cilium / cilium/ci-kernels

Current arm64 6.6.79 (6.6) image is faulty

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#73 8 comments 0 reactions 0 assignees View on GitHub

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Dominant language
Shell
Stars
19
Forks
17
Avg merge
1d 21h
Merged PRs (30d)
2

Description

Minimal reproducer:

$ echo "FROM ghcr.io/cilium/ci-kernels:6.6.79" | docker buildx build --platform linux/arm64 --quiet --pull --output="./ci-kernels/arm64/6.6.79/" -
$ qemu-system-aarch64 -nographic  -append "console=ttyAMA0"  -M virt -cpu cortex-a57 -m 4G -kernel ./ci-kernels/arm64/6.6.79/boot/vmlinuz 

If one replace 6.6.79 with 6.6.41 in the above reproducer one can verify that the previous kernel image was working fine.
With the 6.6.79 image qemu-system-aarch64 does not even try to boot the kernel, as far as I can tell.

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the minimal Docker buildx and qemu-system-aarch64 reproducer in the issue, comparing the 6.6.79 image with 6.6.41 on linux/arm64. Investigate why qemu does not attempt to boot the newer kernel; done means the 6.6.79 image boots successfully with the supplied command or the fault is clearly identified.

Written by the indexing model from the issue text.

Assessment

Tech stack
docker, linux, shell
Domain
build-system, operating-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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