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Radeon graphics card problem



After a long time, I wanted to go back to Funtoo but ran into a graphics issue, had a black screen after installation.
I installed the system on the kernel: gentoo-sources and my own compilation, the second time on debian-sources-lts and zfs sys-kernel / genkernel.
My graphics card: RV635 Radeon HD 3650

I added to 

VIDEO_CARDS = "radeon" # a replacement for 
VIDEO_CARDS = "gfxcard-radeon gallium-r600 radeon"

What am I doing wrong?
Does anyone have a similar graphics card and everything works fine with him

PS Sorry for my English ?


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  • Funtoo Linux Developer

Hi Kris,

Things have changed with Funtoo a bit. Much of the video card documentation is outdated now.

It is no longer necessary to add things to make.conf. Especially VIDEO_CARDS. The proper way to do this is by using Funtoo profiles as documented here:


Its best to have a CLEAN make.conf using Funtoo with the exception of a very few circumstances.


Make sure that you have cleaned out any VIDEO_CARDS settings in make.conf before doing this

So first do this:

epro list

then look for your graphics card in the mix-ins list

then (you said you have radeon) do:

epro mix-ins +gfxcard-radeon


emerge -auDN @world

If one were to have multiple video cards you could add them the same way. Hope this helps. If you have questions or issues feel free to stop by Funtoo discord and ask.

The profile sets all the correct settings for your card so no need to mess with that now. ?


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Until logging in, the system works OK, while logging in SDDM, it shows the entered user data and password slowly, with a delay, a black screen appears for a second and the login screen is back.
I think it might have something to do with X.
I installed xorg-x11 and x11-drivers / xf86-video-ati-19.1.0-r1

* Messages for package x11-drivers/xf86-video-ati-19.1.0-r1:

 *   CONFIG_FB_RADEON:   should not be set. But it is.
 * Please check to make sure these options are set correctly.
 * Failure to do so may cause unexpected problems.
>>> Auto-cleaning packages...

grep CONFIG_FB_RADEON /usr/src/linux/.config

I'm trying to remove this module

find /lib/modules/5.9.6_p1-debian-sources/kernel/drivers/video/fbdev/ -type f -iname '*.o' -or -iname '*.ko'

rmmod radeonfb.ko
rmmod: ERROR: Module radeonfb is not currently loaded

My question is, could this module be a problem or something else?

My var/log

(EE) Unable to find a valid framebuffer device
(EE) Screen 0 deleted because of no matching config section.
(EE) open /dev/dri/card0: No such file or directory


SDDM log

Edited by kris
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i have an AMD machine with a radeon card, on that machine i have to enable the amdgpu card and the radeon card in the profiles. Add them both to your profile, ego sync and and emerge -auDN @world

make sure the /etc/conf.d/xdm is set to reflect sddm ... i am using gnome-light, so after running

/etc/init.d/xdm start as root, made sure you have dbus, elogind and xdm added to the rc start up.
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