chore: update UKCI kernels

[kxxt]

Automated UKCI kernel update

Summary by CodeRabbit

• Chores
  • Updated the kernel source versions used by the project, including long-term support and newer release candidates.
  • Refreshed source verification data to match the updated kernel versions.

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated
tracexec	Ready	Preview	Sep 7, 2026 1:34pm UTC

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yml

Review profile: CHILL

Plan: Team

Run ID: 47509507-7a0e-4f97-93fb-6f2cd60b7d6d

📥 Commits

Reviewing files that changed from the base of the PR and between c3f95dc and a3ea548.

📒 Files selected for processing (1)

• nix/ukci.nix

Included review availability: Your plan provides up to 2 included reviews per hour; 1 remains after this review.

---

Walkthrough

The Nix CI kernel source entries were updated to newer versions for six kernel series. Each entry also received a matching sha256 hash. Other kernel build settings remain unchanged.

Changes

Kernel source refresh

Layer / File(s)	Summary
Update kernel versions and hashes nix/ukci.nix	The 6.1lts, 6.6lts, 6.12lts, 6.18lts, 7.2, and 7.3 entries now reference newer kernel sources and matching sha256 hashes.

Estimated code review effort: 1 (Trivial) | ~3 minutes

Merge Risk: 🟡 Moderate · up to a3ea5

This refresh updates six UKCI kernel sources, but the 7.3 release-candidate tag appears malformed and may prevent that kernel image from building. Correct the tag before merging.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: updating the UKCI kernel versions.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches 💡 1

🛠️ Fix failing CI checks 💡

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch automation/update-ukci-kernels

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands.}

[greptile-apps]

Greptile Summary

Updates the UKCI matrix to newer patch releases for four LTS kernel lines, Linux 7.2, and the Linux 7.3 release candidate.

• Advances Linux 6.1, 6.6, 6.12, and 6.18 kernel tags and hashes.
• Advances Linux 7.2 to 7.2.3 and Linux 7.3 to v7.3-rc2 while keeping their explicit versions aligned.
• Preserves the existing architecture restrictions and compatibility patches.

Confidence Score: 5/5

The PR appears safe to merge because the updated kernel tag, version, source, and hash fields remain structurally aligned and no concrete regression is evident.

The change consists of internally coherent kernel pin updates while preserving existing target exclusions, compatibility patches, and matrix behavior.

Important Files Changed

Filename	Overview
nix/ukci.nix	Updates six pinned UKCI kernel revisions and corresponding hashes without changing matrix structure, target coverage, or patch application.

_{Reviews (1): Last reviewed commit: "chore: update UKCI kernels" | Re-trigger Greptile}