This fellow has the same problem , but with an intel card in 12.2 and they also suggest to install drm-kmod from the Ports Collection.

https://forums.freebsd.org/threads/star ... een.77983/

I have an old amd 6450 with kld_list="/boot/modules/radeonkms.ko". I decided to build graphics/drm-fbsd12.0-kmod from ports now for freebsd 12.2. I don't know if the pkg works for kmod, as i haven't tried it in 12.2. Everything looks good. Also I can remember that August image of ghostbsd ...

Hello.. It needs the radeon configuration (radeonkms.ko). I confirmed this as i'm posting from freebsd 12.2 installed from scratch (took me some time though). Imho looks like a xorg auto configuration problem ,as the driver from Ghostbsd booted fine in this November release( white screen with small ...

The older image, that of 8-2020 works without any issue.

Hello to the community Booted from liveusb with selection of the radeon gpu drm driver and everything went smooth so i installed into ssd. System booted from the ssd and it looks like the gpu driver is loaded and i got the white screen (with the message to press i-interactive). After this i supposed...

Maybe try another disto. Freebsd worth the try. A full operating system-super stable and with the right configuration looks beautiful on the desktop !

Hello

This is really great work you guys! But cannot install to the hd cause of amd ahci : CAM STATUS error. I need to edit /boot/device.hints and add some lines in order to stop this error and install. I cannot do this as this is an ISO format and cannot edit anything. Any thoughts on this?