Re: Can mount the Hurd partition, but not boot

[M. Gerards]

>      Booting 'GNU/Hurd K3'
> root (hd1,0)
> Error 25 Disk read error
> 
> Does that help?

This looks like you are using the wrong disk/partition in grub to me.

Please go to the grub console and type:
root=(hd0,<TAB>

This will show the list of partitions and you can check here if they can be 
found
and if you selected the right partition.

--
Marco