oxidecomputer / oxidecomputer/omicron
fmd going into maintenance blocks sled-agent from working
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Sled Agent
- Dominant language
- Rust
- Stars
- 572
- Forks
- 97
- Avg merge
- 2d 12h
- Merged PRs (30d)
- 96
Description
We have seen fmd going into maintenance causing sled-agent to try and disable it which hangs. Sled-agent then panics and takes down all zones leaving the sled in an unusable state.
May be related to https://github.com/oxidecomputer/omicron/issues/4252
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by tracing how sled-agent handles fmd entering maintenance, then compare the behavior with the related issue #4252. Reproduce the maintenance transition if possible and identify why disabling fmd hangs and leads to a panic; done means the transition no longer blocks sled-agent, panics, or makes zones unusable.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- backend, operating-systems
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Active
- Clarity
- Needs clarification
- Newbie friendliness
- 45/100