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Re: Possibly erroneous "device not present" message during boot

On 04/14/2017 01:19 PM, Brian wrote:

 2. I only install Grub the *first* time I do a Debian install.
    By poor design Grub puts the current install first on menu.
    When experimenting with configuration as I do, the least
    likely install to be functional is the latest.
    This requires me to run update-grub on the "good" install.

That's ok. I tend to be more promiscuous; usually on a whim, like
wanting to put a particular entry at the top of GRUB's menu list.

When you do 'update-grub' do you still get no "set root=" line for the
SD card in the grub.cfg?

I don't know how many times I've *MIS*read that last sentence ;<
Mentally I was correcting non-existent typos, thus totally garbling it.
I just spent several hours wandering thru grub files and loosely related documentation.
I've ended up at
which says "Currently autogenerating config files for multi-boot environments depends on os-prober and has several shortcomings. ..." I also discovered there that placing a customized grub in its own partition is not only possible, but recommended in some situations. I had read somewhere that that option had expired with grub-legacy. That, although taking much time to understand, will solve a *MESS* of grub problems for me ;/