Hair particles/path trails don't render

Support Particles and Physics Simulations
1

For some reason, path trails PS does not render. I’ve set it on CPU because my GPU currently can’t render it in cycles
psh.blend (1.74 MB)

psh.png1286×730 161 KB

2

Change the particles to hair particles

3

Yes, thanks. But how come they are showing in the viewport without set to hair emmiter?