rtl8812au Wifi driver not working under linux 5.3.0-26

Bug #1860271 reported by Vibhav Bharti
36
This bug affects 7 people
Affects Status Importance Assigned to Milestone
rtl8812au (Ubuntu)
Confirmed
Undecided
Unassigned

Bug Description

rtl8812au Wifi driver does not seem to work under linux kernel '5.3.0-26-generic' with my Xubuntu 18.04. I have used 'rtl8812au-dkms' driver from the repo and that has failed. I also compiled with dkms and directly with make and they also fail to work.

https://github.com/abperiasamy/rtl8812AU_8821AU_linux
https://github.com/gnab/rtl8812au
https://github.com/aircrack-ng/rtl8812au

I reverted back to '5.0.0-37-generic' and it works okay.

Revision history for this message
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in rtl8812au (Ubuntu):
status: New → Confirmed
Revision history for this message
rjurado (rjurado01) wrote :
Revision history for this message
Vibhav Bharti (bvibhav) wrote :

I think I did try that before. That is where I found aircrack-ng one as well. It didn't work on that kernel for me. So I just reverted to my older one, which was plug 'n' play with my NETGEAR A6100.

Revision history for this message
Antonio Batovanja (toni-toni) wrote :

I have the same problem.
https://github.com/aircrack-ng/rtl8812au works for me - device ID 2357:0101

Revision history for this message
3vi1 (launchpad-net-eternaldusk) wrote :

Still not working under 5.4.0-31 (groovy gorilla alpha) either.

If I remove the rtl8812au-dkms package and build the driver from /usr/src/8812au-4.2.3, that older version works fine. The problem is, that older version needs to be rmmod/modprobed every day or two or certain apps start hanging at specific network operations (logging into EVE Online, for one).

Revision history for this message
3vi1 (launchpad-net-eternaldusk) wrote :

I tested with the 5.6.4.2 driver from the aircrack repo (https://github.com/aircrack-ng/rtl8812au), and that one works with my USB dongle. [yay!]

I did have to re-enter the WPA2 key in network manager in order to reconnect to my wireless, which was odd - but this is the first version newer than 4.2.3 that actually activated the dongle and enabled the USB light on my particular device.

   Bus 001 Device 004: ID 0bda:0811 Realtek Semiconductor Corp. 802.11ac WLAN Adapter
   Device Descriptor:
     bLength 18
     bDescriptorType 1
     bcdUSB 2.10
     bDeviceClass 0
     bDeviceSubClass 0
     bDeviceProtocol 0
     bMaxPacketSize0 64
     idVendor 0x0bda Realtek Semiconductor Corp.
     idProduct 0x0811
     bcdDevice 2.00
     iManufacturer 1 Realtek
     iProduct 2 802.11ac WLAN Adapter

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