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StableDiffusion inpainting fails after driver update, users report channel mismatch

Users of the StableDiffusion inpainting feature are encountering a RuntimeError after updating their NVIDIA drivers and related software. The error, which occurs when attempting to use inpainting checkpoints, suggests a mismatch in the expected number of input channels for the UNet model. While non-inpainting models still function, they produce poor results for inpainting tasks. The issue appears to be related to how the Forge Neo version of StableDiffusion handles the input data for inpainting, specifically the latent and masked latent channels. AI

IMPACT Potential disruption for users relying on StableDiffusion's inpainting capabilities.

RANK_REASON User-reported issue with a specific software feature after an update.

Read on r/StableDiffusion →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

StableDiffusion inpainting fails after driver update, users report channel mismatch

COVERAGE [1]

  1. r/StableDiffusion TIER_2 English(EN) · /u/DiamondBack43 ·

    All of my inpainting checkpoints are now throwing RuntimeError

    <!-- SC_OFF --><div class="md"><p>Forge Neo 2.27</p> <p>Python 3.13.13</p> <p>PyTorch 2.13.0+cu130</p> <p>The only thing that changed was that I updated the drivers on my GeForce RTX 5080 (610.88). Now, whenever I try to inpaint in Forge Neo I get:</p> <p>RuntimeError: Given grou…