st0(ahc0:6:0): ILLEGAL REQUEST asc:20,0 Invalid command operation code
How-To-Repeat: use mt rewind
Matthew, did I understand you correct that you want to be assigned st(4) PRs?
This PR contains inadequate information to analyze the actual
problem, and the driver that emits this message is no longer
being actively supported. The driver (sa(4)) in 3.4 and later
is not likely to have the same problem.