os-prober is disabled in grub 2.06 and where to go from here

Valorie Zimmerman valorie.zimmerman at gmail.com
Wed May 4 05:04:45 UTC 2022

I'm not a developer, but I need to respond here that removal of os-prober
made my newish 22.04 Kubuntu install unbootable until the amazing System76
support team helped me test every other possibility and when it became
evident that it was the absence of os-prober causing the issue, to add it
back to the system.

If there is a bug report I would be happy to add my case to that bug.

Member, Kubuntu Council

On Tue, May 3, 2022 at 4:18 PM Gunnar Hjalmarsson <gunnarhj at ubuntu.com>

> On 2021-12-17 17:01, Julian Andres Klode wrote:
> > Hi ubuntu-devel,
> >
> > os-prober is disabled with the grub 2.06 upload, which is
> > obviously a bit controversial and the outcome is not
> > necessarily in the best interest of our users.
> My understanding is that the result from this discussion is this commit:
> https://git.launchpad.net/~ubuntu-core-dev/grub/+git/ubuntu/commit/?id=533c36f6
> I have no objection to that measure, but as someone who always have
> multiple installs in different partitions, I find that the information
> to users of new installs leaves a bit to be desired.
> I see this message:
> > Warning: os-prober will not be executed to detect other bootable
> > partitions.
> > Systems on them will not be added to the GRUB boot configuration.
> > Check GRUB_DISABLE_OS_PROBER documentation entry.
> Maybe I'm stupid, but TBH — and even if I'm aware of the upstream change
> — I don't understand which documentation it talks about. If others agree
> that it's not crystal clear, maybe we could improve the message a little?
> --
> Cheers,
> Gunnar Hjalmarsson
> https://launchpad.net/~gunnarhj
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http://about.me/valoriez - pronouns: she/her
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