@macsociety

There's a known problem with the default Boot partition size which causes the 'broken partition' problem in OSX. To fix it you've got to:

a) Run Mounter and mount the Boot: HFS partition
b) Copy all files somewhere, could be RAM:
c) Unmount the partition
d) Run HDConfig and make the partition *exactly* 1MB smaller
e) Mount it again
f) Format the partition from the Ambient menu, make sure to name it Boot
g) Copy all files back to it
h) Open a new shell and bless the partition with
Code:

If you've read the dualboot.pdf it should be fairly easy to do all these actions since it mentions the applications needed to do this.