Bug#1125948: dracut: Missing dependency on cpio (?)

From	Santiago Vila <sanvila@debian.org>
Newsgroups	linux.debian.bugs.rc
Subject	Bug#1125948: dracut: Missing dependency on cpio (?)
Date	2026-01-19 13:10 +0100
Message-ID	<MeWeZ-bHrV-1@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Package: dracut
Version: 109-7
Tags: forky sid
Severity: serious
Control: affects -1 src:linux-signed-amd64

Dear maintainer:

During a rebuild of all packages in unstable, package src:linux-signed-amd64
failed to build with this error message:

/usr/bin/dracut: line 2772: cpio: command not found

So it seems as if dracut had a missing dependency on cpio. Or maybe it fails
to detect that 3cpio is installed instead and keeps using cpio anyway. Or maybe
3cpio should provide cpio and use the alternatives mechanism so that /usr/bin/cpio
exists and may be used. This is why I've put "?" in the subject. Please use
reassign if appropriate.

The error does not always happen, which is strange, but it happens often enough
to consider the issue as RC. I've put a bunch of failed build logs
here (for linux-signed-amd64) for reference:

https://people.debian.org/~sanvila/build-logs/202601/

As always, if you cannot reproduce the bug please contact me privately, as I
am willing to provide ssh access to a virtual machine where this randomness
is reproducible.

Thanks.

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Thread

Bug#1125948: dracut: Missing dependency on cpio (?) Santiago Vila <sanvila@debian.org> - 2026-01-19 13:10 +0100
  Bug#1125948: dracut: Missing dependency on cpio (?) Paul Gevers <elbrus@debian.org> - 2026-01-23 20:30 +0100
    Bug#1125948: dracut: Missing dependency on cpio (?) Adrian Bunk <bunk@debian.org> - 2026-01-23 22:00 +0100
  Processed: Re: Bug#1125948: dracut: Missing dependency on cpio (?) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-01-23 21:50 +0100
  Processed: Re: Bug#1125948: dracut: Missing dependency on cpio (?) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-01-24 11:00 +0100
  Bug#1126301: 3cpio: something wrong with it (?) Santiago Vila <sanvila@debian.org> - 2026-01-24 14:50 +0100
  Bug#1125948: dracut: fails to detect 3cpio Benjamin Drung <bdrung@debian.org> - 2026-01-24 17:00 +0100
  Bug#1125948: dracut: fails to detect 3cpio Benjamin Drung <bdrung@debian.org> - 2026-01-24 18:00 +0100

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