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[GH-ISSUE #45] [Bug]: #40

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opened 2026-10-13 19:33:18 +00:00 by bsakaguchi · 4 comments
bsakaguchi commented 2026-10-13 19:33:18 +00:00
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Originally created by @Jussi73 on GitHub (Jan 2, 2025).
Original GitHub issue: https://github.com/morrownr/8812au-20210820/issues/45

Checklist

  • I am not using this driver from inside a Virtual Machine.
  • I performed all of the installation steps as written.
  • I have read the FAQ and my question is not answered there.

Is Secure Boot enabled?

No

uname

Linux KodiBox 6.6.62+rpt-rpi-v8 #1 SMP PREEMPT Debian 1:6.6.62-1+rpt1 (2024-11-25) aarch64 GNU/Linux

lsusb

Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 0b05:17d2 ASUSTek Computer, Inc. USB-AC56 802.11a/b/g/n/ac Wireless Adapter [Realtek RTL8812AU] 
Bus 001 Device 004: ID 046d:c52b Logitech, Inc. Unifying Receiver 
Bus 001 Device 003: ID 0bda:8179 Realtek Semiconductor Corp. RTL8188EUS 802.11n Wireless Network Adapter 
Bus 001 Device 002: ID 2109:3431 VIA Labs, Inc. Hub 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

rfkill

0: hci0: Bluetooth Soft blocked: no Hard blocked: no 1: phy0: Wireless LAN Soft blocked: no Hard blocked: no 2: phy1: Wireless LAN Soft blocked: no Hard blocked: no

dkms

rtl8821au/5.12.5.2, 6.6.62+rpt-rpi-v8, aarch64: installed

iw

phy#1
        Interface wlan1
                ifindex 4
                wdev 0x100000001
                addr 98:25:4a:d4:e0:67
                ssid TPLink
                type managed
                channel 2 (2417 MHz), width: 20 MHz, center1: 2417 MHz
                txpower 20.00 dBm
                multicast TXQ:
                        qsz-byt qsz-pkt flows   drops   marks   overlmt hashcol tx-bytes        tx-packets
                        0       0       0       0       0       0       0       0               0
phy#0
        Unnamed/non-netdev interface
                wdev 0x2
                addr e6:5f:01:c1:63:a6
                type P2P-device
                txpower 31.00 dBm
        Interface wlan0
                ifindex 3
                wdev 0x1
                addr e4:5f:01:c1:63:a6
                type managed
                channel 140 (5700 MHz), width: 20 MHz, center1: 5700 MHz
                txpower 31.00 dBm

git status

On branch main
Your branch is up to date with 'origin/main'.

nothing to commit, working tree clean

install-driver.sh

: install-driver.sh v20240314
: aarch64 (kernel architecture)
: arm64 (architecture to send to gcc)
: 4/4 (in-use/total processing units)
: 1891124 (total system memory)
: 6.6.62+rpt-rpi-v8 (kernel version)
: gcc-12 (version of gcc used to compile the kernel)
: gcc (Debian 12.2.0-14) 12.2.0
: dkms-3.0.10
: mokutil not installed (Secure Boot status unknown)
: ---------------------------

Checking for previously installed drivers...
Module rtl8821au-5.12.5.2 for kernel 6.6.62+rpt-rpi-v8 (aarch64).
Before uninstall, this module version was ACTIVE on this kernel.

8821au.ko.xz:
 - Uninstallation
   - Deleting from: /lib/modules/6.6.62+rpt-rpi-v8/updates/dkms/
 - Original module
   - No original module was found for this module on this kernel.
   - Use the dkms install command to reinstall any previous module version.
depmod....
Deleting module rtl8821au-5.12.5.2 completely from the DKMS tree.
Removing 8821au.conf from /etc/modprobe.d
Removing source files from /usr/src/rtl8821au-5.12.5.2
Finished checking for and removing previously installed drivers.
: ---------------------------

Starting installation.
Installing 8821au.conf to /etc/modprobe.d
The dkms installation routines are in use.
Copying source files to /usr/src/rtl8821au-5.12.5.2
Creating symlink /var/lib/dkms/rtl8821au/5.12.5.2/source -> /usr/src/rtl8821au-5.12.5.2
The driver was added to dkms successfully.
: ---------------------------

Sign command: /lib/modules/6.6.62+rpt-rpi-v8/build/scripts/sign-file
Signing key: /var/lib/dkms/mok.key
Public certificate (MOK): /var/lib/dkms/mok.pub

Building module:
Cleaning build area...
kernelver=6.6.62+rpt-rpi-v8 ./dkms-make.sh...........................................................
Signing module /var/lib/dkms/rtl8821au/5.12.5.2/build/8821au.ko
Cleaning build area...
The driver was built by dkms successfully.
: ---------------------------

8821au.ko.xz:
Running module version sanity check.
 - Original module
   - No original module exists within this kernel
 - Installation
   - Installing to /lib/modules/6.6.62+rpt-rpi-v8/updates/dkms/
depmod....
The driver was installed by dkms successfully.
: ---------------------------

Info: Update this driver with the following commands as needed:

$ git pull
$ sudo sh install-driver.sh

Note: Updates to this driver SHOULD be performed before distro
      upgrades such as Ubuntu 23.10 to 24.04.
Note: Updates to this driver SHOULD be performed before major
      upgrades such as kernel 6.5 to 6.6.
Note: Updates can be performed as often as you like. It is
      recommended to update at least every 3 months.
Note: Work on this driver, like the Linux kernel, is continuous.

