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

On Sat 15 Apr 2017 at 13:08:30 -0500, Richard Owlett wrote:

> On 04/15/2017 12:24 PM, Brian wrote:
> >
> >Did you overlook this question? You have said your machine does not
> >offer booting from an SD card. Your answer will be interesting.
> Thought I'd answered it elsewhere.

Nope. There has been no mention of booting *directly* *from* the SD card
until this subthread.

> It's on the menu that exists due to the grub on MBR of /dev/sda .

So - the card is in its slot on your machine. You do 'update-grub'.
There is now an entry in GRUB's menu. That is fine. This is what you are
booting from? Your grub.cfg looks similar to what you posted before?

If GRUB has been installed to the MBR of the SD card it has absolutely
no bearing on the existence of the entry in GRUB's menu. It may as well
not be there when GRUB on the MBR of /dev/sda constructs its grub.cfg.

> There is an fschk error of some sort that flies by too fast.
> Otherwise, runs from SD card.

I like "simple"; I'm lost.