On Thu, May 31, 2018 at 12:09:45PM -0500, Chris Adams wrote:
> Once upon a time, Hans de Goede <hdego...@redhat.com> said:
> > On 31-05-18 15:08, Chris Adams wrote:
> > >Once upon a time, Hans de Goede <hdego...@redhat.com> said:
> > >>And for F30, single OS install we get:
> > >>
> > >>1) grub menu not shown, 0 second timeout, no way to get to the menu
> > >>2) grub menu shown with 5 sec timeout after a failed boot
> > >
> > >If I know I want the menu (say I need to boot single-user to fix
> > >something), how would I do that in this setup?
> > 
> > Hopefully what ever you want to fix will count as a "failed boot"
> > if it requires single user mode.
> 
> Hmm... not really.  For example (just off the top of my head): lost root
> password.  Without it, you won't be able to set any "next boot is
> special" option, so resetting root's password would now require rescue
> media.
> 
> I'd say I'm against this part of your proposal.  I understand the
> reasoning, but it just seems like too much restriction to shave off a
> small amount of time.  You mentioned it "could take several seconds" for
> EFI to initialize USB, but what is the normal time, for a typical
> desktop or notebook with just a keyboard and mouse attached?

I agree.  Another use case is that failed graphics initialization may
not count as "failed boot". 
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