Public bug reported:

The vmlinuz and initrd files are missing from the Live CD.

According to `dpkg -l linux-image-*`, the package linux-
image-5.3.0-18-generic is installed.

This package should contain vmlinuz-5.3.0-18-generic.

However, /boot/vmlinuz-5.3.0-18-generic does not exist.

The files /boot/vmlinuz and /boot/vmlinuz.old are present, but are
broken symlinks to this file.

Furthermore the files /boot/initrd and /boot/initrd.old are broken
symlinks to the initrd.img-5.3.0-18-generic file.

- - - - - - - - - - - - - - - - - - - - -

ubuntu@ubuntu:/boot$ ls -la
total 5365
drwxr-xr-x 1 root root      60 Nov 25 07:48 .
drwxr-xr-x 1 root root     240 Jan 22 01:02 ..
-rw-r--r-- 1 root root  236454 Oct  8 16:21 config-5.3.0-18-generic
drwxr-xr-x 1 root root      60 Jan 22 01:02 grub
lrwxrwxrwx 1 root root      27 Nov 25 07:43 initrd.img -> 
initrd.img-5.3.0-18-generic
lrwxrwxrwx 1 root root      27 Nov 25 07:43 initrd.img.old -> 
initrd.img-5.3.0-18-generic
-rw-r--r-- 1 root root  182704 Jan 28  2016 memtest86+.bin
-rw-r--r-- 1 root root  184380 Jan 28  2016 memtest86+.elf
-rw-r--r-- 1 root root  184840 Jan 28  2016 memtest86+_multiboot.bin
-rw------- 1 root root 4703701 Oct  8 16:21 System.map-5.3.0-18-generic
lrwxrwxrwx 1 root root      24 Nov 25 07:43 vmlinuz -> vmlinuz-5.3.0-18-generic
lrwxrwxrwx 1 root root      24 Nov 25 07:43 vmlinuz.old -> 
vmlinuz-5.3.0-18-generic

- - - - - - - - - - - - - - - - - - - - -

ubuntu@ubuntu:/boot$ dpkg -l linux-image-*
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name                                  Version       Architecture Description
+++-=====================================-=============-============-============================>
ii  linux-image-5.3.0-18-generic          5.3.0-18.19+1 amd64        Signed 
kernel image generic
ii  linux-image-generic                   5.3.0.18.21   amd64        Generic 
Linux kernel image
un  linux-image-unsigned-5.3.0-18-generic <none>        <none>       (no 
description available)

- - - - - - - - - - - - - - - - - - - - -

ubuntu@ubuntu:/boot$ file vmlinuz*
vmlinuz:     broken symbolic link to vmlinuz-5.3.0-18-generic
vmlinuz.old: broken symbolic link to vmlinuz-5.3.0-18-generic

ubuntu@ubuntu:/boot$ file initrd*
initrd.img:     broken symbolic link to initrd.img-5.3.0-18-generic
initrd.img.old: broken symbolic link to initrd.img-5.3.0-18-generic

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.3.0-18-generic 5.3.0-18.19+1
ProcVersionSignature: Ubuntu 5.3.0-18.19-generic 5.3.1
Uname: Linux 5.3.0-18-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu9
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  ubuntu     4190 F.... pulseaudio
CasperVersion: 1.432
CurrentDesktop: ubuntu:GNOME
Date: Wed Jan 22 01:09:19 2020
IwConfig:
 lo        no wireless extensions.
 
 enp0s3    no wireless extensions.
LiveMediaBuild: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20191125)
Lsusb: Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: innotek GmbH VirtualBox
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcFB: 0 svgadrmfb
ProcKernelCmdLine: file=/cdrom/preseed/username.seed initrd=/casper/initrd 
quiet splash --- maybe-ubiquity
RelatedPackageVersions:
 linux-restricted-modules-5.3.0-18-generic N/A
 linux-backports-modules-5.3.0-18-generic  N/A
 linux-firmware                            1.183.2
RfKill:
 
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/01/2006
dmi.bios.vendor: innotek GmbH
dmi.bios.version: VirtualBox
dmi.board.name: VirtualBox
dmi.board.vendor: Oracle Corporation
dmi.board.version: 1.2
dmi.chassis.type: 1
dmi.chassis.vendor: Oracle Corporation
dmi.modalias: 
dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr:
dmi.product.family: Virtual Machine
dmi.product.name: VirtualBox
dmi.product.version: 1.2
dmi.sys.vendor: innotek GmbH

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug focal

-- 
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https://bugs.launchpad.net/bugs/1860495

Title:
  vmlinuz and initrd are missing in /boot on the Live CD

Status in linux package in Ubuntu:
  New

Bug description:
  The vmlinuz and initrd files are missing from the Live CD.

