Comment # 8 on bug 110637 from Alexander Mezin

(In reply to Jan Vesely from comment #6)
> if yes can you confirm if the games hang when running with
> OCL_ICD_VENDORS=/var/empty/ ?
> (alternatively, you can just move libMesaOpenCL.* out of library path)

No, setting OCL_ICD_VENDORS didn't change anything (though I'm not completely
sure that Steam and then Proton don't discard environment variables somewhere).

However, upgrading Mesa to 19.0.4 fixed game hangs. OpenCL issues are still
here.