When your cuda installation stops working (on DEBIAN)¶
There can be many signs for this error:
deviceQuery
returns:
cudaGetDeviceCount returned 38-> no CUDA-capable device is detected
or you get:
no CUDA-capable device is detected
In my case it was version mismatch between installed nvidia
kernel module
and libcuda1
library.
Note
Normally this module is installed via DKMS
so kernel module version
should match version of nvidia-kernel-dkms
, but this is not always
the case…
To check version of installed kernell module:
sudo modinfo nvidia-current | grep version
For now it should be 319.xxx
. If it has version mismatch libcuda1
you have source of your errors (yay!).