Anno domini 2020 Sat, 13 Jun 10:53:51 +0200
J. Fahrner via Dng scripsit:
> Am 2020-06-13 10:31, schrieb richard lucassen:
> > The nofail means that it wil mount automatically, but if the disk
> > is absent it won't give errors. But it does not wait for the device!
>
> The disk has itś own power supply and is always connected. I think there
> is something missing at the boot stage (driver?).
>
> > ok, I assume it's u-boot? In that case you can easily try to boot from
> > another disk. But apparently you do not have access to the device?
>
> I don't know the boot process. I think it's like a Raspberry Pi. There
> is a little FAT partion and a EXT4 root partition on emmc. Since it is
> headless, I only can access it through ssh. When it does not boot I have
> to open it, remove the emmc card, insert it into an adapter and reverse
> my changes on pc.This is very elaborate. So I need a straightforward
> method to isolate the problem.

Don't you have access to a serial port on the device so that you can observe the boot process? Maybe it's stuck at the bootloader stage.

Nik

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