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Pin 6.1 kernel buildkite agents to previous kernel version.

Reason

Latest 6.1 kernel includes a bug that causes our network device to experience failed writes in the TAP device.

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PR Checklist

  • If a specific issue led to this PR, this PR closes the issue.
  • The description of changes is clear and encompassing.
  • Any required documentation changes (code and docs) are included in this
    PR.
  • API changes follow the Runbook for Firecracker API changes.
  • User-facing changes are mentioned in CHANGELOG.md.
  • All added/changed functionality is tested.
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  • This functionality cannot be added in rust-vmm.

roypat
roypat previously approved these changes Sep 10, 2024
Latest 6.1 introduced a regression in the parsing of VirtIO headers for
the network device. This causes failures in the TX path, where
Firecracker fails to write network frames in the TAP device.

Pin the buildkite agents with 6.1 kernel to the latest known good
version.

Signed-off-by: Babis Chalios <[email protected]>
@bchalios bchalios marked this pull request as ready for review September 10, 2024 10:52
@bchalios bchalios added the Status: Awaiting review Indicates that a pull request is ready to be reviewed label Sep 10, 2024
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codecov bot commented Sep 10, 2024

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.31%. Comparing base (87a03c7) to head (3deed47).
Report is 1 commits behind head on main.

Additional details and impacted files
@@           Coverage Diff           @@
##             main    #4794   +/-   ##
=======================================
  Coverage   84.31%   84.31%           
=======================================
  Files         249      249           
  Lines       27522    27522           
=======================================
  Hits        23206    23206           
  Misses       4316     4316           
Flag Coverage Δ
5.10-c5n.metal 84.54% <ø> (ø)
5.10-m5n.metal 84.52% <ø> (ø)
5.10-m6a.metal 83.81% <ø> (-0.01%) ⬇️
5.10-m6g.metal 80.89% <ø> (ø)
5.10-m6i.metal 84.51% <ø> (-0.01%) ⬇️
5.10-m7g.metal 80.89% <ø> (ø)
6.1-c5n.metal 84.54% <ø> (ø)
6.1-m5n.metal 84.52% <ø> (-0.01%) ⬇️
6.1-m6a.metal 83.81% <ø> (ø)
6.1-m6g.metal 80.89% <ø> (ø)
6.1-m6i.metal 84.51% <ø> (ø)
6.1-m7g.metal 80.88% <ø> (-0.01%) ⬇️

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@roypat roypat merged commit 17998c0 into firecracker-microvm:main Sep 10, 2024
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3 participants