Error in require 'cutorch'

[Sharique Shahab]

I am using ubuntu 14.04

CUDA 8.0

result of which nvcc :  

/usr/local/cuda-8.0/bin/nvcc

result of  which th :

/root/torch/install/bin/th

th> require 'cutorch'

THCudaCheck FAIL file=/root/torch/extra/cutorch/lib/THC/THCGeneral.c line=66 error=30 : unknown error

/root/torch/install/share/lua/5.1/trepl/init.lua:389: cuda runtime error (30) : unknown error at /root/torch/extra/cutorch/lib/THC/THCGeneral.c:66

stack traceback:

        [C]: in function 'error'

        /root/torch/install/share/lua/5.1/trepl/init.lua:389: in function 'require'

        [string "_RESULT={require 'cutorch'}"]:1: in main chunk

        [C]: in function 'xpcall'

        /root/torch/install/share/lua/5.1/trepl/init.lua:661: in function 'repl'

        /root/torch/install/lib/luarocks/rocks/trepl/scm-1/bin/th:204: in main chunk

        [C]: at 0x00406670

                                                                      [0.1875s]

please help ! I have to do lots of work in very short time. 

Thankyou