> I have a MicroVAX running NetBSD 1.3.2. KA650, 32MB, DEQNA, TK50. I used
> this system to write the two TK50 files needed to install a fresh system
> to a tape.  The writing succeeded.  But when I tried to unmount the tape 
> with the  'mt -f /dev/rmt8 rewoffl'  command,  the message 'mt0: unknown
> opcode 0x88 status 0x0 ignored'  appeared and the console prompt did not
> return,  and all keystrokes were just echoed to the screen without being
> executed. All I could do was press the halt button.
> 
> Am I having  a hardware problem,  or has someone else also had this tape
> unmounting problem?
> 
This is a software bug; I fixed it a couple of months ago. All different
TMSCP controllers return different responses, and I haven't been able
to track them all down yet :-)

-- Ragge