# Nvidia-smi freezes/hangs indefinitely

We purchased a Lambdal Quad earlier this summer. It has been working just fine for months, but all of a sudden, yesterday it broke: when we type `nvidia-smi`, it hangs/freezes indefinitely! We also can’t import tensorflow or torch (both of them also hangs indefinitely).

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## Update

After waiting for ...

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# Failed to initialize NVML: Driver/library version mismatch

Hi Stephen, the simple solution worked! Thank you!

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## Failed to initialize NVML: Driver/library version mismatch

Hi,
I’m having this problem in our machine:
**Failed to initialize NVML: Driver/library version mismatch**

Here’s our folder structure:
```bash
anie@arthur1:~$ ls /usr/local | grep cuda
cuda
cuda-8.0
```

Here’s the lib64 for cuda folder:
```bash
anie@arthur1:~$ ls /usr/local/cuda/lib64
libcublas_device.a libcufft.s...
```