Ultrix tape job is unkillable!

[Paul De Bra]

In article <43200057 at uicsrd.csrd.uiuc.edu> kai at uicsrd.csrd.uiuc.edu writes:
>...
>This problem is not specific to Ultrix.  I've found the exact same thing
>occurs on VAX BSD unix, Sequent Dynix, and Alliant Concentrix.  The only
>thing that seems to work is a reboot.  I warned everyone here that
>interrupting a tape job by putting the drive offline is a tremendous
>mistake.
>...

I have observed exactly the same behavior with Ultrix 2.0 on a Microvax II,
where puttinga TK-50 offline could only be recovered from by a reboot.

An identical machine with Unix 9Vr2 does not have this problem. So it clearly
is something in the Berkeley device driver.

Paul.
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