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#1 2021-04-23 16:00:08

neostanniy
Member
From: Kyiv, Ukraine
Registered: 2021-04-23
Posts: 7

rtl8821ce-dkms-git in kernel during install [SOLVED]

Hello everyone and I am sorry for bothering you, but I've been surfing the Internet from the very morning and found no answer.
I've got a huge issue with brand new HP Laptop 15s-eq1001ua, which uses the only available network interface -- rtl8821CE wifi adapter.
Of course, it doesn't works on live Arch installation media, because after a lot of searching I found out that there's no rtl8821CE support inside the kernel.
Is there any way to install Arch Linux despite this? Cuz I feel like I am very, very dumb... :-(
Thank you very much for your help!

Last edited by neostanniy (2021-05-01 02:58:55)


"Life is what happens to you while you're busy making other plans" © John Winston Ono Lennon.

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#2 2021-04-23 16:33:18

Slithery
Forum Moderator
From: Norfolk, UK
Registered: 2013-12-01
Posts: 4,327

Re: rtl8821ce-dkms-git in kernel during install [SOLVED]

Have you got a smartphone you can plug in and tether to your WiFi with?


No, it didn't "fix" anything. It just shifted the brokeness one space to the right. - jasonwryan
Closing -- for deletion; Banning -- for muppetry. - jasonwryan

aur - dotfiles

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#3 2021-04-23 16:52:29

neostanniy
Member
From: Kyiv, Ukraine
Registered: 2021-04-23
Posts: 7

Re: rtl8821ce-dkms-git in kernel during install [SOLVED]

Slithery wrote:

Have you got a smartphone you can plug in and tether to your WiFi with?

Nope.


"Life is what happens to you while you're busy making other plans" © John Winston Ono Lennon.

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#4 2021-04-23 16:53:00

neostanniy
Member
From: Kyiv, Ukraine
Registered: 2021-04-23
Posts: 7

Re: rtl8821ce-dkms-git in kernel during install [SOLVED]

Slithery wrote:

Have you got a smartphone you can plug in and tether to your WiFi with?

But... well, I can borrow it somewhere... I guess :-)


"Life is what happens to you while you're busy making other plans" © John Winston Ono Lennon.

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#5 2021-04-24 11:52:19

Lone_Wolf
Member
From: Netherlands, Europe
Registered: 2005-10-04
Posts: 9,132

Re: rtl8821ce-dkms-git in kernel during install [SOLVED]

neostanniy wrote:

Of course, it doesn't works on live Arch installation media, because after a lot of searching I found out that there's no rtl8821CE support inside the kernel.

There actually is a kernel driver for that chipset, module is called rtw88_8821ce .
Comments on the aur page for rtl8821ce-dkms-git suggest it may not work with all variants of the 8821CE yet, but it's worth a try .

After booting the install iso run lsmod | grep rtw88 to verify if it is loaded.
If it isn't , try modprobing it manually .



