Hi Eric,
Can you please check if the pvrsrvctl binary exists in the following locations:
/usr/local/bin/
and
/opt/gfxlibraries/gfx_rel_es8.x/
P.S. Actually please list the whole /opt/gfxlibraries/gfx_rel_es8.x/ folder.
Best regards,
Miroslav
/gfxlibraries/gfx_rel_es8.x