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Ubuntu 26.04 Containerd 2.2.2 Shim Deadlock Causes Docker VM Crashes

  1. Investigating(current)
  2. Trending(upcoming)
  3. Workaround available(upcoming)
  4. Resolved(upcoming)

Executive summary

Docker VMs are crashing due to a shim deadlock bug present in containerd 2.2.2, which is shipped by default with Ubuntu 26.04.

No verified workaround yet

None of the linked reports describe a mitigation. Follow this incident to hear when one appears.

Technical root cause

Containerd 2.2.2 contains a shim deadlock bug.

Evidence

1 report · 1 BlueskyShow
  1. [1]
    Bluesky First report
    My local LLM diagnosed why my docker VM was crashing.(opens Bluesky post in a new tab)

    My local LLM diagnosed why my docker VM was crashing. Turns out Ubuntu 26.04 ships with containerd 2.2.2 which has a shim deadlock bug. I guess local AI is useless though... 😂 (Q3.8-f-n w/ Hermes)

    by jimsgarage.co.uk 2upvotes 2comments

Timeline

  1. First report on Bluesky post

    My local LLM diagnosed why my docker VM was crashing.

    Source