[Bug 2073634] Re: [SRU] Enable suppression of /EndEntire message

[Andy Whitcroft]

Hello Lauren, or anyone else affected,

Accepted grub2-unsigned into focal-proposed. The package will build now
and be available at
https://launchpad.net/ubuntu/+source/grub2-unsigned/2.06-2ubuntu14.6 in
a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
focal to verification-done-focal. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-focal. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Tags added: verification-needed-focal

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https://bugs.launchpad.net/bugs/2073634

Title:
  [SRU] Enable suppression of /EndEntire message

Status in OEM Priority Project:
  New
Status in grub2 package in Ubuntu:
  Fix Released
Status in grub2 source package in Focal:
  Confirmed
Status in grub2 source package in Jammy:
  Confirmed
Status in grub2 source package in Noble:
  Fix Committed
Status in grub2 source package in Oracular:
  Fix Released

Bug description:
  [ Impact ]

   * Many Ubuntu Core customers require a boot sequence that displays a
  custom splash image up until ubuntu-frame loads. Unfortunately, GRUB
  interrupts this process, printing two "/EndEntire" messages to the
  display.

   * Ideally, this should be able to be suppressed via configuration, at
  least on devices running Ubuntu Core, as it likely desirable behavior
  on Classic systems.

   * The message only happens with Ubuntu Core, because Ubuntu Core is
  using chainloader of GRUB to load the kernel EFI image.

  [ Test Plan ]

   * Boot a Ubuntu Core image on an AMD64 device with UEFI support

   * During the boot process, check if the console shows "/EndEntire"
  and "file path: /ACPI..."

   * Test that the re-built GRUB doesn't cause any boot regressions either when
     booting from disk or network.

  [ Where problems could occur ]

   * Removing or suppressing the messages is unlikely to cause any
  regression.

   * Rebuilding and updating the bootloader always has unforeseen regression
     potential, but the appropriate testing should be performed to mitigate
     this as much as possible.

  [ Other Info ]

   * None

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