microsoft / microsoft/openvmm

vmm_tests: openhcl pcat vms hang on amd machines

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bug testing
Dominant language
Rust
Stars
1.9k
Forks
238
Avg merge
1d 15h
Merged PRs (30d)
100

Description

OpenHCL PCAT tests are hanging on our AMD test runners. This happens primarily on Windows VMs, where the Windows logo is present along with a pinwheel that keeps spinning, but the VM never boots.

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start in the vmm_tests OpenHCL PCAT test path and reproduce the hang on an AMD runner with a Windows VM. Trace the boot failure from the Windows logo and spinning pinwheel; done means the affected VM boots successfully on AMD and the relevant test passes.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
operating-systems, testing-qa
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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