Operating system: Linux-5.0.0-21-generic-x86_64-with-Ubuntu-19.04-disco 64 Bits
Graphics card: GeForce GTX 1060 6GB/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 430.34
Broken: version: 2.81 (sub 5), branch: master, commit date: 2019-09-02 20:51, hash: rBd74cc6c08c42
Worked: Blender 2.80 official release
Short description of error
Subdivision surface modifier doesn't affect objects.
Nothing changes when adding it, and I can't apply the modifier to the object neither.
Exact steps for others to reproduce the error
Simply add a cube and apply a Subdivision surface modifier to it.
Here is the a simple blend file:
Here is a view of the problem:
It also doesn't affect other meshes like monkey, spheres, ...