Automated Linux kernel builds for Neutron Clang. The build matrix is resolved at runtime from kernel.org, so the repo always tracks the current mainline RC, the current stable release, and every active longterm series.
This repository runs a fan-out Linux kernel build matrix across arm64, arm, and x86_64 using the current Neutron Clang toolchain.
Kernel versions are resolved from kernel.org at runtime, so the active mainline, stable, and longterm series do not need manual pinning.
Neutron Clang:
24.0.0gitTag:06092026Last run: 06 Sep 2026 07:34 UTC
| Kernel | Version | arm64 |
arm |
x86_64 |
|---|---|---|---|---|
| Mainline | 7.3-rc1 |
✅ 33m07s |
✅ 20m57s |
✅ 9m11s |
| Stable | 7.2.3 |
✅ 32m36s |
✅ 21m17s |
✅ 9m51s |
| 6.18 LTS | 6.18.49 |
✅ 36m16s ⚠1 |
✅ 19m18s ⚠1 |
❌ |
| 6.12 LTS | 6.12.108 |
✅ 28m10s ⚠1 |
✅ 17m20s ⚠1 |
✅ 6m30s ⚠1 |
| 6.6 LTS | 6.6.156 |
✅ 22m15s ⚠1 |
✅ 16m22s ⚠1 |
✅ 8m13s ⚠1 |
| 6.1 LTS | 6.1.187 |
✅ 23m45s ⚠2 |
✅ 16m23s ⚠12 |
✅ 6m02s ⚠2 |
| 5.15 LTS | 5.15.220 |
✅ 19m04s ⚠1 |
✅ 14m14s ⚠11 |
✅ 5m01s ⚠3 |
| 5.10 LTS | 5.10.269 |
✅ 17m40s ⚠2 |
✅ 12m38s ⚠11 |
✅ 6m36s ⚠38 |
✅ pass · ❌ fail · ⬜ not run · ⚠N = N compiler warnings · time shown for passing builds
flowchart TD
A[Neutron Clang release] --> B[check-toolchain.yml]
B --> C[build-matrix.yml setup]
C --> D[Resolve kernel.org releases.json]
D --> E[Build matrix includes mainline, stable, and active LTS tracks]
E --> F[Parallel builds on arm64 / arm / x86_64]
F --> G[update-status.py refreshes state, badges, and README]
Mainline rows also capture the current upstream HEAD commit so a failed snapshot can be reproduced more easily later.
| Track | Source | Notes |
|---|---|---|
mainline |
kernel.org moniker: mainline |
Current rc snapshot; result.json stores the current HEAD commit |
stable |
kernel.org moniker: stable |
Current stable release |
lts-* |
kernel.org moniker: longterm |
Active longterm series are discovered dynamically |
check-toolchain.yml polls the clang-build-catalogue every 6 hours and dispatches build-matrix.yml when a new toolchain tag appears.
Use Actions → 🔨 Build Matrix → Run workflow and fill in the inputs:
| Input | Description | Default |
|---|---|---|
toolchain_tag |
Specific Neutron Clang tag, or empty for the latest catalogue entry | latest |
clang_version |
Clang version string for display only | — |
llvm_commit |
LLVM commit URL for display only | — |
kernel_filter |
Limit to one kernel channel, series, or label | all |
arch_filter |
Limit to one architecture | all |
triggered_by |
Label used in the commit message | manual |
curl -X POST \
-H "Authorization: Bearer <GITHUB_TOKEN>" \
-H "Accept: application/vnd.github+json" \
https://api.github.com/repos/Neutron-Projects/linux-kernel-build-tester/actions/workflows/build-matrix.yml/dispatches \
-d '{
"ref": "main",
"inputs": {
"toolchain_tag": "22052026",
"kernel_filter": "all",
"arch_filter": "all",
"triggered_by": "api"
}
}'To force a catalogue refresh:
curl -X POST \
-H "Authorization: Bearer <GITHUB_TOKEN>" \
-H "Accept: application/vnd.github+json" \
https://api.github.com/repos/Neutron-Projects/linux-kernel-build-tester/actions/workflows/check-toolchain.yml/dispatches \
-d '{
"ref": "main",
"inputs": {
"force_build": "true"
}
}'Each build job emits a result.json artifact with:
Artifacts are retained for 90 days. Failure logs are kept for 14 days.
· Kernel versions from kernel.org/releases.json
{ "status": "pass", "arch": "arm64", "kernel_version": "7.1-rc6", "kernel_channel": "mainline", "kernel_label": "Mainline", "kernel_head_commit": "ba3e43a9e601636f5edb54e259a74f96ca3b8fd8", "clang_version": "Neutron Clang 23.0.0git …", "toolchain_tag": "22052026", "duration_seconds": 342, "duration_human": "5m42s", "warnings": 4, "errors": 0, "timestamp_start": "2026-05-22T04:00:01Z", "timestamp_end": "2026-05-22T04:05:43Z", "run_url": "https://github.com/…/actions/runs/…", "exit_code": 0 }