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Doctor Drive

Member

From: Poland

Registered: 2010-08-11

Posts: 167

[Solvd]hd0,gpt1error: file /EFI/Microsoft/Boot/bootmgfw.efi' not found

I'm trying to configure GRUB2 to load Windows 8 on UEFI system.
os-prober does not detect it.
grub-mkconfig creates only for Linux (tried both with mounted and unmounted Windows partition).

So I went for manual entry.
I executed the following

$ mount /dev/sde1 /boot/efi/
$ grub-probe --target=fs_uuid /boot/efi/EFI/Microsoft/Boot/bootmgfw.efi
69DB-D2EB
# grub-probe --target=hints_string /boot/efi/EFI/Microsoft/Boot/bootmgfw.efi
--hint-bios=hd4,gpt1 --hint-efi=hd4,gpt1 --hint-baremetal=ahci4,gpt1

Created menuentry for /boot/grub/grub.cfg

menuentry "Microsoft Windows 8" {
    insmod part_gpt
    insmod fat
    insmod search_fs_uuid
    insmod chain
    search --fs-uuid --hint-bios=hd4,gpt1 --hint-efi=hd4,gpt1 --hint-baremetal=ahci4,gpt1 69DB-D2EB
    chainloader /EFI/Microsoft/Boot/bootmgfw.efi
}

And when I choose it it says

hd0,gpt1error: file /EFI/Microsoft/Boot/bootmgfw.efi' not found

Note that EFI partition is not mounted is fstab (does it make a difference for GRUB?).
Also, specifying

chainloader /boot/efi/EFI/Microsoft/Boot/bootmgfw.efi

Gives the same not found.
P.S. Windows "fast start" is disabled

Last edited by Doctor Drive (2013-09-29 09:57:25)

cfr

Member

From: Cymru

Registered: 2011-11-27

Posts: 7,156

Re: [Solvd]hd0,gpt1error: file /EFI/Microsoft/Boot/bootmgfw.efi' not found

I don't use Windows but I would try setting the root explicitly in the entry since it is apparently looking in the wrong place.

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the.ridikulus.rat

Member

From: Indiana, USA

Registered: 2011-10-04

Posts: 765

Re: [Solvd]hd0,gpt1error: file /EFI/Microsoft/Boot/bootmgfw.efi' not found

menuentry "Microsoft Windows 8" {
    insmod part_gpt
    insmod fat
    insmod search_fs_uuid
    insmod chain
    search --fs-uuid --hint-bios=hd4,gpt1 --hint-efi=hd4,gpt1 --hint-baremetal=ahci4,gpt1 69DB-D2EB
    chainloader /EFI/Microsoft/Boot/bootmgfw.efi
}

You need to explicitely mention "--set=root" in the search line for this to work. This is not assumed by GRUB.

search --fs-uuid --set=root --hint-bios=hd4,gpt1 --hint-efi=hd4,gpt1 --hint-baremetal=ahci4,gpt1 69DB-D2EB

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Doctor Drive

Member

From: Poland

Registered: 2010-08-11

Posts: 167

Re: [Solvd]hd0,gpt1error: file /EFI/Microsoft/Boot/bootmgfw.efi' not found

Thank you, the.ridikulus.rat.
I just booted back from windows to tell the same.
I just found the solution here

http://unix.stackexchange.com/questions … th-windows

I was configuring according to the ArchWiki.
The ArchWiki was missing that point.
https://wiki.archlinux.org/index.php/GR … I-GPT_Mode

it said

menuentry "Microsoft Windows Vista/7/8 x86_64 UEFI-GPT" {
   insmod part_gpt
   insmod fat
   insmod search_fs_uuid
   insmod chain
   search --fs-uuid $hints_string $uuid
   chainloader /EFI/Microsoft/Boot/bootmgfw.efi
 }

Just edited the wiki. Thanks!

the.ridikulus.rat

Member

From: Indiana, USA

Registered: 2011-10-04

Posts: 765

Re: [Solvd]hd0,gpt1error: file /EFI/Microsoft/Boot/bootmgfw.efi' not found

Thank you, the.ridikulus.rat.
I just booted back from windows to tell the same.
I just found the solution here

http://unix.stackexchange.com/questions … th-windows

I was configuring according to the ArchWiki.
The ArchWiki was missing that point.
https://wiki.archlinux.org/index.php/GR … I-GPT_Mode

it said

menuentry "Microsoft Windows Vista/7/8 x86_64 UEFI-GPT" {
   insmod part_gpt
   insmod fat
   insmod search_fs_uuid
   insmod chain
   search --fs-uuid $hints_string $uuid
   chainloader /EFI/Microsoft/Boot/bootmgfw.efi
 }

Just edited the wiki. Thanks!

I initially wrote that section of the wiki (with "--set=root" included), but someone had changed it recently ( https://wiki.archlinux.org/index.php?ti … did=276742 ).

Last edited by the.ridikulus.rat (2013-09-29 10:02:48)

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