Problem:CUDA driver version & CUDA runtime version

I install CUDA 8.0 and nvidia-384, My GUP is 1080ti. WHen I run deviceQuery or something else. It comes

./deviceQuery Starting…

CUDA Device Query (Runtime API) version (CUDART static linking)

cudaGetDeviceCount returned 35
-> CUDA driver version is insufficient for CUDA runtime version
Result = FAIL

Any pointers are appreciated. How can i figure out what version should i use?

Oh, the platform is Ubuntu 16.04. And i got same error when i test cudnn.

OK i saw staff mentioned “install the driver properly. This is mentioned in the linux install guide.”

I will try this morning, I install the driver with

sudo add-apt-repository ppa:graphics-drivers/ppa

sudo apt-get update

sudo apt-get install nvidia-384

thats all.