Outage

Well, That Wasn't Fun: October 16 '26

The Fly Blog · 12h ago

October 16, 2026 began like any other day at Fly.io (meaning, we were anticipating only a medium amount of chaos). By that evening, we had patched and rebooted our entire fleet in response to a Linux kernel bug . The full rollout took 10 hours, but the emotional damage persists…

Read the full story at fly.io ↗

The Brief

On October 16, 2026, Fly.io patched and rebooted its entire fleet in response to a Linux kernel bug.
The full rollout took 10 hours.
The Fly Blog published a retrospective on the incident and response on 2026-11-06.

Why it matters

A fleet-wide kernel patch that requires rebooting every host shows the operational cost and duration such a response can take for an infrastructure provider.

Who’s affected

Fly.io customers

#fly.io
#linux
#kernel
#incident-response
#infrastructure

Timeline

Oct 16
Fly.io patches and reboots its entire fleet in response to a Linux kernel bug
Nov 6 · 12:00 AM
The Fly Blog
Well, That Wasn't Fun: October 16 '26

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