  According to `dpkg -l linux-image-*`, the package linux-
  image-5.3.0-18-generic is installed.

  This package should contain vmlinuz-5.3.0-18-generic.

  However, /boot/vmlinuz-5.3.0-18-generic does not exist.

  The files /boot/vmlinuz and /boot/vmlinuz.old are present, but are
  broken symlinks to this file.

  Furthermore the files /boot/initrd and /boot/initrd.old are broken
  symlinks to the initrd.img-5.3.0-18-generic file.

  - - - - - - - - - - - - - - - - - - - - -

  ubuntu@ubuntu:/boot$ ls -la
  total 5365
  drwxr-xr-x 1 root root      60 Nov 25 07:48 .
  drwxr-xr-x 1 root root     240 Jan 22 01:02 ..
  -rw-r--r-- 1 root root  236454 Oct  8 16:21 config-5.3.0-18-generic
  drwxr-xr-x 1 root root      60 Jan 22 01:02 grub
  lrwxrwxrwx 1 root root      27 Nov 25 07:43 initrd.img -> 
initrd.img-5.3.0-18-generic
  lrwxrwxrwx 1 root root      27 Nov 25 07:43 initrd.img.old -> 
initrd.img-5.3.0-18-generic
  -rw-r--r-- 1 root root  182704 Jan 28  2016 memtest86+.bin
  -rw-r--r-- 1 root root  184380 Jan 28  2016 memtest86+.elf
  -rw-r--r-- 1 root root  184840 Jan 28  2016 memtest86+_multiboot.bin
  -rw------- 1 root root 4703701 Oct  8 16:21 System.map-5.3.0-18-generic
  lrwxrwxrwx 1 root root      24 Nov 25 07:43 vmlinuz -> 
vmlinuz-5.3.0-18-generic
  lrwxrwxrwx 1 root root      24 Nov 25 07:43 vmlinuz.old -> 
vmlinuz-5.3.0-18-generic

  - - - - - - - - - - - - - - - - - - - - -

  ubuntu@ubuntu:/boot$ dpkg -l linux-image-*
  Desired=Unknown/Install/Remove/Purge/Hold
  | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
  |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
  ||/ Name                                  Version       Architecture 
Description
  
+++-=====================================-=============-============-============================>
  ii  linux-image-5.3.0-18-generic          5.3.0-18.19+1 amd64        Signed 
kernel image generic
  ii  linux-image-generic                   5.3.0.18.21   amd64        Generic 
Linux kernel image
  un  linux-image-unsigned-5.3.0-18-generic <none>        <none>       (no 
description available)

  - - - - - - - - - - - - - - - - - - - - -

  ubuntu@ubuntu:/boot$ file vmlinuz*
  vmlinuz:     broken symbolic link to vmlinuz-5.3.0-18-generic
  vmlinuz.old: broken symbolic link to vmlinuz-5.3.0-18-generic

  ubuntu@ubuntu:/boot$ file initrd*
  initrd.img:     broken symbolic link to initrd.img-5.3.0-18-generic
  initrd.img.old: broken symbolic link to initrd.img-5.3.0-18-generic

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: linux-image-5.3.0-18-generic 5.3.0-18.19+1
  ProcVersionSignature: Ubuntu 5.3.0-18.19-generic 5.3.1
  Uname: Linux 5.3.0-18-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu9
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu     4190 F.... pulseaudio
  CasperVersion: 1.432
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Jan 22 01:09:19 2020
  IwConfig:
   lo        no wireless extensions.
   
   enp0s3    no wireless extensions.
  LiveMediaBuild: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20191125)
  Lsusb: Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  MachineType: innotek GmbH VirtualBox
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 svgadrmfb
  ProcKernelCmdLine: file=/cdrom/preseed/username.seed initrd=/casper/initrd 
quiet splash --- maybe-ubiquity
  RelatedPackageVersions:
   linux-restricted-modules-5.3.0-18-generic N/A
   linux-backports-modules-5.3.0-18-generic  N/A
   linux-firmware                            1.183.2
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/01/2006
  dmi.bios.vendor: innotek GmbH
  dmi.bios.version: VirtualBox
  dmi.board.name: VirtualBox
  dmi.board.vendor: Oracle Corporation
  dmi.board.version: 1.2
  dmi.chassis.type: 1
  dmi.chassis.vendor: Oracle Corporation
  dmi.modalias: 
dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr:
  dmi.product.family: Virtual Machine
  dmi.product.name: VirtualBox
  dmi.product.version: 1.2
  dmi.sys.vendor: innotek GmbH

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