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Re: grub-install to /dev/nvme0n1 problem

From: Pascal Hambourg
Subject: Re: grub-install to /dev/nvme0n1 problem
Date: Thu, 8 Mar 2018 21:42:52 +0100
User-agent: Mozilla/5.0 (X11; Linux i686; rv:52.0) Gecko/20100101 Thunderbird/52.6.0

Le 07/03/2018 à 16:11, jzb a écrit :
I'm trying to install grub into an NVMe unit and its not quite succeeding:

grub-install --target=x86_64-efi --boot-directory=/boot --efi-directory=/boot
--bootloader-id=GRUB /dev/nvme0n1

Installing for x86_64-efi platform.
GUID Partition Table Header signature is wrong: 41615252 != 5452415020494645
GUID Partition Table Header signature is wrong: 0 != 5452415020494645

I have seen these messages when installing GRUB EFI on an MSDOS/MBR (not GPT) disk. They are obviously bogus, as an MSDOS partition table is not supposed to a have GPT signature.

But then, on reboot, there's some error about the disk, and it drops into the
grub-rescue prompt.

What is the exact and complete error message ?
What does "ls" and "set" report ?

 /boot was mounted from /dev/nvme0n1p1 which is FAT32.  On
inspection, everything looks okay in /boot after the install.

Don't tell us. Show us.

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