Re: GRUB not showing content of "/etc/grub.d/30_os-prober", but grub.cfg has it

[Andrei Borzenkov]

11.01.2025 13:44, Kid Walker via Support requests for the GRand Unified 
Bootloader wrote:
> Hi there!
>
> I have just installed Lubuntu 24.04.1 LTS (Noble Numbat) on my HP8440p 
> alongside Void, Slackware 15.0 and an older install of the same version of 
> Lubuntu.
>
> Grub was installed through a chroot of the newer Lubuntu, from Lubuntus live 
> usb.
>
> os-prober is enabled in /etc/default/grub (below) and I did run
> upgrade-grub
>
> grub.cfg has entries for void, but no entries for Slackware and the older 
> lubuntu (sda1), which does not surprise me in the case of Slackware as this has 
> happened with Slackware under Grub installed by other distros in other machines 
> too.
>
> But when I start the machine Void and the lubuntu in sda1, and of course 
> Slackware do not appear in the grub menu.

And what does appear? Are these the only missing menu entries?