rtw8852be: signature and/or required key missing - tainting kernel

[TroyeJames9]

OS: ubuntu22.04.4 LTS
Kernel version: 5.15.0-101-generic
motherboard：ASUS B760M AYW WIFI D4

• WLAN has been enabled in BIOS settings

• I use the lsmod | grep rtw, the output as follow:

rtw_8852be             16384  0
rtw_8852b             409600  1 rtw_8852be
rtw89pci               81920  1 rtw_8852be
rtw89core             770048  2 rtw89pci,rtw_8852b
mac80211             1249280  2 rtw89pci,rtw89core
cfg80211              974848  3 rtw89core,mac80211,rtw_8852b

• the dmesg.txt is follow:

dmesg_log.txt

The error about rtw8852 in dmesg is as follows:

• The results of mokutil --sb-state are as follows. I have disabled secure boot:

SecureBoot disabled
Platform is in Setup Mode

I'm just one step away from success. Please help me. I'm sorry to bother you.

[TroyeJames9]

I used the following installation tutorial to install it

[lwfinger]

There is a known problem with Ubuntu 22.04. In the rtw89 directory,

git checkout 6dc944
make
sudo make

That should work for you.