Robert covered this last month search list
On 2/23/2018 8:14 AM, Dennis Lee Bieber wrote:
> On Fri, 23 Feb 2018 03:27:35 -0800 (PST),
> mich.ge...@gmail.com declaimed the following:
>> I installed the following image on a BBB version 5AC:
>> *microSD/Standalone: (stretch-iot) (All BeagleBone Variants & PocketBeagle)
>> The problem is that it has to be repeated (button pushed) after a power
>> outage (in case of a clean shutdown (UPS) after power outage), Otherwise
>> the BBB doesn't simply boot up. That can be a problem in case of remote
>> installation. I don't see any warning in the wiki about this behavior
>> It may be a hardware problem on my rather old BBB ver 5AC. Does anybody
>> encountered the same issue ?
> More likely, it is an antique image on the eMMC.
> I believe it was only about a year or so ago that images were
> configured so that the eMMC boot-loader would look at and boot an installed
> SD card without needing the boot button.
> Second, newer images are expecting u-Boot device tree (overlay)
> handling, whereas the older images put-off device tree overlay handling
> until Linux had booted.
> You will probably need to obtain a 2GB image (I presume the "5AC" in
> your subject meant "A5C" version), verify that boots from SD card (using
> the button), convert to flasher image, flash the eMMC, remove SD card and
> verify unit boots from eMMC.
> THEN install your 4GB SD card image and see if the board now detects
> and boots from it without holding down the button.
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