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Potential BugUser is reporting a bug. This should be tested.User is reporting a bug. This should be tested.
Description
Custom Node Testing
- I have tried disabling custom nodes and the issue persists (see how to disable custom nodes if you need help)
Expected Behavior
v0.3.45 works fine.
Actual Behavior
ComfyUI master branch fails to start.
Steps to Reproduce
Run python main.py --listen
on a machine with an Intel Arch B580 GPU and IPEX.
Debug Logs
[START] Security scan
Using Python 3.12.3 environment at: venv
[DONE] Security scan
## ComfyUI-Manager: installing dependencies done.
** ComfyUI startup time: 2025-07-23 18:40:15.569
** Platform: Linux
** Python version: 3.12.3 (main, Jun 18 2025, 17:59:45) [GCC 13.3.0]
** Python executable: /app/venv/bin/python3
** ComfyUI Path: /app
** ComfyUI Base Folder Path: /app
** User directory: /app/user
** ComfyUI-Manager config path: /app/user/default/ComfyUI-Manager/config.ini
** Log path: /app/user/comfyui.log
Using Python 3.12.3 environment at: venv
Using Python 3.12.3 environment at: venv
Prestartup times for custom nodes:
0.4 seconds: /app/custom_nodes/comfyui-manager
Checkpoint files will always be loaded safely.
Traceback (most recent call last):
File "/app/main.py", line 138, in <module>
import execution
File "/app/execution.py", line 15, in <module>
import comfy.model_management
File "/app/comfy/model_management.py", line 225, in <module>
total_vram = get_total_memory(get_torch_device()) / (1024 * 1024)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/app/comfy/model_management.py", line 192, in get_total_memory
_, mem_total_xpu = torch.xpu.mem_get_info(dev)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/app/venv/lib/python3.12/site-packages/torch/xpu/memory.py", line 194, in mem_get_info
return torch._C._xpu_getMemoryInfo(device)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
RuntimeError: The device (Intel(R) Arc(TM) B580 Graphics) doesn't support querying the available free memory. You can file an issue at https://github.com/pytorch/pytorch/issues to help us prioritize its implementation.
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Potential BugUser is reporting a bug. This should be tested.User is reporting a bug. This should be tested.