I tried it too and even kernel from experimental with no luck
Στις Τρίτη, 10 Μαρτίου 2020, ο χρήστης Dimitris P <qiutets1@gmail.com> έγραψε:I m getting (EE)Fatal server error:(EE) Cannot run in framebuffer mode. Please specify busIDs for all framebuffer devices
Στις Κυριακή, 8 Μαρτίου 2020, ο χρήστης Dimitris P <qiutets1@gmail.com> έγραψε:Hello all today I got my new pc that includes AMD Ryzen 3 3200G and has Radeon Vega 8 Graphics, there is no other GPU. I have install debian through netistall and upgrade it to debian testing. I have installed the firmware-amd-graphics and when I am booting I am getting a black login prompt and not the gnome. Here are my 2 pastes from dmesg and /var/log/X.org.0.logThank you and hope to have a solution