Help running cgminer on Ubuntu 14.04 - waiting for USB hotplug devices, and other errors

I'm a total noob regarding bitcoin mining, I've installed cgminer using apt-get install but I can't get it to work.

I start it with this command:

./cgminer  -o stratum+tcp://www.albamine.net:3333 -u Weblogin.WorkerName -p WorkerPassword

I followed these instructions: (I'm mining for scotcoin.)

Install Ubuntu

Install updates
sudo apt-get update

Install updates for your graphics card

Install misc packages
sudo apt-get install gedit git libcurl4-openssl-dev libncurses5-dev pkg-config automake yasm

Edit grub configuration
sudo gedit /etc/default/grub
Edit GRUB_TIMEOUT=10 to GRUB_TIMEOUT="10" sudo update-grub

Download ATI OpenCL drivers. Untar it and run the script inside.

Reboot.

git clone git://github.com/ckolivas/cgminer

Download the ADL SDK. Unzip it. Copy the include directory into cgminer, and name it ADL_SDK

Check dependencies for cgminer. cd ~/cgminer ./autogen.sh

Create the build script: CFLAGS="-O2 -Wall -march=native -I /opt/AMDAPP/include/" LDFLAGS="-L/opt/AMDAPP/lib/x86_64" ./configure

make

Run using export DISPLAY=:0; export GPU_USE_SYNC_OBJECTS=1; ./cgminer -n

The first few times I tried I got an error that repeatedly said:

KnC spiL Can not open SPI device /dev/spidev1.0: No such file or directory.

NowI'm getting a terminal that looks like this, and I have no idea. I've googled select sections of the code but can't figure out what it's all about. Any suggestions would be gratefully received. Thanks.

enter image description here

Info. Running Ubuntu 14:04 on a System 76 Galago Ultra pro.

EddyTheB

Posted 2014-04-28T21:39:14.213

Reputation: 111

Answers

Your system reports: Intel's new Iris Pro graphics.

As far as ubuntu 13.10 was concerned the package cgminer was compiled for nvidia graphics cards and installed the module for ubuntu.

Consider running a system with dedicated GPU w/ PCIe: e. g. nvidia and ATI and possibly compile cgminer by yourself.

I tried bfgminer for ubuntu now, see here: http://jarco.be/install-bfgminer-ubuntu-mint/

...but cannot get it to work for litecoin scrypt right now...

NOW up and running bfgminer compiled for ubuntu 14.04 with howto from here: https://debianhelp.wordpress.com/2012/01/02/bitcoin-mining-in-ubuntu-with-bfgminer/

with some minor changes:

installed "bitcoin-qt" instead of "bitcoin"
sudo apt-get install uthash-dev
./autogen.sh && ./configure --enable-scrypt --enable-opencl && make
modified ".bfgminer/bfgminer.conf" can be pasted here, if you want -> 880kh/s @ ATI Radeon R9 290X

Leder

Posted 2014-04-28T21:39:14.213

Reputation: 26

Oh I see, it looks like mining for scotcoins might be more involved than I'd expected. I'd hoped it would be the sort of thing I could've done using spare processing power when my laptop isn't busy! Thanks for enlightening me! – EddyTheB – 2014-04-29T18:12:58.300

Furthermore the cgminer versions mentioned on your getting started page are outdated, there is only 4.x available. And these versions do not support GPU mining at all (Con Kolivas writes): Q: What happened to CPU and GPU mining? A: Their efficiency makes them irrelevant in the bitcoin mining world today and the author has no interest in supporting alternative coins that are better mined by these devices. – Leder – 2014-05-01T03:38:26.967

Here is the pastebin instructions in HTML format that you can use to install everything since the web site is no longer hosting that page. http://pastebin.com/S2r9cSeD

– None – 2014-10-10T02:19:11.120