[GH-ISSUE #1630] anybody know how to fix this? #481

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opened 2026-10-31 22:13:30 +00:00 by bsakaguchi · 0 comments

bsakaguchi commented

2026-10-31 22:13:30 +00:00

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Originally created by @trashkollector on GitHub (Feb 27, 2026).
Original GitHub issue: https://github.com/Comfy-Org/desktop/issues/1630

OCm GPU architecture detection failed despite ROCm being available.

ROCm warp size detection failed despite ROCm being available.

[2026-02-26 22:41:34.456] [error] Could not detect ROCm warp size: [WinError 2] The system cannot find the file specified. Defaulting to 64. (some 4-bit functions may not work!)

[2026-02-26 22:41:34.464] [error] bitsandbytes library load error: Configured ROCm binary not found at D:\apps\ComfyDesktop.venv\Lib\site-packages\bitsandbytes\libbitsandbytes_rocm72.dll
Traceback (most recent call last):
File "D:\apps\ComfyDesktop.venv\Lib\site-packages\bitsandbytes\cextension.py", line 320, in
lib = get_native_library()
^^^^^^^^^^^^^^^^^^^^
File "D:\apps\ComfyDesktop.venv\Lib\site-packages\bitsandbytes\cextension.py", line 288, in get_native_library
raise RuntimeError(f"Configured {BNB_BACKEND} binary not found at {cuda_binary_path}")
RuntimeError: Configured ROCm binary not found at D:\apps\ComfyDesktop.venv\Lib\site-packages\bitsandbytes\libbitsandbytes_rocm72.dll

┆Issue is synchronized with this Notion page by Unito

Originally created by @trashkollector on GitHub (Feb 27, 2026). Original GitHub issue: https://github.com/Comfy-Org/desktop/issues/1630 OCm GPU architecture detection failed despite ROCm being available. ROCm warp size detection failed despite ROCm being available. [2026-02-26 22:41:34.456] [error] Could not detect ROCm warp size: [WinError 2] The system cannot find the file specified. Defaulting to 64. (some 4-bit functions may not work!) [2026-02-26 22:41:34.464] [error] bitsandbytes library load error: Configured ROCm binary not found at D:\apps\ComfyDesktop\.venv\Lib\site-packages\bitsandbytes\libbitsandbytes_rocm72.dll Traceback (most recent call last): File "D:\apps\ComfyDesktop\.venv\Lib\site-packages\bitsandbytes\cextension.py", line 320, in <module> lib = get_native_library() ^^^^^^^^^^^^^^^^^^^^ File "D:\apps\ComfyDesktop\.venv\Lib\site-packages\bitsandbytes\cextension.py", line 288, in get_native_library raise RuntimeError(f"Configured {BNB_BACKEND} binary not found at {cuda_binary_path}") RuntimeError: Configured ROCm binary not found at D:\apps\ComfyDesktop\.venv\Lib\site-packages\bitsandbytes\libbitsandbytes_rocm72.dll ┆Issue is synchronized with this [Notion page](https://www.notion.so/Issue-1630-anybody-know-how-to-fix-this-3146d73d365081dba526d722fc2b2aa6) by [Unito](https://www.unito.io)

bsakaguchi

2026-10-31 22:13:30 +00:00

closed this issue
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bsakaguchi referenced this issue

2026-10-31 22:17:53 +00:00

[PR #481] [MERGED] Add CODEOWNERS #902

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