Enjoy!

What happened?

I have installed these drivers on a fresh Pi4 (64bit). All updates are performed according to instructions here. Compile and install ran without errors.

The AC56 device shows up if I run LSUSB, but it does not show up under WLAN devices. I have the onboard Pi4 wifi, and a crappy TPlink dongle in the Pi now and they both show up - see LSUSB output above.

How do I get it to show up as a WLAN device that I can actually use?

Thanks!

Originally created by @Jussi73 on GitHub (Jan 2, 2025). Original GitHub issue: https://github.com/morrownr/8812au-20210820/issues/45 ### Checklist - [X] I am not using this driver from inside a Virtual Machine. - [X] I performed all of the [installation steps](/README.md#installation-steps) as written. - [X] I have read the [FAQ](/FAQ.md) and my question is not answered there. ### Is Secure Boot enabled? No ### uname Linux KodiBox 6.6.62+rpt-rpi-v8 #1 SMP PREEMPT Debian 1:6.6.62-1+rpt1 (2024-11-25) aarch64 GNU/Linux ### lsusb ``` Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 005: ID 0b05:17d2 ASUSTek Computer, Inc. USB-AC56 802.11a/b/g/n/ac Wireless Adapter [Realtek RTL8812AU] Bus 001 Device 004: ID 046d:c52b Logitech, Inc. Unifying Receiver Bus 001 Device 003: ID 0bda:8179 Realtek Semiconductor Corp. RTL8188EUS 802.11n Wireless Network Adapter Bus 001 Device 002: ID 2109:3431 VIA Labs, Inc. Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub ``` ### rfkill 0: hci0: Bluetooth Soft blocked: no Hard blocked: no 1: phy0: Wireless LAN Soft blocked: no Hard blocked: no 2: phy1: Wireless LAN Soft blocked: no Hard blocked: no ### dkms ```text rtl8821au/5.12.5.2, 6.6.62+rpt-rpi-v8, aarch64: installed ``` ### iw ```text phy#1 Interface wlan1 ifindex 4 wdev 0x100000001 addr 98:25:4a:d4:e0:67 ssid TPLink type managed channel 2 (2417 MHz), width: 20 MHz, center1: 2417 MHz txpower 20.00 dBm multicast TXQ: qsz-byt qsz-pkt flows drops marks overlmt hashcol tx-bytes tx-packets 0 0 0 0 0 0 0 0 0 phy#0 Unnamed/non-netdev interface wdev 0x2 addr e6:5f:01:c1:63:a6 type P2P-device txpower 31.00 dBm Interface wlan0 ifindex 3 wdev 0x1 addr e4:5f:01:c1:63:a6 type managed channel 140 (5700 MHz), width: 20 MHz, center1: 5700 MHz txpower 31.00 dBm ``` ### git status ```text On branch main Your branch is up to date with 'origin/main'. nothing to commit, working tree clean ``` ### install-driver.sh ```text : install-driver.sh v20240314 : aarch64 (kernel architecture) : arm64 (architecture to send to gcc) : 4/4 (in-use/total processing units) : 1891124 (total system memory) : 6.6.62+rpt-rpi-v8 (kernel version) : gcc-12 (version of gcc used to compile the kernel) : gcc (Debian 12.2.0-14) 12.2.0 : dkms-3.0.10 : mokutil not installed (Secure Boot status unknown) : --------------------------- Checking for previously installed drivers... Module rtl8821au-5.12.5.2 for kernel 6.6.62+rpt-rpi-v8 (aarch64). Before uninstall, this module version was ACTIVE on this kernel. 8821au.ko.xz: - Uninstallation - Deleting from: /lib/modules/6.6.62+rpt-rpi-v8/updates/dkms/ - Original module - No original module was found for this module on this kernel. - Use the dkms install command to reinstall any previous module version. depmod.... Deleting module rtl8821au-5.12.5.2 completely from the DKMS tree. Removing 8821au.conf from /etc/modprobe.d Removing source files from /usr/src/rtl8821au-5.12.5.2 Finished checking for and removing previously installed drivers. : --------------------------- Starting installation. Installing 8821au.conf to /etc/modprobe.d The dkms installation routines are in use. Copying source files to /usr/src/rtl8821au-5.12.5.2 Creating symlink /var/lib/dkms/rtl8821au/5.12.5.2/source -> /usr/src/rtl8821au-5.12.5.2 The driver was added to dkms successfully. : --------------------------- Sign command: /lib/modules/6.6.62+rpt-rpi-v8/build/scripts/sign-file Signing key: /var/lib/dkms/mok.key Public certificate (MOK): /var/lib/dkms/mok.pub Building module: Cleaning build area... kernelver=6.6.62+rpt-rpi-v8 ./dkms-make.sh........................................................... Signing module /var/lib/dkms/rtl8821au/5.12.5.2/build/8821au.ko Cleaning build area... The driver was built by dkms successfully. : --------------------------- 8821au.ko.xz: Running module version sanity check. - Original module - No original module exists within this kernel - Installation - Installing to /lib/modules/6.6.62+rpt-rpi-v8/updates/dkms/ depmod.... The driver was installed by dkms successfully. : --------------------------- Info: Update this driver with the following commands as needed: $ git pull $ sudo sh install-driver.sh Note: Updates to this driver SHOULD be performed before distro upgrades such as Ubuntu 23.10 to 24.04. Note: Updates to this driver SHOULD be performed before major upgrades such as kernel 6.5 to 6.6. Note: Updates can be performed as often as you like. It is recommended to update at least every 3 months. Note: Work on this driver, like the Linux kernel, is continuous. Enjoy! ``` ### What happened? I have installed these drivers on a fresh Pi4 (64bit). All updates are performed according to instructions here. Compile and install ran without errors. The AC56 device shows up if I run LSUSB, but it does not show up under WLAN devices. I have the onboard Pi4 wifi, and a crappy TPlink dongle in the Pi now and they both show up - see LSUSB output above. How do I get it to show up as a WLAN device that I can actually use? Thanks!
bsakaguchi 2026-10-13 19:33:18 +00:00
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bsakaguchi commented 2026-10-13 19:33:19 +00:00
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@morrownr commented on GitHub (Jan 2, 2025):

