Use this to enable open driver
sudo sh -c 'echo "%_with_kmod_nvidia_open 1" > /etc/rpm/macros.nvidia-kmod'
sudo akmods --kernels $(uname -r) --rebuild
I haven’t enabled fbdev yet in the nvidia-open-kmod package.
The zombie monitor is caused by simpledrm, nvidia fbdev evicts simpledrm.
I neglect the nvidia-open-kmod package 