I have since invested in a couple of RX 580's and trying to get them to work.
The operating system on that machine, Fedora 27, appears to be too new for these endeavours.
For example, I just tried to install the 15.12, and it gives:
error: Detected X Server version 'XServer 1.19.5_64a' is not supported. Supported versions are X.Org 6.9 or later, up to XServer 1.10 (default:v2:x86_64:lib:XServer 1.19.5_64a:none:4.9.9-200.fc25.x86_64:)
Installation will not proceed.
Whereas the newest driver, the amdpro-gpu 17.50 , is the only AMD driver that will install without problems; and even for that to work, I had to go back to the kernel of February 2017.
For a short while yesterday I got the Claymore miner to work. But after a reboot, it started saying that:
./ethdcrminer64: /lib64/libcurl.so.4: no version information available (required by ./ethdcrminer64)
� Claymore's Dual ETH + DCR/SC/LBC/PASC GPU Miner v10.2 �
ETH: 1 pool is specified
AMD OpenCL platform not found
No NVIDIA CUDA GPUs detected.
No AMD OPENCL or NVIDIA CUDA GPUs found, exit
I have tried most software that AMD offers, including 3 versions of the AMD APP SDK, and about four versions of the display drivers. What I got to work yesterday for a short while, I cannot seem to duplicate again.
Most frustrating.
Regards,
-turgut
For the RX 580s, ignore everything in my previous post. That was for your efforts with the 6870, since the older drivers suited to that line of GPUs had the APP SDK as a separate download, so you always had to hunt for good driver/SDK combinations.
Have you tried reinstalling Fedora with the cards installed?