Guide: Arch Linux - Headless Amd Opencl Setup & Cgminer From Source

I was trying to setup my mining rig with Arch Linux. Unfortunately it's not quite trivial so here are some notes on how I got it to work:

Add the unofficial catalyst and xorg117 repos. xorg117 is needed because apparently catalyst doesn't work with current xorg. Add the following to /etc/pacman.conf BEFORE the [core] section.

Code:

[catalyst]
Server = http://catalyst.wirephire.com/repo/catalyst/$arch

[xorg117]
Server = http://catalyst.wirephire.com/repo/xorg117/$arch

Import the repo key

Code:

pacman-key -r 653C3094
pacman-key --lsign-key 653C3094

Update your system, install stuff

Code:

pacman -Syu
pacman -S git base-devel ncurses catalyst-hook catalyst-utils catalyst-libgl opencl-catalyst

Enable catalyst hook so drivers are rebuilt on kernel upgrades

Code:

systemctl enable catalyst-hook
systemctl start catalyst-hook

REBOOT -- THIS IS IMPORTANT. You will get kernel crashes and clinfo hangs if you don't.

Check OpenCL detects your GPUs:

Code:

clinfo

you should see all your GPUs, if not something went wrong, try again.

Install AMD ADL SDK from AUR: (if you don't want to use yaourt you can do it manually)

Code:

yaourt -S amd-adl-sdk

Clone cgminer and build it:

Code:

git clone https://github.com/decred/cgminer.git
cd cgminer
chmod +x autogen.sh
cp /usr/include/ADL/*.h ADL_SDK
./autogen.sh --enable-opencl

it should say the following:

Code:

  libcurl(GBT+getwork).: Enabled: -lcurl
  curses.TUI...........: FOUND: -lncurses
  OpenCL...............: FOUND. GPU mining support enabled
  scrypt...............: Disabled
  ADL..................: SDK found, GPU monitoring support enabled

If it doesn't detect OpenCL or ADL something is wrong, you should fix it before proceeding.

If configuring went okay, compile!

Code:

make

You can now check your hashrate

Code:

./cgminer --blake256 --benchmark

From now on, follow the wiki's guide for actually getting cgminer to mine for you: https://wiki.decred.org/GPU_Mining