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Re: EFI NVMe Grub does not see any disk

From: Andrei Borzenkov
Subject: Re: EFI NVMe Grub does not see any disk
Date: Wed, 19 Apr 2017 20:15:56 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0

19.04.2017 14:47, Manuel Lauss пишет:
> Hello,
> I'm trying to get grub running on an EFI system which only has a NVMe disk.
> My problem is that when grub is launched by EFI (from the ESP), it
> does not see any disks at all,
> 'ls' just prints "(proc)" and nothing more.  Is there a way to get
> grub to recognize the disk
> the firmware has loaded it from?
> It's installed this way, /boot/efi is /dev/nvme0n1p2, which is the
> ESP. Version is 2.02_rc2
> grub-install --efi-directory=/boot/efi --no-nvram --target=x86_64-efi
> --compress=xz --themes="breeze" /dev/nvme0n1p2

GRUB relies on EFI for disk access and needs BlockIO protocol on device
so it can work with it. It may be that EFI NVMe driver on your system
does not implement it. Can you boot EFI shell on your system? This could
be used to verify what protocols are present for which device.

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