On a given system we can have the following symlinks
/vmlinuz.old -> boot/vmlinuz-4.15.0-144-lowlatency
/vmlinuz -> boot/vmlinuz-4.15.0-144-generic
/boot/vmlinuz.old -> vmlinuz-4.15.0-144-lowlatency
/boot/vmlinuz -> vmlinuz-4.15.0-144-generic
which is controlled by /etc/kernel-img.conf setting link_in_boot. The
compiled-in default, and the setting that installers set has changed.
Thus depending which release one installed either cases might be
present.
And they should all work.
Testing the proposed patch:
linknames() {
tgt_kernel="$1"
echo old "initrd.img${tgt_kernel#vmlinu?}"
echo new "${tgt_kernel%/*}/initrd.img${tgt_kernel#*vmlinu?}"
}
linknames boot/vmlinuz-5.11
linknames vmlinuz-5.11
produces
old initrd.imgboot/vmlinuz-5.11
new boot/initrd.img-5.11
old initrd.img-5.11
new vmlinuz-5.11/initrd.img-5.11
meaning it fixes the case of link_in_boot = no; but regresses the
link_in_boot = yes case.
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https://bugs.launchpad.net/bugs/1929255
Title:
update-initrd-links creates incorrect symlinks
Status in linux-base package in Ubuntu:
Confirmed
Status in linux-base source package in Bionic:
Confirmed
Bug description:
## Problem description
Executing the `/etc/kernel/postinst.d/xx-update-initrd-links` script
incorrectly detects symbolic links targets and then creates malformed
(hence broken) ones instead:
/initrd.img -> initrd.imgboot/vmlinuz-5.3.0-53-generic
/initrd.img.old -> initrd.imgboot/vmlinuz-5.3.0-53-generic
while it should actually be:
/initrd.img -> boot/initrd.img-5.3.0-53-generic
/initrd.img.old -> boot/initrd.img-5.3.0-53-generic
The problem appeared with the release of the version 4.5ubuntu1.5 of
the linux-base package, which made this script executable.
## Solution
A solution is proposed through the attached patch file.
## System information
Description: Ubuntu 18.04.5 LTS
Release: 18.04
Uname: Linux 5.3.0-53-generic x86_64
## Package information
Package: linux-base 4.5ubuntu1.5
PackageArchitecture: all
SourcePackage: linux-base
Tags: bionic package-from-proposed
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