Kernel updates break nvidia opencl support
Steps to reproduce:
- install the nvidia driver (420 or earlier), opencl-nvidia and ocl-icd.
- reboot.
- check that opencl is enabled : $ clinfo or $ darktable -d opencl
- after a kernel update, check again => opencl is broken.
Wordaround : uninstall nvidia driver, reinstall, reboot.
$ lspci | grep VGA
28:00.0 VGA compatible controller: NVIDIA Corporation GP107 [GeForce GTX 1050] (rev a1)