failing to boot root on lvm on raid (solved)

[djdunn]

trying to use genkernel with --mdadm --lvm --luks put the right things into grub.conf

i get

mdadm: failed to RUN_ARRAY /dev/md/livecd:126: invalid argument
mdadm: /dev/md/livecd:126 exists - ignoring
mdadm: failed to RUN_ARRAY /dev/md126: invalid argument

edit:

ok so what happened was i forgot to include raid10 in my kernel
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