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RTX 5090 + MiniMax H3: full-system power-off no longer reproduced after updating the ComfyUI-side stack

I ran into a pretty unusual MiniMax H3 / RTX 5090 failure and managed to freeze the exact workload before changing anything, so I ended up with a fairly clean A/B. Hardware Ryzen 9 9950X3D RTX 5090 ASUS ROG Strix 1200W Platinum Windows 11 What the failure looked like This was not a normal ComfyUI c…

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Timeline · 1 report

  1. 2026-10-07 04:28 · r/comfyui
    RTX 5090 + MiniMax H3: full-system power-off no longer reproduced after updating the ComfyUI-side stack

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