Arch Linux

srd

Member

Registered: 2016-03-03

Posts: 3

Grub and NVMe device

Hi,
I'm trying to install arch on a new thinkpad that came with an NVMe storage device. I'm experiencing a problem very similar to the one discussed in https://bbs.archlinux.org/viewtopic.php?id=206324 , however my system is UEFI install.

I'm using the archlinux-2016.03.01-dual.iso installation medium, and am following the installation guide closely. The current grub that gets installed with pacman is 2.02beta2-6, and the bug report on grub regarding the nvme patches got closed, so I'm guessing they got included in the new release? (see https://bugs.archlinux.org/task/47447).
I've added the "nvme" module to /etc/mkinitcpio.conf as per https://wiki.archlinux.org/index.php/Mkinitcpio#MODULES.

However, trying to boot using the freshly installed grub instance, I get the error "no such device: <filesystem UUID>"
I've checked, the UUIDs, the one given in the error message matches the UUID of /boot, so the configuration of the boot partition at least is as expected.

My knowledge of the grub2 boot process is hazy at best (I miss the old lilo/grub1 times...). Are there any other "magic" switches to flip to get the current grub2 to work off of nvme devices?

Slithery

Administrator

From: Norfolk, UK

Registered: 2013-12-01

Posts: 5,776

Re: Grub and NVMe device

AFAIK the current version of grub shipped with Arch doesn't include support for NVMe...
https://wiki.archlinux.org/index.php/So … /NVMe#GRUB

Current solution - use a different bootloader.

Last edited by Slithery (2016-03-05 12:17:03)

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kumala

Member

Registered: 2016-03-11

Posts: 22

Re: Grub and NVMe device

I'm experiencing the same issue. Do you recommend another bootloader?
Or would it make sense to stick with grub and manually install a version that includes support for NVMe (if such a thing exists, haven't checked)?

Xabre

Member

From: Serbia

Registered: 2009-03-19

Posts: 755

Re: Grub and NVMe device

You can use grub-git. Arch has a stable version in repos, but git version has the fix for that issue, AFAIK.
I use systemd-boot, works for me, but it depends on your use case what will work for you.

kumala

Member

Registered: 2016-03-11

Posts: 22

Re: Grub and NVMe device

Thanks Xabre, I have just booted from the EFI shell manually. Since Arch is the only distro in this laptop I guess I don't really need a bootloader anyway.

ewaller

Administrator

From: Pasadena, CA

Registered: 2009-07-13

Posts: 20,242

Re: Grub and NVMe device

Thanks Xabre, I have just booted from the EFI shell manually. Since Arch is the only distro in this laptop I guess I don't really need a bootloader anyway.

Even if it were not the only distro you still don't need a boot loader with UEFI.

This system can boot Arch Linux, the EFI shell, or (rarely) Windows 10 directly from the EFI system

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