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

[Mate Kukri]

No, but if your shim does not enforce NX, like the Ubuntu shim, that is
fine.

The need to use a non-NX shim will remain to be the case until Windows
bootloader sets NX_COMPAT.

You need to boot Ubuntu shim (or another non-NX shim) -> Ubuntu GRUB ->
Windows and that will work. No other path will, because if shim isn't
present at all, NX is assumed to be enforced.

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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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