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Mathieu Benoit d1ac7a94f9 [FIX] a dangling symlink and a complete install look the same
Four packages failed in prepare() on

  Failed to clone 'gl-mod/bootstrap' a second time, aborting

The first diagnosis was DNS, and it was right: the chroot had no resolv.conf.
Copying it made resolution work -- `getent hosts github.com` answers -- and the
clones still failed, now on

  error adding trust anchors from file: /etc/ssl/certs/ca-certificates.crt

Everything needed was already installed: the symlink, the Mozilla trust source,
update-ca-trust, p11-kit's trust. What was missing is that the bundle they
produce is made by an ALPM HOOK, and `pacman --root` does not run hooks. So the
target of that symlink never existed, and a package list cannot tell a dangling
symlink from a working installation.

Generated from our own trust source, not copied from the host, and counted
rather than trusted: update-ca-trust exits 0 on an empty source, and what that
hides is an https failure hours later. 121 certificates; the clone works.

--- FR ---

Quatre paquets ont échoué dans prepare() sur

  Failed to clone 'gl-mod/bootstrap' a second time, aborting

Le premier diagnostic était le DNS, et il était juste : le chroot n'avait pas de
resolv.conf. Le copier a rétabli la résolution — `getent hosts github.com`
répond — et les clones échouaient toujours, désormais sur

  error adding trust anchors from file: /etc/ssl/certs/ca-certificates.crt

Tout le nécessaire était installé : le lien, la source de confiance Mozilla,
update-ca-trust, le trust de p11-kit. Ce qui manquait, c'est que le faisceau
qu'ils produisent est fabriqué par un hook ALPM, et `pacman --root` n'exécute pas
les hooks. La cible du lien n'a donc jamais existé, et une liste de paquets ne
distingue pas un lien mort d'une installation valide.

Généré depuis notre propre source de confiance, non copié de l'hôte, et compté
plutôt que cru : update-ca-trust sort en 0 sur une source vide, et ce que cela
masque est un échec https des heures plus tard. 121 certificats ; le clone passe.

Assisted-by: Claude Opus 5
2026-08-21 19:37:10 -04:00
.github/workflows making the house a home 2026-01-27 23:26:31 +01:00
arch-kernel making the house a home 2026-01-27 23:26:31 +01:00
boot making the house a home 2026-01-27 23:26:31 +01:00
patches [FIX] binutils: delete the option, do not comment it out 2026-08-21 16:53:49 -04:00
scripts [FIX] a dangling symlink and a complete install look the same 2026-08-21 19:37:10 -04:00
.env.example full boot with systemd 2025-06-05 12:32:34 +02:00
.gitignore making the house a home 2026-01-27 23:26:31 +01:00
CODEOWNERS making the house a home 2026-01-27 23:26:31 +01:00
Containerfile making the house a home 2026-01-27 23:26:31 +01:00
LICENSE use arch kernel patches 2025-06-02 21:53:33 +02:00
Makefile making the house a home 2026-01-27 23:26:31 +01:00
README.md making the house a home 2026-01-27 23:26:31 +01:00
TODO.md [FIX] help2man was uninstallable, which stopped the whole pass 2026-08-21 00:33:07 -04:00

Arch Linux s390x

A port of Arch Linux to IBM s390x mainframe architecture with systemd support.

Boots a full Arch Linux system on IBM mainframes (or QEMU s390x emulation) using a hybrid build: cross-compilation for the kernel, native s390x compilation on z/VM for userspace.

Quick Start

make container        # build dev container (first time)
cp .env.example .env  # configure z/VM access
make all              # build kernel + initramfs + systemd
make test-systemd     # boot it

What Works

  • Arch Linux kernel 6.18.6-arch1 with Arch patches, cross-compiled
  • Initramfs via modified mkinitcpio
  • Static busybox built natively on z/VM, 2.3MB
  • Root filesystem with ext4, switch_root to real rootfs
  • Systemd as PID 1

Pacman, bash, and GNU coreutils are not yet ported.

Build System

The build uses two tiers:

Cross-compilation (x86_64 host): Kernel is built in a Fedora 43 container with s390x-linux-gnu-gcc. Initramfs is generated with a patched mkinitcpio that handles cross-architecture binary injection.

Native compilation (s390x z/VM): Busybox and systemd must be built on real s390x hardware. The z/VM system runs RHEL 9.6 with GCC 11.5.0. Scripts handle SSH deployment and retrieval automatically via .env configuration.