Path: utzoo!utgpu!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!rutgers!bellcore!faline!thumper!ulysses!andante!alice!debra
From: debra@alice.UUCP (Paul De Bra)
Newsgroups: comp.unix.wizards
Subject: Re: Ultrix tape job is unkillable!
Message-ID: <8555@alice.UUCP>
Date: 17 Dec 88 02:43:34 GMT
References: <476@larry.UUCP> <43200057@uicsrd.csrd.uiuc.edu>
Reply-To: debra@alice.UUCP ()
Organization: AT&T, Bell Labs
Lines: 20

In article <43200057@uicsrd.csrd.uiuc.edu> kai@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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