ComfyUI-ZLUDA doesn't launch after install #1338

Package

ComfyUI-ZLUDA

When did the issue occur?

Running the Package

What GPU / hardware type are you using?

AMD Radeon 7900 XT

What happened?

I am running an AMD Radeon 7900XT on Windows 11. I was able to install and run the regular ComfyUI, but when I attempt to install and launch ComfyUI-ZLUDA I get "RuntimeError: CUDA unknown error"

Console output

Adding extra search path checkpoints C:\Program Files\StabilityMatrix-win-x64\Data\Models\StableDiffusion
Adding extra search path diffusers C:\Program Files\StabilityMatrix-win-x64\Data\Models\Diffusers
Adding extra search path loras C:\Program Files\StabilityMatrix-win-x64\Data\Models\Lora
Adding extra search path loras C:\Program Files\StabilityMatrix-win-x64\Data\Models\LyCORIS
Adding extra search path clip C:\Program Files\StabilityMatrix-win-x64\Data\Models\TextEncoders
Adding extra search path clip_vision C:\Program Files\StabilityMatrix-win-x64\Data\Models\ClipVision
Adding extra search path embeddings C:\Program Files\StabilityMatrix-win-x64\Data\Models\Embeddings
Adding extra search path vae C:\Program Files\StabilityMatrix-win-x64\Data\Models\VAE
Adding extra search path vae_approx C:\Program Files\StabilityMatrix-win-x64\Data\Models\ApproxVAE
Adding extra search path controlnet C:\Program Files\StabilityMatrix-win-x64\Data\Models\ControlNet
Adding extra search path controlnet C:\Program Files\StabilityMatrix-win-x64\Data\Models\T2IAdapter
Adding extra search path gligen C:\Program Files\StabilityMatrix-win-x64\Data\Models\GLIGEN
Adding extra search path upscale_models C:\Program Files\StabilityMatrix-win-x64\Data\Models\ESRGAN
Adding extra search path upscale_models C:\Program Files\StabilityMatrix-win-x64\Data\Models\RealESRGAN
Adding extra search path upscale_models C:\Program Files\StabilityMatrix-win-x64\Data\Models\SwinIR
Adding extra search path hypernetworks C:\Program Files\StabilityMatrix-win-x64\Data\Models\Hypernetwork
Adding extra search path ipadapter C:\Program Files\StabilityMatrix-win-x64\Data\Models\IpAdapter
Adding extra search path ipadapter C:\Program Files\StabilityMatrix-win-x64\Data\Models\IpAdapters15
Adding extra search path ipadapter C:\Program Files\StabilityMatrix-win-x64\Data\Models\IpAdaptersXl
Adding extra search path prompt_expansion C:\Program Files\StabilityMatrix-win-x64\Data\Models\PromptExpansion
Adding extra search path ultralytics C:\Program Files\StabilityMatrix-win-x64\Data\Models\Ultralytics
Adding extra search path ultralytics_bbox C:\Program Files\StabilityMatrix-win-x64\Data\Models\Ultralytics\bbox
Adding extra search path ultralytics_segm C:\Program Files\StabilityMatrix-win-x64\Data\Models\Ultralytics\segm
Adding extra search path sams C:\Program Files\StabilityMatrix-win-x64\Data\Models\Sams
Adding extra search path diffusion_models C:\Program Files\StabilityMatrix-win-x64\Data\Models\DiffusionModels
Warning, you are using an old pytorch version and some ckpt/pt files might be loaded unsafely. Upgrading to 2.4 or above is recommended.
C:\Program Files\StabilityMatrix-win-x64\Data\Packages\ComfyUI-Zluda\venv\lib\site-packages\torch\cuda_init_.py:118: UserWarning: CUDA initialization: CUDA unknown error - this may be due to an incorrectly set up environment, e.g. changing env variable CUDA_VISIBLE_DEVICES after program start. Setting the available devices to be zero. (Triggered internally at ..\c10\cuda\CUDAFunctions.cpp:108.)
return torch._C._cuda_getDeviceCount() > 0
Installed version of comfyui-frontend-package: 1.23.4
Installed version of comfyui-workflow-templates: 0.1.39
Installed version of av: 15.0.0
Installed version of comfyui-embedded-docs: 0.2.4
:: ONNX Runtime not installed — skipping patch.
:: CUDA device detected: None
--------------------------------------------------------

Traceback (most recent call last):
File "C:\Program Files\StabilityMatrix-win-x64\Data\Packages\ComfyUI-Zluda\main.py", line 147, in
import execution
File "C:\Program Files\StabilityMatrix-win-x64\Data\Packages\ComfyUI-Zluda\execution.py", line 15, in
import comfy.model_management
File "C:\Program Files\StabilityMatrix-win-x64\Data\Packages\ComfyUI-Zluda\comfy\model_management.py", line 223, in
total_vram = get_total_memory(get_torch_device()) / (1024 * 1024)
File "C:\Program Files\StabilityMatrix-win-x64\Data\Packages\ComfyUI-Zluda\comfy\model_management.py", line 173, in get_torch_device
return torch.device(torch.cuda.current_device())
File "C:\Program Files\StabilityMatrix-win-x64\Data\Packages\ComfyUI-Zluda\venv\lib\site-packages\torch\cuda_init_.py", line 778, in current_device
lazy_init()
File "C:\Program Files\StabilityMatrix-win-x64\Data\Packages\ComfyUI-Zluda\venv\lib\site-packages\torch\cuda_init.py", line 293, in _lazy_init
torch._C._cuda_init()
RuntimeError: CUDA unknown error - this may be due to an incorrectly set up environment, e.g. changing env variable CUDA_VISIBLE_DEVICES after program start. Setting the available devices to be zero.

Version

2.14.3

What Operating System are you using?

Windows