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

[RK]

There is a NX problem indeed. You were right from the start :)

efibootmgr -v output from shell:

BootCurrent: 0000
Timeout: 1 seconds
BootOrder: 0000,0003
Boot0000* Ubuntu	HD(1,GPT,64038958-7a20-4179-88a7-e67f851bfaa4,0x800,0x100000)/File(\EFI\UBUNTU\SHIMX64.EFI)
      dp: 04 01 2a 00 01 00 00 00 00 08 00 00 00 00 00 00 00 00 10 00 00 00 00 00 58 89 03 64 20 7a 79 41 88 a7 e6 7f 85 1b fa a4 02 02 / 04 04 34 00 5c 00 45 00 46 00 49 00 5c 00 55 00 42 00 55 00 4e 00 54 00 55 00 5c 00 53 00 48 00 49 00 4d 00 58 00 36 00 34 00 2e 00 45 00 46 00 49 00 00 00 / 7f ff 04 00
Boot0003* Windows Boot Manager	HD(1,GPT,64038958-7a20-4179-88a7-e67f851bfaa4,0x800,0x100000)/File(\EFI\MICROSOFT\BOOT\BOOTMGFW.EFI)0000424f
      dp: 04 01 2a 00 01 00 00 00 00 08 00 00 00 00 00 00 00 00 10 00 00 00 00 00 58 89 03 64 20 7a 79 41 88 a7 e6 7f 85 1b fa a4 02 02 / 04 04 46 00 5c 00 45 00 46 00 49 00 5c 00 4d 00 49 00 43 00 52 00 4f 00 53 00 4f 00 46 00 54 00 5c 00 42 00 4f 00 4f 00 54 00 5c 00 42 00 4f 00 4f 00 54 00 4d 00 47 00 46 00 57 00 2e 00 45 00 46 00 49 00 00 00 / 7f ff 04 00
    data: 00 00 42 4f


** Attachment added: "Debug output when booting w10."
   https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/2078307/+attachment/5826593/+files/PXL_20241009_180946305.jpg

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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 cd-boot-images-amd64 package in Ubuntu:
  Fix Released
Status in cd-boot-images-arm64 package in Ubuntu:
  Fix Released
Status in cd-boot-images-ppc64el package in Ubuntu:
  Fix Released
Status in cd-boot-images-riscv64 package in Ubuntu:
  Fix Released
Status in grub2 package in Ubuntu:
  Fix Released

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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