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c630/docs
rob thijssen a9f18c9951
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build image / build (push) Failing after 44m21s
Cut ~60 minutes of emulated work out of the build
The first real run took 100 minutes. Roughly 60 of those were spent doing
things that either did not need doing or did not need doing under emulation.

dracut ran three times. The kernel's %posttrans runs kernel-install, which
builds an initramfs, and dracut-config-rescue makes it build a second, rescue
one — both before this build has written /etc/dracut.conf.d/10-c630.conf and
before /proc is bind-mounted, so both are wrong as well as expensive. stage2
then builds the real one. Setting initrd_generator=none in the install root for
the duration of the transaction suppresses both: 50-dracut.install and
51-dracut-rescue.install each bail when KERNEL_INSTALL_INITRD_GENERATOR is not
"dracut". Excluding dracut-config-rescue also spares the laptop a rescue
initramfs on every future kernel update, which on this hardware is not cheap.

That file must not ship. With it in place the machine would boot fine and then
fail to come back after its next kernel update — a bug that surfaces weeks
later looking nothing like an image problem. It is removed from the working
copy, and asserted absent again immediately before the root filesystem is
built.

Compression was running as an aarch64 binary under qemu-user for no reason;
zstd does not care what architecture it runs on. It now runs on the host when
the host has zstd, falling back to in-container otherwise so the build never
depends on it. Measured ~20 minutes against ~2.

Add BASE_RECIPE to the staged-base stamp. Excluding a weak dependency changes
what the base contains without changing the package list it hashes, so without
this the next build would happily reuse a stale base.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01XWRjNJMistCy6ngXH5aJLS
2026-07-27 14:12:19 +03:00
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