Am 2020-06-13 10:05, schrieb richard lucassen via Dng:
> That is why there is a rootwait option:
>

> rootwait        [KNL] Wait (indefinitely) for root device to show up.
> Useful for devices that are detected asynchronously (e.g. USB and MMC
> devices).

Thats exactly what I'm expecting, waiting indefinitely. The same as
mounting in fstab without nofail option.

I can't experiment here. If it does not boot I have to remove the emmc
card and undo the change on my pc.