ROCm is not supported on some very common consumer GPUs, e.g. the RX 580. Vulkan backends work just fine.

ROCm usually only supports two generations of consumer GPUs, and sometimes the latest generation is slow to gain support. Currently only RDNA 3 and RDNA 4 (RX 7000 and 9000) are supported: https://rocm.docs.amd.com/projects/install-on-linux/en/lates...

It's not ideal. CUDA for comparison still supports Turing (two years older than RDNA 2) and if you drop down one version to CUDA 12 it has some support for Maxwell (~2014).

I purchased my RX 580 in early 2018 and used it through late 2024.

I am critical of AMD for not fully supporting all GPUs based on RNDA1 and RDNA2. While backwards compatibility is always better than less for the consumer, the RX 580 was a lightly-updated RX 480, which came out in 2016. Yes, ROCm technically came out in 2016 as well, but I don't mind acknowledging that it is a different beast to support the GCN architecture than the RDNA/CDNA generations that followed (Vega feels like it is off on an island of its own, and I don't even know what to say about it).

As cool as it would be to repurpose my RX 580, I am not at all surprised that GCN GPUs are not supported for new library versions in 2026.

I would be MUCH more annoyed if I had any RDNA1 GPU, or one of the poorly-supported RDNA2 GPUs.

I have the same experience with my RX 5700. The supported ROCm version is too old to get Ollama running.

Vulkan backend of Ollama works fine for me, but it took one year or two for them to officially support it.

Did it used to be different?

A few years ago I thought I had used the ROCm drivers/libraries with hashcat on a RX580

Now it’s obsolete ?

RX 580 is a GCN 4 GPU. I'm pretty sure the bare minimum for ROCm is GCN 5 (Vega) and up.