# Hex: Critical incident: Kernel Unavailability

**Summary:** Hex reported a critical incident affecting Main site and Single tenant stacks: some users could not acquire kernels or run projects. It started at 2024-08-15 18:32 UTC and lasted 3 h 5 min, resolving at 2024-08-15 21:37 UTC; Hex reported implementing a fix but did not state a cause. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2024-08-15 18:32 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/xkb3d7r2ngyk](https://stspg.io/xkb3d7r2ngyk)
- [Company: Hex](https://rewindex.com/company/hex.md)
- Versions: before (none: first archived) → after incident\_version:67/15lc1x36nhld@942c34d89c18
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Kernel Unavailability
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2024-08-15 18:32 UTC
```

**5. Added: Resolved time**

```diff
+ 2024-08-15 21:37 UTC
```

**6. Added: Affected components**

```diff
+ Main site, Single tenant stacks
```

**7. Added: Update** (investigating) · 2024-08-15 18:32 UTC

```diff
+ We are currently investigating this issue.
```

**8. Added: Update** (investigating) · 2024-08-15 20:15 UTC

```diff
+ Hex is experiencing degraded performance; some users are unable to acquire kernels and run projects. We are actively investigating the root cause and will update as soon as possible on a resolution.
```

**9. Added: Update** (monitoring) · 2024-08-15 20:38 UTC

```diff
+ A fix has been implemented and we are monitoring the results.
```

**10. Added: Update** (resolved) · 2024-08-15 21:37 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2024-08-15 18:32 UTC | Critical incident: Kernel Unavailability (this change) | outage |

All Hex changes: [timeline](https://rewindex.com/company/hex/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/i00fedef1e44964 · Markdown: https://rewindex.com/change/i00fedef1e44964.md · JSON: https://rewindex.com/api/v1/changes/i00fedef1e44964 · Generated 2026-10-18T02:54:41.603Z