| # Axolotl FAQ's | |
| > The trainer stopped and hasn't progressed in several minutes. | |
| Usually an issue with the GPU's communicating with each other. See the [NCCL doc](../docs/nccl.md) | |
| > Exitcode -9 | |
| This usually happens when you run out of system RAM. | |
| > Exitcode -7 while using deepspeed | |
| Try upgrading deepspeed w: `pip install -U deepspeed` | |
| > AttributeError: 'DummyOptim' object has no attribute 'step' | |
| You may be using deepspeed with single gpu. Please don't set `deepspeed:` in yaml or cli. | |