oxidecomputer / oxidecomputer/hubris

Should `Uncontrollable` thermal state be terminal?

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#845 1 comment 0 reactions 0 assignees View on GitHub

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thermal 🚫🔥🚫
Dominant language
Rust
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Description

  10  780        3        1 ControlPwm(0x63)
  11  780        3      242 ControlPwm(0x64)
  12  700        3        1 AutoState(Overheated)
  13  780        3       61 ControlPwm(0x64)
  14  767        3        1 AutoState(Uncontrollable)
  15  562        3        1 PowerModeChanged(0x1)
  16  516        3        1 AutoState(Boot)
  17  660        3        1 AutoState(Running)
  18  780        3      184 ControlPwm(0x0)

It's surprising to me that the system dropped back into Running after powering itself off.

Contributor guide

Open the contributing guide

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 with the event trace in the issue, focusing on AutoState(Uncontrollable) and the subsequent PowerModeChanged, Boot, and Running events. Determine whether Uncontrollable is intended to be terminal and what behavior should follow; done means the intended transition is established and the observed return to Running is resolved.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
embedded-iot, operating-systems
Issue type
Bug
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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