Daemons stuck in 'D' "short-term" wait state

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Article #11024

#11024

From: Dwight Ernest
Date: Sun, 19 Feb 1989 04:28

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In v7n148, Rob McMahon <cudcv%warwick.ac.uk@nss.cs.ucl.ac.uk> writes:

> ... a process which is stuck, reported by ps as in `D' "short
> term" wait, and has been for two days.
>                           ... Last time it happended, earlier
> in the week, all the nfsd's got stuck in this state,
> and the clients froze.

Same thing happened to us once, yesterday, (for the first time) while
running tops2d, the TOPS version 2 Sun daemon. Not killable.  Had to
reboot. Pain in the ***. All of our (Mac) clients froze too.

Do we have a generic problem? Details: SunOS 3.5, 3/60 with 8 MB, and an
excerpt from 'what tops2d' reveals:

	TOPS Version 2.0 11/12/87
	tops.c  1.23    11/12/87
etc...
		--Dwight Ernest
		  Technical Systems Coordinator
		  The Independent (Newspaper Publishing PLC)
		  40 City Road, London EC1Y 2DB
			  Phone: +44 1 956 1633
			  ...ukc!independent!dwight

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cornell!uw-beaver!rice!sun-spots-request
From: mcvax!independent!dwight@uunet.uu.net (Dwight Ernest)
Newsgroups: comp.sys.sun
Subject: Daemons stuck in 'D' "short-term" wait state
Message-ID: <8902101825.AA14994@independent.uucp>
Date: 19 Feb 89 04:28:58 GMT
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Original-Date: Fri, 10 Feb 89 18:25:58 GMT
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