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To the moon! Dogemining with BFGMiner, Debian, and ATI.
submitted by indigodarkwolf to dogeducation [link] [comments]
Visitor from the future! Hello. I'm a newbie digger and recently setup my first dedicated mining box in Debian. I'm not the most experienced Linux user, but the machine had started with Debian Squeeze and I couldn't find its old Windows key. (Also please forgive formatting errors, I'm new to this whole "Reddit" thing as well.)
I found a number of guides to misdirect me on my way, so I decided to write up a sort-of (or at least hopefully up-to-date) guide to create a Dogecoin miner on Debian with AMD cards, using BFGMiner to mine coins.
Expert digging shibes: I would certainly appreciate feedback to improve this guide.
This is not a headless mining guide. I have not reached that level of mastery yet, though I believe it is well within reach. HOWTO
- Start by installing Debian Wheezy. Make sure you install the Desktop Environment package. Not only did I fail to make things work when installing X after the fact, but having the web browser will be convenient.
- Go visit http://support.amd.com/en-us/download and download the appropriate drivers for your card. I have a pair of HD 5870s, ATI pointed me to the Catalyst 13.12 drivers.
- After unpacking the zip, you can directly run the file it contains. In my case, there was only one.
- Reboot the machine to load the new drivers.
- Open a root terminal and run the following command:
aticonfig --adapter=all --initial
- Reboot the machine to restart X with ATI drivers actually in use.
- Open a root terminal and run the following command:
apt-get install autoconf automake build-essential debhelper git libcurl4-gnutls-dev libcurl4-openssl-dev libevent-dev libjansson-dev libmicrohttpd-dev libncurses5-dev libncursesw5-dev libssl-dev libsensors4-dev libtool libudev-dev libusb-1.0-0-dev pkg-config quilt uthash-dev yasm
- Grab the latest source code for BFGMiner. As of March 2014, that's 3.10.0, and can be retrieved with the following:
- Unpack the BFGMiner source into a directory somewhere.
- Open a terminal (shouldn't have to be root), cd to the directory with the BFGMiner source, and run:
./configure --enable-scrypt --enable-opencl
- Once that completes, run:
- You'll see a lot of output from the build, but if everything goes well you should then be able to run ./bfgminer. You can test it by running:
./bfgminer --scrypt -S opencl:auto -o (pool URL here) -u (your worker's username for that pool) -p (your worker's password for that pool). It won't be very fast, however.
- Using your preferred text editor, make a new file in your BFGMiner directory, such as "doge_dig.sh". Add the following:
./bfgminer --scrypt --scrypt -S opencl:auto -o (pool URL here) -u (your worker's username for that pool) -p (your worker's password for that pool)
- In your terminal, chmod 500 doge_dig.sh
- Run ./doge_dig.sh
You can refer to this wiki source
to understand the output from BFGMiner 3.10.0. The one gotcha I've observed is that BFGMiner will happily start off showing hash rates in KHash/sec, and after the first accepted block it will jump to MHashes/sec. When I first saw my hash speed appear to drop from "250" to "0.2", I panicked a little before seeing it had changed its orders of magnitude.
If you think you're still mining slowly, you might need to bump up the intensity for BFGMiner. Higher intensity means more work, and it's possible to create hardware failures if you set it too high. For my HD 5870s, I use an intensity of 12. You can either set the intensity by adding "-I 12" to the ./bfgminer line of doge_dig.sh, or you can adjust the value by pressing M in BFGMiner and working through the menu system from there. Bonus: Multiple cards
What happens if I have multiple ATI cards on one rig, you ask? I had the same problem, and OpenCL would only recognize one of them! It turns out that there's an easy solution, but it costs $1.25 in resistors from your local radio shack: http://www.overclock.net/t/384733/the-30-second-dummy-plug
Plug the finished product from there into your second card. If you have more than two cards, you'll need to make one for every card you want to recognize without a monitor attached to it. Reboot and restart your mining, BFGMiner should recognize all of your cards now.
In theory, the above technique should allow you to run completely headless, as long as you also install SSH and be sure to have your script export DISPLAY=:0 before running BFGMiner. I haven't tried this, though.
Happy mining and welcome to the Moon! I hope this is helpful to someone.
$ aticonfig –od-enable$ aticonfig –odsc, For example. to overclock at 800 for gpu, and 1000 for ram, on chips 0 and 1: $ aticonfig –odsc 800,1000 –adapter 0,1. Tip: Overclocking dual-GPU cards (e.g., ATI 5970) individually: Use –adapter=0,1 for first card, –adapter=2,3 for second card, etc. If using poclbm, can use -d n instead of DISPLAY=:n.n. Tip: To set fanspeed to 80: aticonfig ... Want to overclock or underclock your AMD/ATI GPU on a linux box via SSH? Usually, it'll return "aticonfig: This program must be run as root when no X server is active" or "ERROR - X needs to be running to perform ATI Overdrive(TM) commands" because it's looking for X on your local system. If you run as root and have an AMD card in the local ... Before trying to overclock our GPUs, we must first determine the current frequencies of our cards. This is done with: aticonfig –odgc –adapter=all. We highlighted the values that you should look for - i.e. the frequencies of the GPU processor and Memory. You must increase the values incrementally, by 5-10 Mhz, until you reach the right balance. BIOS switch at "overclocked" position 1; with "aticonfig --odsc=900,1260" to further overclock the GPU to 900 MHz and mem to 1260 MHz, see source: 6990 : 802 -- 915 : 3072 : 2.3 : PCI-E 2.1 x16 : mrb's hdminer : BIOS switch at "overclocked" position 1; with "aticonfig --odsc=915,1260" to further overclock the GPU to 915 MHz and mem to 1260 MHz ... aticonfig --od-gettemperature # shows fan speed aticonfig --pplib-cmd "get fanspeed 0" # sets fan speed to 100% aticonfig --pplib-cmd "set fanspeed 0 100" # show current clockspeeds aticonfig --odgc # overclock core to 900Mhz, memory at 1200Mhz aticonfig --odsc=900,1200. example phoenix miner command line, desktop lag, high CPU usage, ~170 MH/s
         
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