For your testing here the default content of zipl.conf on a cloud-img KVM guest
$ cat /etc/zipl.conf # This has been modified by the cloud image build process [defaultboot] default=ubuntu [ubuntu] target = /boot image = /boot/vmlinuz parameters = root=LABEL=cloudimg-rootfs ramdisk = /boot/initrd.img -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1790788 Title: Customize 'crashkernel' parameter is not properly working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/makedumpfile/+bug/1790788/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs