[Bug 1790586] Re: The proposed grub package in Trusty / Bionic overrides the boot order on a MaaS deployed system

[Po-Hsu Lin]

>From this point I don't think this is a dup as I can see the "ubuntu"
entry for both of the AMD Naples amd64 server and the TunderX arm64
server, with Bionic:

efibootmgr output after they have been deployed:
ubuntu at wright-kernel:~$ sudo efibootmgr
BootCurrent: 0002
Timeout: 10 seconds
BootOrder: 0002,0003,0004,0000,0001
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

ubuntu at lodygin:~$ sudo efibootmgr 
BootCurrent: 0002
Timeout: 1 seconds
BootOrder: 0002,0000,0003,0004
Boot0000* ubuntu
Boot0002* UEFI: IP4 Intel(R) Gigabit CT Desktop Adapter
Boot0003* UEFI: Built-in EFI Shell
Boot0004* Hard Drive

The only difference is that the grub package from proposed will change
the boot order only on the AMD server:

ubuntu at lodygin:~$ sudo efibootmgr 
BootCurrent: 0002
Timeout: 1 seconds
BootOrder: 0000,0002,0003,0004
Boot0000* ubuntu
Boot0002* UEFI: IP4 Intel(R) Gigabit CT Desktop Adapter
Boot0003* UEFI: Built-in EFI Shell
Boot0004* Hard Drive

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https://bugs.launchpad.net/bugs/1790586

Title:
  The proposed grub package in Trusty / Bionic overrides the boot order
  on a MaaS deployed system

Status in grub2 package in Ubuntu:
  New
Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Similar to bug 1642298, bug 1750732 and bug 1788539

  This issue was only spotted on ThunderX Cavium ARM64 system and an AMD
  Naples amd64 server in this SRU cycle.

  Steps:
  1. Deploy the ThunderX system with Trusty + T-LTS 4.4 kernel (It works fine with just Trusty, however this was tested on the AMD Naples, not ThunderX since it does not support 3.13 kernel)
  2. Check the efibootmgr output
  3. Enable proposed, install grub-common
  4. Check efibootmgr again

  Result:
  In step 2, the boot order is correct:
  ubuntu at wright-kernel:~$ sudo efibootmgr
  BootCurrent: 0002
  Timeout: 10 seconds
  BootOrder: 0002,0000,0003,0004,0001
  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

  But in step 4, the boot order will be overridden:
  ubuntu at wright-kernel:~$ sudo efibootmgr
  BootCurrent: 0002
  Timeout: 10 seconds
  BootOrder: 0000,0002,0003,0004,0001
  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

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: grub-common 2.02~beta2-9ubuntu1.15
  ProcVersionSignature: User Name 4.4.0-134.160~14.04.1-generic 4.4.140
  Uname: Linux 4.4.0-134-generic aarch64
  ApportVersion: 2.14.1-0ubuntu3.29
  Architecture: arm64
  Date: Tue Sep  4 07:45:19 2018
  SourcePackage: grub2
  UpgradeStatus: No upgrade log present (probably fresh install)

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