$ modinfo rtw88_8821ce 
filename:       /lib/modules/5.11.16-arch1-1/kernel/drivers/net/wireless/realtek/rtw88/rtw88_8821ce.ko.xz
license:        Dual BSD/GPL
description:    Realtek 802.11ac wireless 8821ce driver
author:         Realtek Corporation
srcversion:     937569CB329370F6305F581
alias:          pci:v000010ECd0000C821sv*sd*bc*sc*i*
depends:        rtw88_pci,rtw88_8821c
retpoline:      Y
intree:         Y
name:           rtw88_8821ce
vermagic:       5.11.16-arch1-1 SMP preempt mod_unload 
sig_id:         PKCS#7
signer:         Build time autogenerated kernel key
sig_key:        78:15:08:C1:B9:4D:CC:98:F1:3A:D2:52:57:32:6F:13:94:41:50:8D
sig_hashalgo:   sha512
signature:      5B:FD:65:7D:47:52:45:54:C5:12:2C:D0:C8:8C:85:9D:36:CD:40:13:
                01:81:C8:DB:ED:F9:0A:B9:1B:EA:4D:95:53:A9:E2:EE:22:2A:30:1A:
                61:C3:29:E3:C5:21:E9:93:E9:BC:8A:42:C3:8F:CA:98:4E:4C:3C:33:
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                D9:82:C7:8A:2E:3D:09:6A:C1:97:D9:36:23:52:27:9D:BA:92:54:E0:
                22:47:12:68:3F:1F:42:FB:CF:BF:60:F7:EE:5A:90:33:9A:0A:02:A1:
                B6:9B:E1:06:DE:9A:F6:72:EA:D3:52:ED:73:5F:C5:FD:FB:4F:3B:93:
                83:21:DD:A7:45:A0:DB:CE:51:C4:01:1E:2A:03:DD:E8:A0:AC:1C:4C:
                00:F8:0D:28:5F:A8:C5:B5:B0:79:EE:17:1F:A7:F3:4B:0D:17:F1:BA:
                B0:DF:7C:07:87:0A:9E:FD:BB:8E:49:4C:CA:57:5C:56:45:77:3C:52:
                60:5D:DA:AE:6A:D9:CD:EB:A3:C1:67:F6:5A:52:B6:5B:C4:F5:D5:2C:
                F1:74:7A:DD:A6:5B:5E:5A:64:F5:EC:50:CC:50:02:28:E0:BF:EC:AB:
                83:BC:3F:65:F2:B9:28:ED:5C:5E:FF:9B:3A:81:CD:3B:DB:6A:ED:CC:
                51:11:AF:EA:10:CD:6D:61:2C:23:DD:AD:3F:40:78:91:D5:2E:5F:7A:
                82:68:28:3F:04:60:3F:4B:F9:22:F2:6A:B7:21:73:90:A1:6C:EB:95:
                ED:CB:D8:66:92:F9:37:16:BD:DF:03:8F:2C:1C:C1:6F:5D:80:59:BE:
                77:D0:88:0A:B4:32:DE:9C:C6:A5:13:3E:DC:13:7A:FB:0D:55:72:A4:
                11:B9:AD:60:C9:5A:B4:1F:55:F9:4A:BF:7C:8D:C8:50:FD:A1:31:5F:
                EE:F4:63:A8:F4:9C:E7:AA:98:29:4B:2C:89:8A:2F:96:0F:38:80:FD:
                F2:D5:9B:BE:32:4D:CA:6A:82:0A:CB:6A:8A:52:4D:12:E8:9E:C9:2E:
                F6:FA:C4:A0:15:2C:51:ED:D5:FE:59:48:55:D6:FC:FC:13:41:04:80:
                93:5D:FC:AF:90:E7:2F:73:C4:ED:4E:2B:48:49:2A:88:29:88:4B:64:
                71:AC:EC:A7:6B:BE:9F:13:11:8B:0E:D2
$ 

Disliking systemd intensely, but not satisfied with alternatives so focusing on taming systemd.
Did you use the guided installer ? If yes, I can't help you.

(A works at time B)  && (time C > time B ) ≠  (A works at time C)

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#6 2021-04-24 15:05:36

neostanniy
Member
From: Kyiv, Ukraine
Registered: 2021-04-23
Posts: 7

Re: rtl8821ce-dkms-git in kernel during install [SOLVED]

Lone_Wolf wrote:
neostanniy wrote:

Of course, it doesn't works on live Arch installation media, because after a lot of searching I found out that there's no rtl8821CE support inside the kernel.

There actually is a kernel driver for that chipset, module is called rtw88_8821ce .
Comments on the aur page for rtl8821ce-dkms-git suggest it may not work with all variants of the 8821CE yet, but it's worth a try .

After booting the install iso run lsmod | grep rtw88 to verify if it is loaded.
If it isn't , try modprobing it manually .



