*** This bug is a duplicate of bug 2167996 ***
https://bugs.launchpad.net/bugs/2167996
Public bug reported:
I run an upgrade from the latest u24.04.5 to u26.04.1 on a Raspi 4B with
4GB RAM, OS on sdcard
and hit this failure and pressed 'S'
Processing triggers for libvlc-bin:arm64 (3.0.23-1) ...
Processing triggers for flash-kernel (3.110ubuntu2.3) ...
flash-kernel: requested kernel 7.0.0-1020-raspi is in state triggers-pending.
flash-kernel: quitting cleanly, anticipating a future run
Processing triggers for linux-image-7.0.0-1020-raspi (7.0.0-1020.20) ...
/etc/kernel/postinst.d/initramfs-tools:
update-initramfs: Generating /boot/initrd.img-7.0.0-1020-raspi
flash-kernel: deferring update (trigger activated)
/etc/kernel/postinst.d/zz-flash-kernel:
flash-kernel: deferring update (trigger activated)
Processing triggers for libgdk-pixbuf-2.0-0:arm64 (2.44.5+dfsg-4ubuntu1) ...
Processing triggers for sgml-base (1.31+nmu1build1) ...
Processing triggers for initramfs-tools (0.151ubuntu1) ...
update-initramfs: Generating /boot/initrd.img-7.0.0-1020-raspi
Unsupported platform 'Raspberry Pi 4 Model B Rev 1.1'.
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
ERROR: Cannot create report: [Errno 17] File exists:
'/var/crash/initramfs-tools.0.crash'
needrestart is being skipped since dpkg has failed
packages have been installed but needrestart is suspended
Exception during pm.DoInstall(): E:Sub-process /usr/bin/dpkg returned an
error code (1)
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BTW the same happend on a Raspi 5 8GB (same OS start level, same OS target
level)
ProblemType: Package
DistroRelease: Ubuntu 26.04
Package: initramfs-tools 0.151ubuntu1
ProcVersionSignature: Ubuntu 6.8.0-1065.69-raspi 6.8.12
Uname: Linux 6.8.0-1065-raspi aarch64
ApportVersion: 2.34.1-0ubuntu0.1
Architecture: arm64
CasperMD5CheckResult: unknown
CloudArchitecture: aarch64
CloudBuildName: server
CloudID: nocloud
CloudName: unknown
CloudPlatform: nocloud
CloudSerial:
CloudSubPlatform: config-disk (/dev/mmcblk0p1)
Date: Sat Oct 17 19:55:10 2026
ErrorMessage: old initramfs-tools package postinst maintainer script subprocess
failed with exit status 1
ImageMediaBuild: 20210201.1
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: old
initramfs-tools package postinst maintainer script subprocess failed with exit
status 1
UpgradeStatus: Upgraded to resolute on 2026-10-17 (0 days ago)
** Affects: initramfs-tools (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-package arm64 arm64-image cloud-image raspi-image resolute
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https://bugs.launchpad.net/bugs/2171303
Title:
package initramfs-tools 0.151ubuntu1 failed to install/upgrade: old
initramfs-tools package postinst maintainer script subprocess failed
with exit status 1
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