System Info

System Info

Environment Details:

• trl version: 0.11.1
• transformers version: 4.45.1
• Python version: 3.10.11
• Operating System: Linux 4649c3747948 6.8.0-41-generic #41-Ubuntu SMP PREEMPT_DYNAMIC Fri Aug 2 20:41:06 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
• CUDA version: 12.1 (V12.1.105)

Information

• The official example scripts
• My own modified scripts

Tasks

• An officially supported task in the examples folder
• My own task or dataset (give details below)

:
what is AI?

<meta-llama/Llama-3.2-1B-Instruct>:
:
what is AI?

<meta-llama/Llama-3.2-1B-Instruct>:

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Exception in thread Thread-1 (generate):
Traceback (most recent call last):
File "/home/z004x2xz/local/python3.10/lib/python3.10/threading.py", line 1016, in _bootstrap_inner
self.run()
File "/home/z004x2xz/local/python3.10/lib/python3.10/threading.py", line 953, in run
self._target(*self._args, **self._kwargs)
File "/home/z004x2xz/WorkAssignedByMatt/trl/venvTRL/lib/python3.10/site-packages/torch/utils/_contextlib.py", line 115, in decorate_context
return func(*args, **kwargs)
File "/home/z004x2xz/WorkAssignedByMatt/trl/venvTRL/lib/python3.10/site-packages/transformers/generation/utils.py", line 2048, in generate
result = self._sample(
File "/home/z004x2xz/WorkAssignedByMatt/trl/venvTRL/lib/python3.10/site-packages/transformers/generation/utils.py", line 3044, in _sample
next_tokens = torch.multinomial(probs, num_samples=1).squeeze(1)
RuntimeError: probability tensor contains either inf, nan or element < 0

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### Information

- [X] The official example scripts
- [ ] My own modified scripts

### Tasks

- [X] An officially supported task in the `examples` folder
- [X] My own task or dataset (give details below)

### Reproduction

### Reproduction

1. **Set up the environment**:
   - Install `trl` version `0.11.1` and `transformers` version `4.45.1`.
   - Ensure that Python `3.10.11` and CUDA `12.1` are installed.
   - Use a Linux machine with the specified configuration.

2. **Run the following command**:
   ```bash
   trl chat --model_name_or_path meta-llama/Llama-3.2-1B-Instruct

Expected behavior

Expected behavior

Expected behavior:

• The model should load successfully and allow interaction via the chat interface.

Actual behavior:

• The command throws a validation error regarding the model name format.
• A warning related to the attention mask also appears.
• Here is the output of my terminal