[Bug] Qwen image edit /image edit 2509 produce strange images with Vulkan

[evcharger]

Git commit

347710f

Operating System & Version

Ubuntu 24.04

GGML backends

Vulkan

Command-line arguments used

./sd --diffusion-model /home/user/sd.cpp-webui/models/unet/Qwen_Image_Edit-Q8_0.gguf --vae /home/user/sd.cpp-webui/models/vae/Qwen_Image-VAE.safetensors --qwen2vl /home/user/sd.cpp-webui/models/clip/Qwen2.5-VL-7B-Instruct-Q8_0.gguf --cfg-scale 2.5 --sampling-method euler -v --offload-to-cpu --diffusion-fa --flow-shift 3 -r /home/user/qwen_image_edit.png -p "change 'edit.cpp' to 'flux.cpp'" --seed 1118877715456453

Steps to reproduce

I followed the instructions in the Qwen image guide and copied the same command as in the example, with same image and seed.

What you expected to happen

To get the same resulting image as in the example

What actually happened

I get an image with mixed up colours and letters :

Logs / error messages / stack trace

No response

Additional context / environment details

I am using a ryzen APU - GCN 5.0 with Vulkan which works well with all other models - Flux, Flux Kontext and SD

[luboslenco]

I am not sure what is the proper fix, but here is a fix that worked for me in the meantime: luboslenco@c36c0d8.

[leejet]

#980 should be able to fix this issue