Hi @Jussi73

How do I get it to show up as a WLAN device that I can actually use?

Install the correct driver. You have installed the rtl8821au driver. You need the rtl8812au driver:

https://github.com/morrownr/8812au-20210820

<!-- gh-comment-id:2568125195 --> @morrownr commented on GitHub (Jan 2, 2025): Hi @Jussi73 > How do I get it to show up as a WLAN device that I can actually use? Install the correct driver. You have installed the rtl8821au driver. You need the rtl8812au driver: https://github.com/morrownr/8812au-20210820
bsakaguchi commented 2026-10-13 19:33:20 +00:00
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@Jussi73 commented on GitHub (Jan 3, 2025):

Ahh, thank you - sorry for asking a stupid question - had not noticed it was the wrong driver, but makes sense. I will give this a go now and report back.

<!-- gh-comment-id:2568986876 --> @Jussi73 commented on GitHub (Jan 3, 2025): Ahh, thank you - sorry for asking a stupid question - had not noticed it was the wrong driver, but makes sense. I will give this a go now and report back.
bsakaguchi commented 2026-10-13 19:33:20 +00:00
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@Jussi73 commented on GitHub (Jan 3, 2025):

Uninstalled RTL8821au driver using the uninstall script. Ran the process again as outlined above. Adapter is up and running good now. Thanks :-)

I dunno how I got 8821au installed. This was a fresh Pi, and I could have sworn that I ran everything as outlined in the readme, but apparently something went haywire there, but that was a pretty dumb mistake....

Anyway, thank you for answering and thank you for your work. Much appreciated - this solves a network issue I had in the simplest possible way with hardware I had laying around.

Will close this thread - obviously not a bug.

<!-- gh-comment-id:2569018198 --> @Jussi73 commented on GitHub (Jan 3, 2025): Uninstalled RTL8821au driver using the uninstall script. Ran the process again as outlined above. Adapter is up and running good now. Thanks :-) I dunno how I got 8821au installed. This was a fresh Pi, and I could have sworn that I ran everything as outlined in the readme, but apparently something went haywire there, but that was a pretty dumb mistake.... Anyway, thank you for answering and thank you for your work. Much appreciated - this solves a network issue I had in the simplest possible way with hardware I had laying around. Will close this thread - obviously not a bug.
bsakaguchi commented 2026-10-13 19:33:20 +00:00
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@morrownr commented on GitHub (Jan 3, 2025):

FYI: A new in-kernel driver for this chip was added with kernel 6.13. I'd say once are using kernel 6.14 or later, you won't need to find a driver anymore.

<!-- gh-comment-id:2569512172 --> @morrownr commented on GitHub (Jan 3, 2025): FYI: A new in-kernel driver for this chip was added with kernel 6.13. I'd say once are using kernel 6.14 or later, you won't need to find a driver anymore.
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