NVIDIA NVML Driver/library version mismatch

Question

When I run nvidia-smi I get the following message:

Failed to initialize NVML: Driver/library version mismatch

An hour ago I receiv

Answer 1

Surprise surprise, rebooting solved the issue (I thought I had already tried that).

The solution Robert Crovella mentioned in the comments may also be useful to someone else, since it's pretty similar to what I did to solve the issue the first time I had it.