Changes / GitLab / A MacOS Runner is failing jobs
GitLab: Major incident: A MacOS Runner is failing jobs
Summary
Summary pending. The diff below shows exactly what changed.
Major incidentLabel: outage (model (Jev), 92%)Changed Detected Source: status.gitlab.com (opens in new tab)
Incident page: full timeline of updates →
What changed
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After: A MacOS Runner is failing jobs
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After: major
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After: resolved
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After: 2025-11-21 11:56 UTC
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After: 2025-11-21 18:15 UTC
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After: CI/CD, CI/CD - Hosted runners on macOS
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After: We've received reports that jobs that run on a specific macOS GitLab Runner (with the tag `saas-macos-large-m2pro`) have been failing with a “context deadline exceeded” error. We are in the process of investigating. As a workaround, you can switch to other runners. See https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20878 for more details
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After: Investigation is ongoing, and we're reviewing relevant runbooks for additional troubleshooting steps. See https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20878 for more details
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After: No material updates to report. We continue troubleshooting the runner's unavailability. See https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20878 for more details
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After: We continue investigating the root cause. See https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20878 for more details
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After: Latest troubleshooting results point a networking issue preventing connectivity with the affected macOS Runner. Investigation continues at gitlab.com/gitlab-com/gl-infra/production/-/issues/20878.
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After: We continue to troubleshoot network connectivity for the affected Runner, no material updates to report. Follow https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20878 for details.
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After: We have identified a misconfiguration in our Runner infrastructure's routing policies as the potential cause for this issue. Follow https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20878 for details.
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After: No material updates to share. We appreciate your patience while we continue investigating this issue, please see https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20878 for details.
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After: We have identified the configuration causing network disruption with the affected Runner and we are working on fixing it. See https://gitlab.com/gitlab-com/gl-infra/production/-/issues/20878 for details.
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After: We have completed the infrastructure restoration tasks to fix the connectivity issue with the affected Runner. Since 17:51 UTC jobs on this Runner are being processed normally. This is now resolved.
First version of this incident archived by Rewindex. View the live incident (opens in new tab).
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: A MacOS Runner is failing jobs (this change) | Major incident |