I have the same issue, but "d-i preseed/early_command string umount /media || true" doesn't let it bypass the issue. I still see the partition, in my case /dev/sda2, is mounted.
Is there any other way to workaround?
I have the same issue, but "d-i preseed/ early_command string umount /media || true" doesn't let it bypass the issue. I still see the partition, in my case /dev/sda2, is mounted.
Is there any other way to workaround?