The first warning is solved by adding this to my preseed file:
d-i partman-auto-lvm/no_boot boolean true
The second warning occurs whether I try to boot from LVM or not. I have moved it into bug #964957.
The first warning is solved by adding this to my preseed file:
d-i partman- auto-lvm/ no_boot boolean true
The second warning occurs whether I try to boot from LVM or not. I have moved it into bug #964957.