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  1. IL-0201 A framework upgrade caused kernel panics in GitHub's Kubernetes infrastructure, and GitHub.com web and API requests, mostly for issues and pull requests, failed intermittently for about 16 hours
    GitHub2025
    Symptoms

    From 18:05 UTC on March 17, 2025, GitHub.com web and API requests failed now and then for a small percentage of users, mostly requests about issues and pull requests. At 18:39 UTC the status page reported degraded performance for Issues.

    High error rateIntermittent timeouts
    Trigger

    A framework upgrade rolled out to GitHub's Kubernetes infrastructure caused kernel panics.

    Root cause
    Breaking change in an upgrade
    Component
    Linux kernel
    Contributing factor
    –
    Detection

    The status page opened the incident at 18:39 UTC, 34 minutes after the failures began, as an investigation of reports of degraded performance for Issues.

    Remediation
    • Downgraded the framework upgrade that caused the kernel panics
    • Disabled the problematic feature of the framework
    Action items
    • Investigate why the upgrade caused the kernel panics
    • Take steps to temporarily prevent the problem from coming back
    • Work out longer-term patch plans
    • Improve observability so that similar classes of problems can be reacted to quickly
    View case
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By root cause1

Breaking change in an upgrade1 case

Component
Linux kernel
Contributing factor
–
Organisation
GitHub
  1. IL-0201 A framework upgrade caused kernel panics in GitHub's Kubernetes infrastructure, and GitHub.com web and API requests, mostly for issues and pull requests, failed intermittently for about 16 hours
    GitHub2025