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From: | Vyacheslav Gonakhchyan |
Subject: | Re: Grub2 chainloader bootmgfw.efi not working |
Date: | Mon, 14 Sep 2015 16:36:26 +0400 |
On Mon, Sep 14, 2015 at 2:36 PM, Vyacheslav Gonakhchyan
<address@hidden> wrote:
> Hi, everyone!
>
> I have dual boot config Archlinux/Windows7 and latest packages. I am booted
> into grub rescue mode. Or use command line. I want to tell Grub2 to load
> Windows Boot Loader bootmgfw.efi. Basically grub2 refuses to do it with
> error "invalid root device".
>
> Steps to reproduce:
>> set root=(hd1,gpt7)
>> chainloader /EFI/Microsoft/Boot/bootmgfw.efi
> Screen is flashing with "invalid root device".
>
Is your grub BIOS or EFI? What are values for grub_cpu and grub_platform?
echo $grub_cpu $grub_platform
> So grub2 finds bootmgfw.efi but cannot give it control. I tried every other
> hd1,gpt combination to no avail. I also tried setting root to one device
> and loading bootmgfw.efi from another device(hd1,gpt7).
> It's strange because I can load this file from shell (shellx64.efi) within
> UEFI BIOS without error. Any advice is appreciated.
>
> Regards,
> Viacheslav
>
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>
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