Shibby's v121-extras :Unknown symbol errors

Using Shibby' s latest K26RT-N/build5x-121-EN/extras-mips2.tar.gz
and with Entware when I try to do load extra sound related modules:

insmod /opt/extras/soundcore
insmod /opt/extras/snd
insmod /opt/extras/snd-hwdep
insmod /opt/extras/snd-page-alloc
insmod /opt/extras/snd-timer
insmod /opt/extras/snd-pcm
insmod /opt/extras/snd-seq-device
insmod /opt/extras/snd-seq
insmod /opt/extras/snd-rawmidi
insmod /opt/extras/snd-seq-midi-event
insmod /opt/extras/snd-seq-midi
insmod...

Shibby's v121-extras :Unknown symbol errors