[Bug 2150200] Re: package initramfs-tools 0.151ubuntu1 failed to install/upgrade: »altes postinst-Betreuerskript des Paketes initramfs-tools«-Unterprozess mit Exit-Status 1 fehlgeschlagen

[Sb]

Same error on a Raspberry Pi 4

```
Setting up initramfs-tools (0.151ubuntu1) ...
update-initramfs: deferring update (trigger activated)
Setting up flash-kernel (3.110ubuntu2) ...
flash-kernel: deferring update (trigger activated)
Processing triggers for initramfs-tools (0.151ubuntu1) ...
update-initramfs: Generating /boot/initrd.img-7.0.0-1009-raspi
Unsupported platform 'Raspberry Pi 4 Model B Rev 1.5'.
run-parts: /etc/initramfs/post-update.d//flash-kernel exited with return code 1
dpkg: error processing package initramfs-tools (--configure):
 old initramfs-tools package postinst maintainer script subprocess failed with exit status 1
Errors were encountered while processing:
 initramfs-tools

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Title:
  package initramfs-tools 0.151ubuntu1 failed to install/upgrade: »altes
  postinst-Betreuerskript des Paketes initramfs-tools«-Unterprozess mit
  Exit-Status 1 fehlgeschlagen

Status in flash-kernel package in Ubuntu:
  Confirmed

Bug description:
  the error appeared while upgrading ubuntu 25.10 to 26.04 on a
  raspberry pi 5 using

  do-release-upgrade -d

  ProblemType: Package
  DistroRelease: Ubuntu 26.04
  Package: initramfs-tools 0.151ubuntu1
  ProcVersionSignature: Ubuntu 6.14.0-1015.15-raspi 6.14.11
  Uname: Linux 6.14.0-1015-raspi aarch64
  NonfreeKernelModules: zfs
  ApportVersion: 2.34.0-0ubuntu2
  Architecture: arm64
  CasperMD5CheckResult: unknown
  Date: Fri Apr 24 10:28:26 2026
  ErrorMessage: »altes postinst-Betreuerskript des Paketes initramfs-tools«-Unterprozess mit Exit-Status 1 fehlgeschlagen
  PackageArchitecture: all
  Python3Details: /usr/bin/python3.14, Python 3.14.4, python3-minimal, 3.14.3-0ubuntu2
  PythonDetails: N/A
  RebootRequiredPkgs: Error: path contained symlinks.
  RelatedPackageVersions:
   dpkg 1.23.7ubuntu1
   apt  3.2.0
  SourcePackage: initramfs-tools
  Title: package initramfs-tools 0.151ubuntu1 failed to install/upgrade: »altes postinst-Betreuerskript des Paketes initramfs-tools«-Unterprozess mit Exit-Status 1 fehlgeschlagen
  UpgradeStatus: Upgraded to resolute on 2026-04-24 (0 days ago)

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