> 
> >>>>b/3 mua0
> 2....
> ? 4B CTRLERR, MUA0
> ? 06 HLT INST
>      PC=00000E0A
> Error.
> >>>>
> 
> What does CTRLERR mean? A bad tk50 controller? VMS seems to see the
> tk50, it works as intended. Is anything wrong with copying
> on solaris? Byteorder?
> Any suggestions?
> 
This means that the tape doesn't look bootable to the built-in
VMB in your Microvax. Probably the sparc system couldn't do a write
to the tape that looked as your Microvax wanted. I have no idea 
about what to do about it.

-- Ragge