Ethernet driver not working (Realtek r8125 2.5Gbit)

I am so happy to report that I have found a solution to my problem. One solution was to install qubes with a kernel newer than 5.6. The solution outlined in this forum post does not require you to build a qubes ISO from scratch and can be accomplished in about half an hour.

https://www.asty.org/qubes-os-is-incredible-heres-some-tips-and-quick-hacks-for-it/

A few notes from me: The very last command that is needed to be exucuted is “rpm -ivh –nodeps *” - note that the second “-” is actually two “–” and not just one, it’s a subtle difference that cost me some time.

Also, the writter says that you can just reboot and things will work, this is not the case for me - In the boot menu before qubes boots up, choose the advanced boot option. By choosing advanced you can pick the Kernel of your choice.

This solution has been tested with 4.0 and 4.1 for kernels 5.6 and 5.8 - both work.

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