Hello Klaus,

    KK> This may sound like a silly question, but do you have
      > the irframetty(4) line discipline compiled into your
      > kernel? (It's not mentioned in the sparc kernel
      > configs that are shipped.)

Thanks, it was a very helpful question.  I've copied the
irframetty line from an i386 config file and I'm building a
new kernel now.

- Andy Ball.