File 60-nvidia-uvm.rules of Package xorg-x11-drv-nvidia-390xx

KERNEL=="nvidia_uvm", RUN+="/usr/bin/bash -c '/usr/bin/mknod -m 666 /dev/nvidia-uvm c $(grep nvidia-uvm /proc/devices | cut -d \  -f 1) 0'"
KERNEL=="nvidia_uvm", RUN+="/usr/bin/bash -c '/usr/bin/mknod -m 666 /dev/nvidia-uvm-tools c $(grep nvidia-uvm /proc/devices | cut -d \  -f 1) 1'"