RTL8821CE Wireless : lspci on dom0 see it but never worked

User Support Hardware Issues
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Can report some update on this topic:

I managed to get the wifi chip RTL8821CE working under qubes 4.2.0.
Used template debian-12-xfce.
sys-net and sys-usb are separate qubes.

How I did it (what I remember for sure):

  • create standalone qube from debian-12-xfce template
  • used driver from https://github.com/tomaspinho/rtl8821ce (commit f119398d868b1a3395f40c1df2e08b57b2c882cd)
  • blacklisted other driver, by creating file /etc/modprobe.d/blacklist.conf
    with content blacklist rtw88_8821ce

How I did it (what I think I did):

  • sudo dnf-update-ed after some failed attempt to install driver with sudo ./dkms-install.sh

Configs of sys-net-vm:

  • init memory: 800MB
  • not included in memory balancing
  • provides network
  • kernel: provided by qube
  • Mode: HVM
  • devices: Realtek Network controller, Realtek Ethernet controller
  • services: clocksync

Sorry for being to lazy to reproduce the exact recipe. Was a long way to get there (tried with different templates and also with the lwfinger repo) and now I urgently need to get other stuff done.
I am happy if people can reproduce on their machines and let us know!