File 99-nvidia-uvm.rules of Package x11-video-nvidia
# Create uvm device KERNEL=="nvidia_uvm", RUN+="/bin/bash -c '/bin/mknod -m 666 /dev/nvidia-uvm c $(grep nvidia-uvm /proc/devices | cut -d \ -f 1) 0;'"
# Create uvm device KERNEL=="nvidia_uvm", RUN+="/bin/bash -c '/bin/mknod -m 666 /dev/nvidia-uvm c $(grep nvidia-uvm /proc/devices | cut -d \ -f 1) 0;'"