[Bug 2078307] Re: Grub 2.12 in Oracular is unable to boot Windows using chainloader

[Mate Kukri]

The patch for Windows chainloading is prepared and will be uploaded for
oracular beta, as this is a supported feature for Ubuntu installs and
unfortunately got broken by accident.

And yes the 32-bit EFI GRUB was clearly considered and discarded, no one
has cared about it for years. Most old devices we care about can boot in
BIOS mode, and newer ones (as in >=2013) can all boot in 64-bit EFI
mode. 32-bit EFI is a relic of 2006 Core Duo Macs,  ancient Bay Trail
tablets that no one uses or cares about.

If you can provide an actual patch of reasonable code quality that fixes
32-bit EFI mixed mode boot, I'll consider included it, otherwise
consider it completely abandoned and unmaintained, we might even stop
providing 32-bit EFI builds of GRUB.

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

Title:
  Grub 2.12 in Oracular is unable to boot Windows using chainloader

Status in grub2 package in Ubuntu:
  Confirmed

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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