$ modinfo rtw88_8821ce 
filename:       /lib/modules/5.11.16-arch1-1/kernel/drivers/net/wireless/realtek/rtw88/rtw88_8821ce.ko.xz
license:        Dual BSD/GPL
description:    Realtek 802.11ac wireless 8821ce driver
author:         Realtek Corporation
srcversion:     937569CB329370F6305F581
alias:          pci:v000010ECd0000C821sv*sd*bc*sc*i*
depends:        rtw88_pci,rtw88_8821c
retpoline:      Y
intree:         Y
name:           rtw88_8821ce
vermagic:       5.11.16-arch1-1 SMP preempt mod_unload 
sig_id:         PKCS#7
signer:         Build time autogenerated kernel key
sig_key:        78:15:08:C1:B9:4D:CC:98:F1:3A:D2:52:57:32:6F:13:94:41:50:8D
sig_hashalgo:   sha512
signature:      5B:FD:65:7D:47:52:45:54:C5:12:2C:D0:C8:8C:85:9D:36:CD:40:13:
                01:81:C8:DB:ED:F9:0A:B9:1B:EA:4D:95:53:A9:E2:EE:22:2A:30:1A:
                61:C3:29:E3:C5:21:E9:93:E9:BC:8A:42:C3:8F:CA:98:4E:4C:3C:33:
                87:D6:F5:DA:6B:72:4D:41:19:78:E8:82:D1:4A:80:35:7F:6C:A9:AA:
                3C:C5:D6:38:8F:74:B2:CC:07:86:AA:87:8C:35:76:3F:47:AD:DF:CE:
                51:BF:0A:7E:CF:1A:31:87:74:4E:2E:BC:E1:5D:AA:DC:49:14:9F:A7:
                86:42:AE:51:2A:97:CE:E5:B2:53:FA:69:04:DD:7C:B3:D4:09:61:2A:
                D9:82:C7:8A:2E:3D:09:6A:C1:97:D9:36:23:52:27:9D:BA:92:54:E0:
                22:47:12:68:3F:1F:42:FB:CF:BF:60:F7:EE:5A:90:33:9A:0A:02:A1:
                B6:9B:E1:06:DE:9A:F6:72:EA:D3:52:ED:73:5F:C5:FD:FB:4F:3B:93:
                83:21:DD:A7:45:A0:DB:CE:51:C4:01:1E:2A:03:DD:E8:A0:AC:1C:4C:
                00:F8:0D:28:5F:A8:C5:B5:B0:79:EE:17:1F:A7:F3:4B:0D:17:F1:BA:
                B0:DF:7C:07:87:0A:9E:FD:BB:8E:49:4C:CA:57:5C:56:45:77:3C:52:
                60:5D:DA:AE:6A:D9:CD:EB:A3:C1:67:F6:5A:52:B6:5B:C4:F5:D5:2C:
                F1:74:7A:DD:A6:5B:5E:5A:64:F5:EC:50:CC:50:02:28:E0:BF:EC:AB:
                83:BC:3F:65:F2:B9:28:ED:5C:5E:FF:9B:3A:81:CD:3B:DB:6A:ED:CC:
                51:11:AF:EA:10:CD:6D:61:2C:23:DD:AD:3F:40:78:91:D5:2E:5F:7A:
                82:68:28:3F:04:60:3F:4B:F9:22:F2:6A:B7:21:73:90:A1:6C:EB:95:
                ED:CB:D8:66:92:F9:37:16:BD:DF:03:8F:2C:1C:C1:6F:5D:80:59:BE:
                77:D0:88:0A:B4:32:DE:9C:C6:A5:13:3E:DC:13:7A:FB:0D:55:72:A4:
                11:B9:AD:60:C9:5A:B4:1F:55:F9:4A:BF:7C:8D:C8:50:FD:A1:31:5F:
                EE:F4:63:A8:F4:9C:E7:AA:98:29:4B:2C:89:8A:2F:96:0F:38:80:FD:
                F2:D5:9B:BE:32:4D:CA:6A:82:0A:CB:6A:8A:52:4D:12:E8:9E:C9:2E:
                F6:FA:C4:A0:15:2C:51:ED:D5:FE:59:48:55:D6:FC:FC:13:41:04:80:
                93:5D:FC:AF:90:E7:2F:73:C4:ED:4E:2B:48:49:2A:88:29:88:4B:64:
                71:AC:EC:A7:6B:BE:9F:13:11:8B:0E:D2
$ 

Thank you very much! I borrowed a mobile phone from my wife and installed it as usual. You, guys, made me think that way. :-) Now I am having a great issue with Elantech touchpad, but I'll create another topic if won't find a solution. We can close this thread. Thank u once again! ;-)


"Life is what happens to you while you're busy making other plans" © John Winston Ono Lennon.

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