FAI 5.1.2 grub problem

[Steffen Grunewald]

On Mon, 2016-08-01 at 13:16:58 +0300, "Hannu T. Pysäys" wrote:
> Hi, 
> 
> 
> I have a grub problem (Debian 8.5 / FAI 5.1.2) , GRUB_PC always fails with following code:
> 
> GRUB_PC/10-setup     FAILED with exit code 1.
> Can you provide me pointers where to start look this issue? 

What about adding a "-x" option to the shebang line? That should provide you
with a better idea of which step went wrong in that script.
Are you - by any chance - running a hardware RAID?

Cheers,
- Steffen