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Re: Debian 10 grub error: no such device

Le 02/03/2019 à 15:35, Igor Kovalchuk a écrit :

This week, on 26 Feb
I did apt-get upgrade and
apt-get dist-upgrade
then it displayed me a blue window with a prompt to install grub, because
it can't find it. I pressed 'cancel', because I was a bit wonder.
My previous successful upgrade was 8 Jan 2019.

Is this a known issue? Why it doesn't see my device?

When was the previous upgrade ?
In January there was a regression in udev which messed symlink names generated in /dev/disk/by-id/, which are used to identify which device GRUB was installed on. But the regression has been fixed since then.

Now I have in grub-emu:

error: no such device: dff08b74-3e1a-46b2-aef7-d1c77b14d098.
Loading Linux 4.19.0-2-amd64 ...
error: can't find command `linux'.
Loading initial ramdisk ...
error: can't find command `initrd'.

Press any key to continue...

   Failed to boot both default and fallback entries.

Did you run grub-emu as root ? I get the same error message if I run it as a standard user.