lllyasviel / lllyasviel/stable-diffusion-webui-forge
xformers is not working on flux model
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- Dominant language
- Python
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Description
torch: 2.4.0+cu124
xformers: 0.0.27.post2
If xformers are enabled when generating images with flux models, TypeError: 'NoneType' object is not iterable error occurs and images are not generated
For other SD models, the image is created normally
To create an image with a flux model, you need to uninstall xformers.
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing Flux image generation with xformers enabled using torch 2.4.0+cu124 and xformers 0.0.27.post2, then inspect the traceback around the NoneType iteration. Done means Flux images generate with xformers enabled while other Stable Diffusion models continue to work.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python, pytorch
- Domain
- machine-learning
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100