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From: ken@rochester.UUCP
Newsgroups: comp.unix.questions
Subject: Re: Tu77 ate tape, then hung device.
Message-ID: <26297@rochester.ARPA>
Date: Mon, 23-Mar-87 23:53:53 EST
Article-I.D.: rocheste.26297
Posted: Mon Mar 23 23:53:53 1987
Date-Received: Wed, 25-Mar-87 05:49:08 EST
References: <5474@brl-adm.ARPA>
Reply-To: ken@rochester.UUCP (Ken Yap)
Organization: U of Rochester, CS Dept, Rochester, NY
Lines: 10

|My guess is that the process is sleeping at a priority greater (less than?)
|the magic constant PZERO. What that means is that I/O to `fast' devices
|like disks (and by extension tapes) are not interrupted by signals. I don't
|know if you can ^Z it either, so you just have to learn to put all your
|mt commands in background with `&'. Rewind seems to be an exception.

Yes that will prevent it from eating your login session, but it won't
prevent the tape drive from becoming unavailable.

	Ken