Bug#1107194: [s390x] trixie's lsinitramfs fails on initramfs build on bookworm

From	Ben Hutchings <ben@decadent.org.uk>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1107194: [s390x] trixie's lsinitramfs fails on initramfs build on bookworm
Date	2025-06-03 01:10 +0200
Message-ID	<KTms1-7A5L-1@gated-at.bofh.it> (permalink)
References	<KTkgx-7ylL-5@gated-at.bofh.it> <KTkgx-7ylL-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Mon, 2025-06-02 at 22:23 +0200, Paul Gevers wrote:
> Package: initramfs-tools-core
> Version: 0.147
> Severity: normal
> File: /usr/bin/lsinitramfs
> X-Debbugs-Cc: debian-s390@lists.debian.org
> User: debian-s390@lists.debian.org
> Usertags: s390x
> 
> Hi,
> 
> Two days ago, I upgraded the s390x ci.debian.net host from bookworm to
> trixie. The system was already running the kernel from backports, so
> the upgrade was mostly of the userland. That upgrade hasn't been a
> nice experience, because the system failed to boot afterwards. I was
> able to boot the previous kernel eventually, but while trying to
> figure out if the initramfs was somehow missing pieces I tried to run
> lsinitramfs on both the old (current) and new (failing) initramfs, but
> that failed on the old one:
> $ lsinitramfs /boot/initrd.img.old
> cpio: premature end of archive
[...]

Are you quite sure this is actually the old, working, initramfs?  (What
is that a xymlink to?)

The current version of initramfs-tools (0.148.1) has a rewritten
unmkinitramfs and an autopkgtest script for it.  But the implementation
in 0.147 also passes all test cases except those where all component
archives are uncompressed, which is not something initramfs-tools ever
generated.

Does the new implementation of unmkinitramfs work any better on the
working initramfs image?

If not, can you upload the image somewhere for me to inspect?

Ben.

-- 
Ben Hutchings
The two most common things in the universe are hydrogen and stupidity.

Thread

Bug#1107194: [s390x] trixie's lsinitramfs fails on initramfs build on bookworm Paul Gevers <elbrus@debian.org> - 2025-06-02 22:50 +0200
  Processed: Re: Bug#1107194: [s390x] trixie's lsinitramfs fails on  initramfs build on bookworm "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-06-03 01:10 +0200
  Bug#1107194: [s390x] trixie's lsinitramfs fails on initramfs build on bookworm Ben Hutchings <ben@decadent.org.uk> - 2025-06-03 01:10 +0200
    Bug#1107194: [s390x] trixie's lsinitramfs fails on initramfs build on bookworm Paul Gevers <elbrus@debian.org> - 2025-06-03 08:00 +0200
      Bug#1107194: [s390x] trixie's lsinitramfs fails on initramfs build on bookworm Paul Gevers <elbrus@debian.org> - 2025-06-03 08:10 +0200
        Bug#1107194: [s390x] trixie's lsinitramfs fails on initramfs build on bookworm Paul Gevers <elbrus@debian.org> - 2025-06-03 18:50 +0200
          Bug#1107194: [s390x] trixie's lsinitramfs fails on initramfs build on bookworm Ben Hutchings <ben@decadent.org.uk> - 2025-06-09 17:30 +0200
  Processed: Re: Bug#1107194: [s390x] trixie's lsinitramfs fails on  initramfs build on bookworm "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-06-03 08:00 +0200
  Processed: Re: Bug#1107194: [s390x] trixie's lsinitramfs fails on  initramfs build on bookworm "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-06-03 18:50 +0200
  Bug#1107194: marked as done ([s390x] trixie's lsinitramfs fails  on initramfs build on bookworm) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-06-09 17:40 +0200

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