post. Ticket moved to el8.

Quoting from there:

    TrevorH wrote:
    2020/10/17 13:49:22
    Take a step back and post the output from lspci -nn | grep -iE "net|wireless"

The output is: Network Controller [0280]: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter [10ec:c821]

traycaa

2020-10-17 12:11

reporter   ~0007235

thank you my apologies.

toracat

2020-10-17 14:40

administrator   ~0007240

@traycaa

Just wanted to let you know that ELRepo's kernel-ml has support for your device. You may want to give it a try and see if your wireless works.

traycaa

2020-10-18 01:58

reporter   ~0007242

Hi,

Thank you. Since I have no ethernet I need to install it manually through usb.

Inside the kernel-ml rpms folder, there are many rpms. Do I have to install all of them?

Also, do i need to place it in a specific directory in elrepo?

toracat

2020-10-18 02:05

administrator   ~0007243

Download the following to a directory:

kernel-ml
kernel-ml-core
kernel-ml-modules

and run "dnf localinstall kernel*".

traycaa

2020-10-18 03:25

reporter   ~0007244

Hi,

I have installed the rpms but now for some reason when i start up the machine i get this as an option:

Red Hat Enterprise Linux (5.9.1-1.el8.elrepo.x86_64) 8.2 (0opta)

traycaa

2020-10-18 03:33

reporter   ~0007245

i definately must have screwed something up

traycaa

2020-10-18 08:51

reporter   ~0007246

I think im just gnna get an ethernet adapter for my laptop so I can install it much easier. See how we go...

pperry

2020-10-18 09:22

administrator   ~0007247

Did you try booting to that newer kernel? Did the wireless work?

traycaa

2020-10-18 09:29

reporter   ~0007248

wifi didnt work,

I booted to the newer kernel and it returned with error:

/grub-core/loader/i386/efi/linux.c:208:(hdo,gpt2)/vmlinux-5.9.1-1.el8.elrepo.x86_64 has invalid signature.

error: ../../grub-core/loader/i386/efi/linux.c:93: you need to load the kernel first

traycaa

2020-10-18 10:05

reporter   ~0007250

i tried running with secureboot off and it gets stuck on loading screen...

pperry

2020-10-18 11:15

administrator   ~0007251

Newer elrepo kernels are not signed for use with Secure Boot.

I couldn't see a linux driver from Realtek for this device, only Windows drivers:

https://www.realtek.com/en/component/zoo/category/rtl8821ce-software

I think at this point you are stuck with a device that is not supported on RHEL unless you can disable Secure Boot and run a newer kernel that supports the device.

For now there is nothing more I can suggest. Sorry

Issue History

Date Modified Username Field Change
2020-10-17 12:06 traycaa New Issue
2020-10-17 12:06 traycaa Status new => assigned
2020-10-17 12:06 traycaa Assigned To => toracat
2020-10-17 12:06 traycaa Tag Attached: wireless
2020-10-17 12:08 toracat Note Added: 0007232
2020-10-17 12:10 toracat Project channel: elrepo/el6 => channel: elrepo/el8
2020-10-17 12:10 traycaa Note Added: 0007233
2020-10-17 12:10 toracat Note Added: 0007234
2020-10-17 12:11 traycaa Note Added: 0007235
2020-10-17 12:14 toracat Note Edited: 0007234
2020-10-17 12:16 toracat Assigned To toracat => pperry
2020-10-17 14:40 toracat Note Added: 0007240
2020-10-18 01:58 traycaa Note Added: 0007242
2020-10-18 02:05 toracat Note Added: 0007243
2020-10-18 03:25 traycaa Note Added: 0007244
2020-10-18 03:33 traycaa Note Added: 0007245
2020-10-18 08:51 traycaa Note Added: 0007246
2020-10-18 09:22 pperry Note Added: 0007247
2020-10-18 09:29 traycaa Note Added: 0007248
2020-10-18 10:05 traycaa Note Added: 0007250
2020-10-18 11:15 pperry Note Added: 0007251
2020-10-18 11:17 pperry Status assigned => resolved
2020-10-18 11:17 pperry Resolution open => not fixable
2022-03-02 12:14 toracat Relationship added related to 0001207