Hi everyone! How to install open driver for ATI Radeon 4850 HD ?
Closed driver from AMD website breaks my system so I need open driver.
Is this gpu too old for the kernel amd gpu driver to support it?
I think I saw elsewhere that this gpu is 12 years old, is that right?
This is handled by Mesa.
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Do I need to install Mesa? I’ve read about open source drivers for ATI and they are included in the Linux kernel. But gnome uses software rendering.
I tried to add radeon.modeset=1 to the kernel parameters but I get a black screen 
When I set the parameter to 0 system works on software rendering.
@gbcox Related to latest Mesa ? What do you think? the GPU is old enough to be radeon / amdgpu
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From what I understand that card was made in 2008 and won’t be supported by amdgpu, so he’ll encounter the radeon issue if trying to use the current mesa version.
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Thank you! But which version should I use?
dnf list --showduplicates mesa* will show what you have installed and those available from the repo. You could then dnf downgrade mesa
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Why do you think this will work?
I believe ( and we are starting to see some traction here ) that the current Mesa 24.1.x is buggy with AMD cards. This particular issue the OP has an older AMD/ATI card, so driver issues as well.
here is at least 1 person (minus errors) wh had a better experience with downgrade of Mesa.
This is a wholly different scenario, but I’m seeing a trend with Mesa 24.1.x and AMD cards. . .
I thought the mesa issue is a regression.
But the OP is reporting no driver support at all not a regression?
Valid point.
Are you on a desktop or a laptop? Are you using the HDMI output?
If you boot with radeon.modeset=1, then unplug and plug your HDMI cable again, does it show anything on the screen?