Comment 21 for bug 1978333

# BIONIC - Proposed testing
----------

# enable proposed repo
cat <<EOF >/etc/apt/sources.list.d/ubuntu-$(lsb_release -cs)-proposed.list
# Enable Ubuntu proposed archive
deb http://archive.ubuntu.com/ubuntu/ $(lsb_release -cs)-proposed restricted main multiverse universe
EOF

sudo apt-get install kdump-tools

# ensure propose is selected
Get:8 http://archive.ubuntu.com/ubuntu bionic-proposed/main amd64 kdump-tools amd64 1:1.6.5-1ubuntu1~18.04.7 [23.6 kB]

Version tested
# dpkg -l | grep kdump
1:1.6.5-1ubuntu1~18.04.7

# say yes to all questions

# edit kernel crash params due to this LP[1]
vim /etc/default/grub.d/kdump-tools.cfg

change 192MB to 512MB

save & exit

update-grub

# reboot VM
sudo reboot

root@bionic-proposed:/home/ubuntu# ls
root@bionic-proposed:/home/ubuntu# kdump-config show
DUMP_MODE: kdump
USE_KDUMP: 1
KDUMP_SYSCTL: kernel.panic_on_oops=1
KDUMP_COREDIR: /var/crash
crashkernel addr: 0xd000000
   /var/lib/kdump/vmlinuz: symbolic link to /boot/vmlinuz-5.4.0-1086-azure
kdump initrd:
   /var/lib/kdump/initrd.img: symbolic link to /var/lib/kdump/initrd.img-5.4.0-1086-azure
current state: ready to kdump

kexec command:
  /sbin/kexec -p --command-line="BOOT_IMAGE=/boot/vmlinuz-5.4.0-1086-azure root=UUID=143c811b-9b9c-48f3-b0c8-040f6e65f50a ro console=tty1 console=ttyS0 earlyprintk=ttyS0 reset_devices systemd.unit=kdump-tools-dump.service nr_cpus=1 irqpoll nousb" --initrd=/var/lib/kdump/initrd.img /var/lib/kdump/vmlinuz

cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-5.4.0-1086-azure root=UUID=143c811b-9b9c-48f3-b0c8-040f6e65f50a ro console=tty1 console=ttyS0 earlyprintk=ttyS0 crashkernel=512M-:512M

sudo sysctl -w kernel.sysrq=1

# re-shell into into vm
cd /var/crash
rw-r----- 1 root root 17669 Aug 10 16:49 linux-image-5.4.0-1086-azure-202208101649.crash