Importing external memory from GBM to CUDA raises unknown error 999

Accelerated Computing CUDA CUDA Programming and Performance
, ,
1

Importing with cuImportExternalMemory any file descriptor obtained via gbm_bo_get_fd returns error 999.
What am I doing wrong ?

2

You might need to make sure you are properly using a GBM backend provided by NVIDIA.

3

The GBM device is created with gbm_create_device with a file descriptor from /dev/dri/renderD128 which is the only render node on my system and I only have 1 Nvidia GPU.