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@youkaichao youkaichao commented Nov 7, 2025

Purpose

Fixes #27405 #27103 #25143 #17392

Test Plan

Manual test and verify, confirm with the cuda driver team.

Test Result


Essential Elements of an Effective PR Description Checklist
  • The purpose of the PR, such as "Fix some issue (link existing issues this PR will resolve)".
  • The test plan, such as providing test command.
  • The test results, such as pasting the results comparison before and after, or e2e results
  • (Optional) The necessary documentation update, such as updating supported_models.md and examples for a new model.
  • (Optional) Release notes update. If your change is user facing, please update the release notes draft in the Google Doc.

…lchain

Signed-off-by: youkaichao <youkaichao@gmail.com>
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mergify bot commented Nov 7, 2025

Documentation preview: https://vllm--28305.org.readthedocs.build/en/28305/

@mergify mergify bot added the documentation Improvements or additions to documentation label Nov 7, 2025
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Code Review

This pull request adds a new section to the troubleshooting documentation to help users resolve the CUDA error: the provided PTX was compiled with an unsupported toolchain. error. The new guide correctly identifies the cause and suggests installing a cuda-compat package as a solution. My review focuses on ensuring the provided example is consistent with the rest of the documentation. I've suggested updating the CUDA version in the example to match the version vLLM is compiled with, as stated elsewhere in the docs, to avoid user confusion.

Signed-off-by: youkaichao <youkaichao@gmail.com>
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Thanks for adding this!

@youkaichao youkaichao merged commit 155ad56 into vllm-project:main Nov 7, 2025
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@youkaichao youkaichao deleted the explain_unsupported_ptx branch November 7, 2025 16:26
ZhengHongming888 pushed a commit to ZhengHongming888/vllm that referenced this pull request Nov 8, 2025
…ed toolchain (vllm-project#28305)

Signed-off-by: youkaichao <youkaichao@gmail.com>
xuebwang-amd pushed a commit to xuebwang-amd/vllm that referenced this pull request Nov 13, 2025
…ed toolchain (vllm-project#28305)

Signed-off-by: youkaichao <youkaichao@gmail.com>
Signed-off-by: xuebwang-amd <xuebwang@amd.com>
devpatelio pushed a commit to SumanthRH/vllm that referenced this pull request Nov 29, 2025
…ed toolchain (vllm-project#28305)

Signed-off-by: youkaichao <youkaichao@gmail.com>
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