[Bug 1960190] [NEW] Blank screen seen while booting Ubuntu using Grub on Apple MacBook Pro 16 inch, 2019

[Aditya Garg]

Public bug reported:

On installing ubuntu 20.04 LTS on Apple MacBook Pro 16 inch, 2019, on
choosing ubuntu from the startup manager, a blank screen is obtained. If
we boot the kernels using rEFInd, then they get booted easily. Also, I
am not able to even boot into an Impish Indri ISO. A discussion of this
bug can be seen on https://github.com/marcosfad/mbp-ubuntu/issues/55

$ lsb_release -rd
Description:	Ubuntu 20.04.3 LTS
Release:	20.04

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: grub2 (not installed)
Uname: Linux 5.15.19-t2 x86_64
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Mon Feb  7 09:29:08 2022
SourcePackage: grub2
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: grub2 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug focal

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https://bugs.launchpad.net/bugs/1960190

Title:
  Blank screen seen while booting Ubuntu using Grub on Apple MacBook Pro
  16 inch, 2019

Status in grub2 package in Ubuntu:
  New

Bug description:
  On installing ubuntu 20.04 LTS on Apple MacBook Pro 16 inch, 2019, on
  choosing ubuntu from the startup manager, a blank screen is obtained.
  If we boot the kernels using rEFInd, then they get booted easily.
  Also, I am not able to even boot into an Impish Indri ISO. A
  discussion of this bug can be seen on
  https://github.com/marcosfad/mbp-ubuntu/issues/55

  $ lsb_release -rd
  Description:	Ubuntu 20.04.3 LTS
  Release:	20.04

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: grub2 (not installed)
  Uname: Linux 5.15.19-t2 x86_64
  ApportVersion: 2.20.11-0ubuntu27.21
  Architecture: amd64
  CasperMD5CheckResult: skip
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Feb  7 09:29:08 2022
  SourcePackage: grub2
  UpgradeStatus: No upgrade log present (probably fresh install)

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