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[GH-ISSUE #11961] When deploying gpt-oss on an offline device, the error "Error: invalid file magic" appears. #33701

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opened 2026-04-22 16:37:17 -05:00 by GiteaMirror · 2 comments
GiteaMirror commented 2026-04-22 16:37:17 -05:00
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Originally created by @ganganngannn on GitHub (Aug 19, 2025).
Original GitHub issue: https://github.com/ollama/ollama/issues/11961

What is the issue?

Download gpt-oss on a device with internet access, run
ollama show
to generate the Modelfile content, transfer the downloaded model file to the offline device, modify the model file name and path, and then run
ollama create gpt-oss-20b -f Modelfile
An error message appears:
"Error: invalid file magic"

Other models do not experience this issue.

Relevant log output

E:\ollama\GPT-oss-20b>ollama create gpt-oss-20b -f Modelfile
gathering model components
copying file sha256:b112e727c6f18875636c56a779790a590d705aec9e1c0eb5a97d51fc2a778583 100%
parsing GGUF
Error: invalid file magic

OS

windows

GPU

A4000

CPU

i9 13900k

Ollama version

0.5.7

Originally created by @ganganngannn on GitHub (Aug 19, 2025). Original GitHub issue: https://github.com/ollama/ollama/issues/11961 ### What is the issue? Download gpt-oss on a device with internet access, run `ollama show` to generate the Modelfile content, transfer the downloaded model file to the offline device, modify the model file name and path, and then run `ollama create gpt-oss-20b -f Modelfile` An error message appears: "Error: invalid file magic" Other models do not experience this issue. ### Relevant log output ```shell E:\ollama\GPT-oss-20b>ollama create gpt-oss-20b -f Modelfile gathering model components copying file sha256:b112e727c6f18875636c56a779790a590d705aec9e1c0eb5a97d51fc2a778583 100% parsing GGUF Error: invalid file magic ``` ### OS windows ### GPU A4000 ### CPU i9 13900k ### Ollama version 0.5.7
GiteaMirror added the bug label 2026-04-22 16:37:17 -05:00
GiteaMirror commented 2026-04-22 16:37:18 -05:00
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@rick-github commented on GitHub (Aug 19, 2025):

gpt-oss is not supported by version 0.5.7 of ollama.

<!-- gh-comment-id:3199958436 --> @rick-github commented on GitHub (Aug 19, 2025): gpt-oss is not supported by version 0.5.7 of ollama.
GiteaMirror commented 2026-04-22 16:37:19 -05:00
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@jmorganca commented on GitHub (Aug 19, 2025):

Thanks @rick-github. @ganganngannn indeed make sure to upgrade to v0.11 😊

<!-- gh-comment-id:3201430026 --> @jmorganca commented on GitHub (Aug 19, 2025): Thanks @rick-github. @ganganngannn indeed make sure to upgrade to v0.11 😊
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