[Bug 1719271] Re: grub package in xenial-proposed will change boot order for a MaaS deployed system

[Po-Hsu Lin]

** Also affects: maas
   Importance: Undecided
       Status: New

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Title:
  grub package in xenial-proposed will change boot order for a MaaS
  deployed system

Status in MAAS:
  New
Status in grub2 package in Ubuntu:
  New

Bug description:
  This issue was spotted on our Cavium ThunderX ARM64 nodes, with MAAS
  version: 2.2.2 (6099-g8751f91-0ubuntu1~16.04.1)

  Steps:
  1. Deploy Xenial on this ARM64 node with MaaS web UI
  2. Check the BIOS setting to make sure it's booting with PXE
  3. When it's been deployed, check the efibootmgr output:
  $ sudo efibootmgr 
  BootCurrent: 0002
  Timeout: 10 seconds
  BootOrder: 0004,0002,0003,0000,0001
  Boot0000* ubuntu
  Boot0001  UEFI: Built-in EFI Shell
  Boot0002* UEFI: IP4 Ethernet vNIC Controller 62:54:CA
  Boot0003* UEFI: IP4 Ethernet vNIC Controller 62:54:CB
  Boot0004* UEFI: IP4 Ethernet vNIC Controller 62:54:CC
  4. Enable -proposed pocket and upgrade grub2-common and related packages
  5. Check efibootmgr again:
  $ sudo efibootmgr
  BootCurrent: 0002
  Timeout: 10 seconds
  BootOrder: 0000,0004,0002,0003,0001
  Boot0000* ubuntu
  Boot0001  UEFI: Built-in EFI Shell
  Boot0002* UEFI: IP4 Ethernet vNIC Controller 62:54:CA
  Boot0003* UEFI: IP4 Ethernet vNIC Controller 62:54:CB
  Boot0004* UEFI: IP4 Ethernet vNIC Controller 62:54:CC

  You can see that the BootOrder has changed here.

  There is an old bug here: bug 1642298

  
  The upgraded grub package version (was 2.02~beta2-36ubuntu3.12 before the upgrade): 
  $ dpkg -l | grep grub
  ii  grub-common                      2.02~beta2-36ubuntu3.13                    arm64        GRand Unified Bootloader (common files)
  ii  grub-efi-arm64                   2.02~beta2-36ubuntu3.13                    arm64        GRand Unified Bootloader, version 2 (ARM64 UEFI version)
  ii  grub-efi-arm64-bin               2.02~beta2-36ubuntu3.13                    arm64        GRand Unified Bootloader, version 2 (ARM64 UEFI binaries)
  ii  grub-efi-arm64-signed            1.66.13+2.02~beta2-36ubuntu3.13            arm64        GRand Unified Bootloader, version 2 (EFI-ARM64 version, signed)
  ii  grub2-common                     2.02~beta2-36ubuntu3.13                    arm64        GRand Unified Bootloader (common files for version 2)

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: grub2-common 2.02~beta2-36ubuntu3.13
  ProcVersionSignature: User Name 4.4.0-96.119-generic 4.4.83
  Uname: Linux 4.4.0-96-generic aarch64
  ApportVersion: 2.20.1-0ubuntu2.10
  Architecture: arm64
  Date: Mon Sep 25 08:45:14 2017
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub2
  UpgradeStatus: No upgrade log present (probably fresh install)

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