Post
Topic
Board Mining (Altcoins)
Re: [OS] nvOC easy-to-use Linux Nvidia Mining
by
CryptAtomeTrader44
on 09/03/2019, 15:46:41 UTC
I have a problem from several month with xmr-stak :

When xmr-stak start, i can read theses messages :

Quote
[2019-03-09 16:31:28] : Mining coin: cryptonight_r
[2019-03-09 16:31:28] : NVIDIA: try to load library 'xmrstak_cuda_backend_cuda10_0'
WARNING: NVIDIA cannot load backend library: libxmrstak_cuda_backend_cuda10_0.so: cannot open shared object file: No such file or directory
[2019-03-09 16:31:28] : NVIDIA: try to load library 'xmrstak_cuda_backend_cuda9_2'
WARNING: NVIDIA cannot load backend library: libxmrstak_cuda_backend_cuda9_2.so: cannot open shared object file: No such file or directory
[2019-03-09 16:31:28] : NVIDIA: try to load library 'xmrstak_cuda_backend'
NVIDIA: found 10 potential device's


but when i use nvidia-smi command, i can see that i have CUDA 10.0 :

Quote
nvidia-smi
Sat Mar  9 16:16:40 2019
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 410.66       Driver Version: 410.66       CUDA Version: 10.0     |

and when a i compiled the latest xmr-stak version, i saw that several backend had been compiled :

Quote
[ 70%] Built target xmr-stak-backend
[ 72%] Building NVCC (Device) object CMakeFiles/xmrstak_cuda_backend.dir/xmrstak                                                   /backend/nvidia/nvcc_code/xmrstak_cuda_backend_generated_cuda_extra.cu.o
[ 75%] Building NVCC (Device) object CMakeFiles/xmrstak_cuda_backend.dir/xmrstak                                                   /backend/nvidia/nvcc_code/xmrstak_cuda_backend_generated_cuda_core.cu.o


List of files in my xmr-stak folder :

Quote
:~/NVOC/mining/miners/XMR_Stak/2.10.0$ ll
total 50104
drwxrwxr-x 2 m1   m1       4096 Mar  9 16:26 ./
drwxrwxr-x 9 m1   m1       4096 Mar  9 16:30 ../
-rw-rw-r-- 1 m1   m1       6729 Mar  9 16:22 config.txt
-rw-r--r-- 1 root root    58488 Mar  9 16:21 libxmr-stak-asm.a
-rw-r--r-- 1 root root  2569042 Mar  9 16:21 libxmr-stak-backend.a
-rw-r--r-- 1 root root    74734 Mar  9 16:21 libxmr-stak-c.a
-rwxr-xr-x 1 root root 44997624 Mar  9 16:21 libxmrstak_cuda_backend.so*
-rwxr-xr-x 1 root root  2014400 Mar  9 16:21 libxmrstak_opencl_backend.so*
-rw-rw-r-- 1 m1   m1       4606 Mar  9 16:24 nvidia.txt
-rw-rw-r-- 1 m1   m1       2482 Mar  9 16:24 pools.txt
-rwxr-xr-x 1 root root  1550280 Mar  9 16:21 xmr-stak*


What's the problem on my system that indicate i have not the good CUDA backend ?

How can i  remedy/resolve this problem ?