os-prober is disabled in grub 2.06 and where to go from here
steve.langasek at ubuntu.com
Wed May 4 11:11:41 UTC 2022
On Tue, May 03, 2022 at 10:04:45PM -0700, Valorie Zimmerman wrote:
> 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.
os-prober was used to locate other operating systems installed on your disks
and add them to the grub menu as additional options. So I am unclear how
this could make Kubuntu unbootable. Please file a bug with 'ubuntu-bug
grub-common' so that we can investigate.
> 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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Steve Langasek Give me a lever long enough and a Free OS
Debian Developer to set it on, and I can move the world.
Ubuntu Developer https://www.debian.org/
slangasek at ubuntu.com vorlon at debian.org
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