10.2 to 10.3 upgrade: Mounting from ufs:/dev/ada0p3.eli failed with error 19.

[Bernt Hansson]

On 2017-03-23 22:07, zhaghzhagh at openmailbox.org wrote:
> Hello
>
> While upgrading my root file-system encrypted FreeBSD 10.2 I ended up 
> with a system not being able to boot. The error message is:
>
> ...
> Mounting from ufs:/dev/ada0p3.eli failed with error 19.
> ...
>
> Earlier in the boot process:
>
> ...
> /boot/kernel/kernel text=0xf7a155 data=0xdb810+0x160f88 
> syms=[0x4+0xd7fd0+0x4+0x15f114]
> /boot/kernel/geom_eli.ko text=0x107cc data=0x4d8+0x134 
> syms=[0x4+0x1260+0x4+0x16c1]
> /loading required module 'crypto'
> /boot/kernel/crypto.ko text=0x20354 data=0x824+0x248 
> syms=[0x4+0x1ba0+0x4+0x21fc]
> loading required module 'kernel'
> ---> module 'kernel' exists but with wrong version

> ---> FreeBSD 10.2-RELEASE-p18 #0: Sat May 28 07:06:45 UTC 2016

Your kernel and userland is out of sync. Either you have a 10.3 kernel 
and 10.2 userland
or the other way around 10.2 kernel and 10.3 userland. Well they are out 
of sync anyway.