[Bug 2078307] Re: Grub 2.12 is unable to boot the Windows system using the chainloader /efi/Microsoft/Boot/bootmgfw.efi.

[haobinnan]

> Can you actually verify that this is the case with the _Ubuntu_ shim +
_Ubuntu_ GRUB build? As I said, it's not our job to support downstream
builds. The shim+GRUB+Windows all have to be 64-bit for this to work of
course.

I will use the ubuntu-24.04-desktop-amd64.iso system image to attempt
loading Windows 10's /efi/Microsoft/Boot/bootmgfw.efi. I'll get back to
you with the results later.

I can confirm that shim, grub, and Windows are all 64-bit.

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https://bugs.launchpad.net/bugs/2078307

Title:
  Grub 2.12 is unable to boot the Windows system using the chainloader
  /efi/Microsoft/Boot/bootmgfw.efi.

Status in grub2 package in Ubuntu:
  Invalid

Bug description:
  I am using Shim 15.8 in combination with GRUB2.12. One of the GRUB
  menu items, chainloader /efi/Microsoft/Boot/bootmgfw.efi, fails to
  boot, while it works correctly with GRUB2.06. Below is a screenshot of
  the error.

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