Hi,
get the same problem by installation from a USB Stick on a HDD. Tried out with SATA and ATA, result the same.
What can be cause this problem?
The installation from CD works also not, I get not the GEOM error but the installation fails, becuase the installer cennot find anymore the HDD.
Other OS installation works without any problems.
I found out that in the bootblock menu I see ad0 (my Harddrive) and da0 (the USB Stick), both have the flag to install bootblock.
PD