Unable to download Stable Diffusion. Issue with fbgemm.dll module.

[vladyslav-zaichyk]

Description

Blender version 4.2.1 LTS

After installing the latest dream_textures-windows-cuda-4-1.7z release, the downloading of Stable Diffusion is stuck on 0%.
I tried to reinstall the plugin and reinstalling blender itself. The problem persists.

System console output after installing plugin:

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "C:\Program Files\Blender Foundation\Blender 4.2\4.2\python\Lib\multiprocessing\spawn.py", line 122, in spawn_main
    exitcode = _main(fd, parent_sentinel)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Program Files\Blender Foundation\Blender 4.2\4.2\python\Lib\multiprocessing\spawn.py", line 132, in _main
    self = reduction.pickle.load(from_parent)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\Valdemar\AppData\Roaming\Blender Foundation\Blender\4.2\scripts\addons\dream_textures\generator_process\__init__.py", line 3, in <module>
    from .actor import Actor, is_actor_process
  File "C:\Users\Valdemar\AppData\Roaming\Blender Foundation\Blender\4.2\scripts\addons\dream_textures\generator_process\actor.py", line 51, in <module>
    _load_dependencies()
  File "C:\Users\Valdemar\AppData\Roaming\Blender Foundation\Blender\4.2\scripts\addons\dream_textures\generator_process\actor.py", line 46, in _load_dependencies
    _patch_zip_direct_transformers_import()
  File "C:\Users\Valdemar\AppData\Roaming\Blender Foundation\Blender\4.2\scripts\addons\dream_textures\generator_process\actor.py", line 21, in _patch_zip_direct_transformers_import
    from transformers.utils import import_utils
  File "C:\Users\runneradmin\AppData\Local\Temp\pip-target-k9ekwdk7\lib\python\transformers/__init__.py", line 26, in <module>
  File "C:\Users\runneradmin\AppData\Local\Temp\pip-target-k9ekwdk7\lib\python\transformers/dependency_versions_check.py", line 16, in <module>
  File "C:\Users\runneradmin\AppData\Local\Temp\pip-target-k9ekwdk7\lib\python\transformers/utils/__init__.py", line 34, in <module>
  File "C:\Users\runneradmin\AppData\Local\Temp\pip-target-k9ekwdk7\lib\python\transformers/utils/generic.py", line 462, in <module>
  File "C:\Users\Valdemar\AppData\Roaming\Blender Foundation\Blender\4.2\scripts\addons\dream_textures\.python_dependencies\torch\__init__.py", line 148, in <module>
    raise err
OSError: [WinError 126] The specified module could not be found. Error loading "C:\Users\Valdemar\AppData\Roaming\Blender Foundation\Blender\4.2\scripts\addons\dream_textures\.python_dependencies\torch\lib\fbgemm.dll" or one of its dependencies.
Repository data: C:\Users\Valdemar\AppData\Roaming\Blender Foundation\Blender\4.2\extensions\blender_org not found, sync required!

Looks like there is an issue with library fbgemm.dll. It is present in my filesystem:

So I assume there is an issue with some dependencies.

I will try to debug this problem further, just wanted to keep it documented here in case someone encounters this issue too.

Steps to Reproduce

1. Download latest plugin module
2. Install with blender 4.2.1 LTS
3. Click "Download Stable Diffusion"

Expected Behavior

Stable Diffusion should be downloading

Addon Version

Windows (CUDA)

Blender Version

Blender 4.1+

GPU

NVIDIA

[TuxDevelopment]

I just encountered the same issue, the dll that is most likely missing is libomp140.x86_64.dll

I downloaded it from https://www.dllme.com/dll/files/libomp140_x86_64 and put the .dll in the same directory as fbgemm and was able to resolve the issue.

[vladyslav-zaichyk]

@TuxDevelopment thanks! I did the same and the problem was solved.

I also tried to enable developer extras and download dependencies manually, but it did not work. Only the solution above helped.

[github-actions]

This issue is stale because it has been open for 60 days with no activity.