Outage in Blacksmith
Job failures in EU West
Resolved Minor
September 08, 2026 - Started 15 days ago
- Lasted 40 minutes
Incident Report
Summary AI Generated
Between approximately 12:20 and 15:15 UTC, some jobs in Blacksmith's EU West region failed with the GitHub error "The self-hosted runner lost communication with the server," while other regions remained unaffected. The incident lasted around 40 minutes before job failures returned to normal levels. Affected jobs could be safely re-run, and the issue was resolved without requiring user intervention beyond re-triggering failed jobs.
Since approximately 12:20 UTC, some jobs in our eu-west region have been failing with the GitHub error The self-hosted runner lost communication with the server; other regions are unaffected. Affected jobs can be safely re-run while we continue to investigate the underlying cause.
Components affected
Blacksmith Github → API RequestsTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
INVESTIGATING
15 days ago - at 09/08/2026 03:00PM
Since approximately 12:20 UTC, some jobs in our eu-west region have been failing with the GitHub error The self-hosted runner lost communication with the server; other regions are unaffected. Affected jobs can be safely re-run while we continue to investigate the underlying cause.
MONITORING
15 days ago - at 09/08/2026 03:31PM
Between approximately 12:20 and 15:15 UTC, some jobs in our eu-west region failed with the GitHub error The self-hosted runner lost communication with the server; other regions were unaffected. Job failures in eu-west returned to normal levels as of 15:15 UTC, and any affected jobs can be safely re-run while we continue to investigate the underlying cause.
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