396.45 and CUDA-9.2 -- cudaGetDeviceCount returned 30

Nvidia driver 396.45 and CUDA 9.2 fail:

~ # /opt/cuda/extras/demo_suite/deviceQuery
/opt/cuda/extras/demo_suite/deviceQuery Starting…

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

cudaGetDeviceCount returned 30
-> unknown error
Result = FAIL

Two threads further down:
https://devtalk.nvidia.com/default/topic/1037521/linux/cuda-broken-in-396-24-02-and-396-24-10-vulkan-beta-drivers-on-linux/