package linux-image-6.8.0-55-lowlatency 6.8.0-55.57.1 failed to install/upgrade: run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1

[Iolanda Salvador Alfaiate]

I dont know

ProblemType: Package
DistroRelease: Ubuntu 24.04
Package: linux-image-6.8.0-55-lowlatency 6.8.0-55.57.1
ProcVersionSignature: Ubuntu 6.8.0-1020.24-raspi 6.8.12
Uname: Linux 6.8.0-1020-raspi aarch64
ApportVersion: 2.28.1-0ubuntu3.3
Architecture: arm64
CasperMD5CheckResult: unknown
CloudArchitecture: aarch64
CloudID: none
CloudName: none
CloudPlatform: none
CloudSubPlatform: config
Date: Mon Mar 10 22:13:38 2025
ErrorMessage: run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1
Python3Details: /usr/bin/python3.12, Python 3.12.3, python3-minimal, 3.12.3-0ubuntu2
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.22.6ubuntu6.1
 apt 2.7.14build2
SourcePackage: initramfs-tools
Title: package linux-image-6.8.0-55-lowlatency 6.8.0-55.57.1 failed to install/upgrade: run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Benjamin Drung (bdrung)]

Thank you for taking the time to report this bug and contributing to Ubuntu. The relevant dpkg terminal log says:

/etc/kernel/postinst.d/initramfs-tools:
update-initramfs: Generating /boot/initrd.img-6.8.0-55-lowlatency
Using DTB: bcm2712-rpi-5-b.dtb
Couldn't find DTB bcm2712-rpi-5-b.dtb on the following paths: /etc/flash-kernel/dtbs /usr/lib/linux-image-6.8.0-55-lowlatency /lib/firmware/6.8.0-55-lowlatency/device-tree/
Installing into /boot/dtbs/6.8.0-55-lowlatency/./bcm2712-rpi-5-b.dtb
cp: cannot stat '': No such file or directory
run-parts: /etc/initramfs/post-update.d//flash-kernel exited with return code 1
run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1

The failing /etc/initramfs/post-update.d/flash-kernel comes from flash-kernel.