[Bug 2018621] Re: Packer QEMU Ubuntu 20.04 UEFI kernel install failed

[Dan Bungert]

Hi Christopher, thanks for the report.

    - {fstype: vfat, volume: partition-2, preserve: false, type: format, id: format-11}
    - {device: format-11, path: /boot, type: mount, id: mount-11}
I ran some tests on this autoinstall and believe this is the problem.  Make /boot a different fstype, ext4 perhaps.

    - {device: disk-sda, id: partition-3, number: 3, flag: bios_grub, preserve: false, grub_device: true, type: partition, size: 512MB}
    - {fstype: vfat, volume: partition-3, preserve: false, type: format, id: format-12}
    - {device: format-12, path: /boot/efi, type: mount, id: mount-12}
I'm not sure what the bios_grub flag does on the ESP - it's needed for the BIOS compat partition and not needed on a ESP.  Seems harmless in testing but at best it does nothing.

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Title:
  Packer QEMU Ubuntu 20.04 UEFI kernel install failed

Status in subiquity package in Ubuntu:
  Invalid

Bug description:
  Using the following autoinstall configuration fails when trying to
  install the kernel and configuring the system. The partitions are
  getting created and grub is getting configured properly. I looked at
  the subiquity-server-debug logs and the error is

  `subiquity/Install/Install/curtin_install/cmd-install/cmd-
  install/stage-curthoks/builtin/cmd-curthooks/installing-kernel: FAIL:
  installing kernel`

  user-data:

  #cloud-config
  autoinstall:
    version: 1
    locale: en_US
    keyboard:
      layout: us
    timezone: UTC
    user-data:
      disable_root: false
    users:
      - name: ec2-user
        homedir: /home/ec2-user
        shell: /bin/bash
        sudo: ALL=(ALL) NOPASSWD:ALL
        lock-passwd: false
        password: <password>
        groups: users, admin
    identity:
      hostname: ubuntu
      username: ec2-user
      password: <password>
    ssh:
      install-server: yes
      allow-pw: yes
    early-commands:
      - sudo systemctl  stop ssh
      - sed -ie 's/eject -p/#eject -p/' /sbin/casper-stop
      - touch /run/casper-no-prompt
    packages:
      - qemu-guest-agent
    storage:
      grub:
        reorder_uefi: false
      config:
      - {ptable: gpt, grub_device: true, id: disk-sda, path: /dev/sda, type: disk, wipe: superblock-recursive, match: { "size": "largest" }}
      - {device: disk-sda, id: partition-1, number: 1, flag: bios_grub, size: 1MB, type: partition}
      - {device: disk-sda, id: partition-2, number: 2, wipe: superblock, flag: boot, preserve: false, grub_device: false, type: partition, size: 1000MB}
      - {fstype: vfat, volume: partition-2, preserve: false, type: format, id: format-11}
      # /boot/efi
      - {device: disk-sda, id: partition-3, number: 3, flag: bios_grub, preserve: false, grub_device: true, type: partition, size: 512MB}
      - {fstype: vfat, volume: partition-3, preserve: false, type: format, id: format-12}
      # Main Disk
      - {device: disk-sda, id: partition-4, number: 4, wipe: superblock, size: -1, flag: '', preserve: false, grub_device: false, type: partition}
      # LVM Group
      - {name: ubuntu-vg, devices: [partition-4], preserve: false, type: lvm_volgroup, id: lvm_volgroup-3}
      - {name: root, volgroup: lvm_volgroup-3, size: 35%, preserve: false, type: lvm_partition, id: lvm_partition-9}
      - {name: swap, volgroup: lvm_volgroup-3, size: 5%, preserve: false, type: lvm_partition, id: lvm_partition-10}
      # /
      - {fstype: xfs, volume: lvm_partition-9, preserve: false, type: format, id: format-10}
      # swap
      - {fstype: swap, volume: lvm_partition-10, preserve: false, type: format, id: format-13}
      - {device: format-13, path: '', type: mount, id: mount-13}
      # /tmp
      - {name: tmp, volgroup: lvm_volgroup-3, size: 10%, preserve: false, type: lvm_partition, id: lvm_partition-11}
      - {fstype: xfs, volume: lvm_partition-11, preserve: false, type: format, id: format-14}
      # /var
      - {name: var, volgroup: lvm_volgroup-3, size: 10%, preserve: false, type: lvm_partition, id: lvm_partition-12}
      - {fstype: xfs, volume: lvm_partition-12, preserve: false, type: format, id: format-15}
      # /var/tmp
      - {name: var_tmp, volgroup: lvm_volgroup-3, size: 5%, preserve: false, type: lvm_partition, id: lvm_partition-13}
      - {fstype: xfs, volume: lvm_partition-13, preserve: false, type: format, id: format-16}
      # /var/log
      - {name: log, volgroup: lvm_volgroup-3, size: 10%, preserve: false, type: lvm_partition, id: lvm_partition-14}
      - {fstype: xfs, volume: lvm_partition-14, preserve: false, type: format, id: format-17}
      # /var/log/audit
      - {name: audit, volgroup: lvm_volgroup-3, size: 10%, preserve: false, type: lvm_partition, id: lvm_partition-15}
      - {fstype: xfs, volume: lvm_partition-15, preserve: false, type: format, id: format-18}
      # /home
      - {name: home, volgroup: lvm_volgroup-3, size: 10%, preserve: false, type: lvm_partition, id: lvm_partition-16}
      - {fstype: xfs, volume: lvm_partition-16, preserve: false, type: format, id: format-19}

      - {device: format-10, path: /, type: mount, id: mount-21}
      - {device: format-11, path: /boot, type: mount, id: mount-11}
      - {device: format-12, path: /boot/efi, type: mount, id: mount-12}
      - {device: format-19, path: /home, type: mount, id: mount-19, options: 'nodev'}
      - {device: format-14, path: /tmp, type: mount, id: mount-14, options: 'nodev,nosuid,noexec'}
      - {device: format-15, path: /var, type: mount, id: mount-15}
      - {device: format-16, path: /var/tmp, type: mount, id: mount-16, options: 'nodev,nosuid,noexec'}
      - {device: format-17, path: /var/log, type: mount, id: mount-17}
      - {device: format-18, path: /var/log/audit, type: mount, id: mount-18}

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